Weather in Hawaii December is a topic that can make or break your holiday plans. Delving into the topic, this guide will cover temperature ranges, precipitation patterns, sunshine hours, ocean and sea conditions, weather-related events, holiday-season weather, and travel planning for a stress-free trip to Hawaii in December.
From the snow-capped mountains of Mauna Kea to the sun-kissed beaches of Kaanapali, Hawaii’s diverse landscape is a treasure trove of experiences that await your arrival. Yet, the weather in December poses unique challenges that can either make or break your trip. In this comprehensive guide, we will delve into the intricacies of Hawaii’s December weather, providing you with the knowledge and insights you need to plan your trip with confidence.
Temperature Ranges in Hawaii During December
Hawaii is a popular winter destination for those seeking warm weather and exciting vacation experiences. During December, the islands of Hawaii offer pleasant temperatures perfect for outdoor activities such as surfing, snorkeling, and hiking.
The temperature in December varies across different islands in Hawaii. On average, the high temperatures range from 78°F to 85°F (25°C to 30°C), while the low temperatures range from 62°F to 70°F (17°C to 21°C). The island of Oahu tends to have the highest average high temperature of 85°F (30°C), while the Big Island has the lowest average high temperature of 82°F (28°C).
Temperature Fluctuations and Outdoor Activities
The temperature fluctuations across the islands of Hawaii can significantly affect outdoor activities such as surfing, snorkeling, and hiking. On the island of Maui, the ocean temperature remains warm throughout December, making it an ideal location for snorkeling and surfing. However, the temperature on the Big Island can cause chilly mornings and evenings, which might make activities like hiking less comfortable.
Comparison of Temperature Trends between Northern and Southern Islands
There is a noticeable difference in temperature trends between the northern and southern islands of Hawaii. The northern islands, such as Oahu and Kauai, tend to be warmer than the southern islands, including Maui and the Big Island. The temperature differences are attributed to the trade winds, which bring warm, moist air from the southeast and cooler air from the northeast.
- The northern islands experience warmer temperatures due to the trade winds, which bring warm and moist air from the southeast.
- The southern islands, including Maui and the Big Island, tend to be cooler due to the influence of the cooler air from the northeast.
- The Big Island’s volcanic terrain contributes to the temperature variations, with the warmer temperatures on the Kona coast and cooler temperatures on the Hilo coast.
According to the National Oceanic and Atmospheric Administration (NOAA), December is one of the wettest months in Hawaii, with an average rainfall of 5-10 inches (13-25 cm) across the islands.
Precipitation Patterns in Hawaii During December: Weather In Hawaii December

Precipitation patterns in Hawaii during December can be quite varied, influenced by the presence of El Niño and La Niña events. These global climate phenomena have a significant impact on the weather patterns in the Hawaiian Islands. During December, the islands experience a mix of trade winds and cold fronts, resulting in moderate to heavy rainfall in some areas.
Impact of El Niño and La Niña Events on Precipitation in Hawaii
El Niño and La Niña events are critical factors to consider when understanding precipitation patterns in Hawaii during December. These events alter the atmospheric circulation patterns, which in turn affect the distribution of rainfall across the islands. Here’s a brief overview of their impact:
El Niño events tend to lead to drier and warmer conditions in Hawaii, as the trade winds are weaker and the high-pressure system is more pronounced. This results in reduced rainfall, making the period more favorable for tourist activities.
La Niña events, on the other hand, are typically associated with cooler and wetter conditions in Hawaii. The trade winds are stronger, and the low-pressure system is more pronounced, resulting in increased rainfall and enhanced tropical storm activity.
Rainiest Cities in Hawaii During December
Some areas in Hawaii receive significantly more rainfall during December compared to others. Here are 5 examples of rainiest cities in Hawaii during this month, along with their average rainfall amounts:
- Hilo, Hawaii Island: Hilo is known for receiving the most rainfall in the state, with an average of around 8-10 inches (20-25 cm) in December.
- Kailua-Kona, Hawaii Island: This area receives an average of 4-6 inches (10-15 cm) of rainfall in December, making it one of the wettest places in the state.
- Wailuku, Maui: Wailuku receives an average of 3-5 inches (7-13 cm) of rainfall in December, with some areas receiving significantly more.
- Lihue, Kauai: Lihue receives an average of 3-4 inches (7-10 cm) of rainfall in December, with the surrounding areas receiving more.
- Pahoa, Hawaii Island: Pahoa receives an average of 2-4 inches (5-10 cm) of rainfall in December, with some areas receiving significantly more.
Driest Cities in Hawaii During December
Some areas in Hawaii experience relatively dry conditions during December. Here are 5 examples of driest cities in Hawaii during this month, along with their average rainfall amounts:
- Kihei, Maui: Kihei receives an average of around 0.5-1.5 inches (1.3-3.8 cm) of rainfall in December, making it one of the driest places in the state.
- Kapaa, Kauai: Kapaa receives an average of around 1-2 inches (2.5-5 cm) of rainfall in December, with some areas receiving less.
- Wailea, Maui: Wailea receives an average of around 1-2 inches (2.5-5 cm) of rainfall in December, with the surrounding areas receiving more.
- Lanai City, Lanai: Lanai City receives an average of around 1-2 inches (2.5-5 cm) of rainfall in December, with some areas receiving less.
- Kalamaula, Hawaii Island: Kalamaula receives an average of around 0.5-1.5 inches (1.3-3.8 cm) of rainfall in December, making it one of the driest places in the state.
Impact of Precipitation on Tourist Activities and Road Conditions
Precipitation in Hawaii can significantly impact tourist activities and road conditions. Heavy rainfall can lead to:
– Landslides and flash flooding, making roads impassable.
– Reduced visibility, making it difficult to navigate roads.
– Increased risk of tropical storms, which can disrupt tourist activities.
Avoiding Road Hazards During Heavy Rainfall
To minimize the risks associated with heavy rainfall in Hawaii, tourists and locals alike should take the following precautions:
– Check weather forecasts and road conditions before heading out.
– Avoid traveling during heavy rainfall or flash flooding.
– Slow down or pull over in case of reduced visibility.
– Be cautious of standing water on roads, as it can hide potholes, oil slicks, or other hazards.
– Keep an emergency kit in the vehicle, including a flashlight, first aid kit, and snacks.
Sunshine Hours and Cloud Cover in Hawaii During December –
Hawaii’s tropical climate ensures that the islands experience plenty of sunshine throughout the year, with December being no exception. However, cloud cover can sometimes reduce the amount of sunshine, affecting outdoor activities and tourist experiences. In this section, we’ll explore the typical sunrise and sunset times in December across different islands of Hawaii, discuss how cloud cover affects the amount of sunshine hours, and share methods of predicting and tracking cloud cover for optimal outdoor planning.
Typical Sunrise and Sunset Times in December Across Different Islands of Hawaii
The Hawaiian Islands experience a range of sunrise and sunset times in December, varying from island to island due to their geographical location. Typically, the earliest sunrises occur on the Big Island, while the latest sunsets occur on the islands of Oahu and Maui. Here’s a breakdown of the typical sunrise and sunset times in December for each island:
- Big Island:
– Sunrise: around 7:30 AM
– Sunset: around 5:30 PM
Sunrise: around 7:45 AM
Sunset: around 5:45 PM
Hawaii’s diverse geography and climate result in a wide range of sunrise and sunset times. For this reason, Hawaii has become a popular destination for stargazers and astronomers. Many professional astronomy organizations and individuals visit the Big Island to study its unique starry night skies. - Oahu:
– Sunrise: around 7:05 AM
– Sunset: around 6:05 PM
With the sun often setting early, there is limited daylight on Oahu. In such cases, consider exploring places with nighttime attractions. Oahu is home to Waikiki’s vibrant nightlife, the famous ‘Iolani Palace, and the Honolulu Fish Auction, each providing unique experiences for visitors. - Maui:
– Sunrise: around 7:20 AM
– Sunset: around 6:20 PM
The tropical climate of Maui means it experiences plenty of sunshine throughout the day, allowing for countless opportunities for outdoor activities and relaxation. Popular destinations like Ka’anapali Beach, Lahaina town, the Road to Hana, and Haleakala Summit offer a range of breathtaking landscapes. - Kauai:
– Sunrise: around 7:40 AM
– Sunset: around 6:40 PM
Kauai’s lush green landscapes and serene atmosphere make it perfect for outdoor relaxation. Visitors enjoy various activities, including hiking, snorkeling, kayaking, and simply taking in the breathtaking views. - Lanai:
– Sunrise: around 7:30 AM
– Sunset: around 6:00 PM
Lanai, with its luxurious resorts and championship golf courses, offers a tranquil and high-end experience for tourists. - Molokai:
– Sunrise: around 7:10 AM
– Sunset: around 6:00 PM
Known for its untouched natural beauty, rustic charm, and outdoor activities, Molokai’s serene environment encourages relaxation.
Sunrise and sunset times are subject to slight variations due to factors such as time zone changes and Earth’s natural procession around the sun.
Cloud Cover Affects Sunshine Hours in December
Cloud cover in Hawaii is relatively low in December, resulting in an average of 7-8 hours of direct sunshine throughout the islands. However, cloudy days can occur, particularly on the islands of Kauai and Oahu, which experience higher levels of rainfall. These cloudy conditions result in reduced sunshine hours and potentially cooler temperatures.
A typical example of cloudy days occurs when a cold front passes through the islands from the northern Pacific. This can result in increased cloud cover and precipitation, particularly on the islands with higher elevations like Mauna Kea.
Tracking Cloud Cover for Optimal Outdoor Planning
To plan outdoor activities effectively, tourists can use various resources to track cloud cover in Hawaii.
Become informed about cloud conditions before heading outdoors by keeping an eye on local weather forecasts and websites that provide current conditions, as well as checking the radar images regularly.
Here are some methods for predicting and tracking cloud cover in Hawaii during December:
- Weather Apps and Websites: Utilize weather apps like Dark Sky Weather, The Weather Channel, or National Weather Service (NWS) websites to get the latest forecast and current conditions for each island. These resources provide detailed information about cloud cover, wind speed, temperature, and humidity levels.
- Local Observations: Engage with local communities, either in person or through online forums, to gather insights about current weather patterns and expected cloud cover. Islanders often share their personal experiences and observations about the weather, providing valuable information for tourists.
- Radar Images: Regularly check radar images provided by NWS or private weather services like Weather Underground to get a real-time view of cloud movement and precipitation.
These resources enable tourists to make informed decisions about planning outdoor activities, considering factors like sunshine hours, weather forecasts, and cloud cover, for a more enjoyable experience in Hawaii during December.
Notable Weather-Related Events in Hawaii During December
December is a relatively quiet month in terms of severe weather events in Hawaii, but it’s essential to be aware of the past notable weather-related incidents that occurred during this period. Understanding these events can help residents and visitors prepare for potential hazards and emergencies.
Historically, Hawaii has experienced significant weather-related events in December, including hurricanes, tsunamis, and volcanic activity. One of the most notable events was Hurricane Iwa in 1982, which brought strong winds, heavy rainfall, and coastal erosion to the islands. Although hurricanes are rare in Hawaii, it’s crucial to be prepared and follow emergency procedures in case of such an event.
Procedures to Follow in Case of Severe Weather Warnings or Watches
In the event of a severe weather warning or watch, it’s essential to follow the instructions of local authorities and emergency management officials. Here are some steps to take:
- Stay informed: Monitor local news, weather reports, and emergency alerts for the latest information on the weather situation.
- Prepare an emergency kit: Make sure you have a supply of essential items, such as non-perishable food, water, first aid supplies, and a battery-powered radio.
- Charge your devices: Charge your phone, laptop, and any other essential devices in case the power goes out.
- Stay indoors: Avoid traveling or venturing outdoors during severe weather conditions.
- Follow evacuation orders: If ordered to evacuate, do so promptly and follow the recommended evacuation route.
Emergency Contact Numbers and Resources
In case of an emergency, it’s essential to know who to contact and where to find help. Here are some emergency contact numbers and resources:
| Contact Number | Description |
|---|---|
| 911 | For emergency situations, such as life-threatening injuries or fires. |
| 1-808-935-0001 | State of Hawaii Emergency Management Agency, for emergency information and updates. |
| 1-808-723-3913 | Hawaii Department of Health, for information on weather-related health concerns. |
Travel Planning for Weather in Hawaii During December

December is a great time to visit Hawaii, with pleasant temperatures, fewer crowds, and a range of exciting outdoor activities. To make the most of your trip, it’s essential to research and prepare for specific weather conditions in different Hawaiian destinations.
When traveling to Hawaii in December, consider the unique weather patterns and characteristics of each island. The weather can be quite different from one island to another, so it’s crucial to plan accordingly. For example, Kauai’s weather is generally cooler and wetter than the other islands, while the Big Island’s weather is influenced by its tropical and temperate climates.
Researching and Preparing for Weather Conditions, Weather in hawaii december
To prepare for the weather in Hawaii during December, start by researching the typical weather patterns and conditions for your destination. Check the average high and low temperatures, as well as the expected rainfall and sunshine hours, for each island. You can also consult with locals, hotel staff, or tour operators for advice on the best times to visit each location.
Some essential tools for researching and preparing for weather in Hawaii include:
- Weather websites and apps, such as AccuWeather or The Weather Channel, which provide up-to-date weather forecasts and conditions.
- Travel guides and blogs, which offer insider tips and recommendations for visiting Hawaii during the holiday season.
- Local tour operators and outdoor adventure companies, which can provide valuable insights and tips on enjoying Hawaii’s activities and attractions in December.
Comparing and Contrasting Weather-Related Costs and Implications
When planning a trip to Hawaii during December, it’s essential to consider the potential weather-related costs and implications. Some activities and attractions may be affected by weather conditions, such as rain or strong winds, while others may be more enjoyable during specific weather conditions, like a clear and calm day.
Some potential costs and implications to consider include:
- Cancelations or changes in tour schedules due to inclement weather.
- Higher prices for activities and attractions that are more popular during the holiday season, such as helicopter tours or sunset cruises.
- Increased costs for accommodations, especially for luxury resorts or hotels that may be in high demand during the holiday season.
Essential Travel Tips and Safety Considerations
When visiting Hawaii during December, it’s crucial to prioritize your safety and well-being by following some essential travel tips and guidelines.
Some essential tips and considerations include:
- Checking the weather forecast regularly and planning your activities accordingly.
- Staying informed about local conditions, such as road closures or weather advisories.
- Wearing suitable clothing and gear for your activities, including rain gear and warm clothing for cooler evenings.
Additionally, be aware of potential safety concerns, such as:
- Increased risk of traffic accidents or congestion during the holiday season.
- Higher risk of sunburn or heat exhaustion due to increased sunshine hours during the holiday season.
Final Review

As you wrap up this guide, you’ll be well-equipped with the knowledge to navigate the weather in Hawaii December like a pro. Remember to stay informed, stay flexible, and prioritize your safety above all else. Whether you’re a seasoned traveler or a first-timer, the islands of Hawaii have so much to offer, and with this guide, you’ll be ready to make the most of your December adventure in paradise!
Key Questions Answered
Q: What is the average high temperature in Hawaii in December?
A: The average high temperature in Hawaii in December ranges from 78°F to 85°F (25°C to 30°C), depending on the island.
Q: Can I expect precipitation in Hawaii in December?
A: Yes, Hawaii experiences rainfall in December, with an average of 3-5 inches (76-127 mm) on the Big Island and 2-4 inches (51-102 mm) on Oahu.
Q: Are the beaches safe to visit in Hawaii in December?
A: Yes, beaches are generally safe to visit in Hawaii in December, but be mindful of strong currents and rough waves.
Q: What are some common weather-related events in Hawaii in December?
A: Hawaii is susceptible to hurricanes, tropical storms, and high surf, which can occur in December. Stay informed and follow local news for updates.
Q: Can I visit the volcanoes in Hawaii in December?
A: Some volcanoes, like Mauna Loa and Kilauea, are open year-round, but check with local authorities for guided tours and accessibility information.
Q: Are there any special events or festivals in Hawaii in December?
A: Yes, Hawaii celebrates several festivals in December, including the Honolulu City Lights, Hawaii Bowl, and Waikiki Christmas Parade.