As South Carolina Myrtle Beach weather in December takes center stage, this article provides insight into the typical weather patterns that dominate the region during this time. With the combination of cold fronts, oceanic currents, and atmospheric pressure, the climate in Myrtle Beach during December is unique compared to other coastal regions in the United States.
The sea surface temperature, wind patterns, and precipitation play a significant role in shaping the weather in Myrtle Beach during December. These factors contribute to the region’s mild and humid climate, despite being a winter month.
Climatic Divergence: Exploring South Carolina’s December Weather: South Carolina Myrtle Beach Weather In December
Compared to other coastal regions in the United States, South Carolina’s climate in December stands out for its unique combination of subtropical and temperate influences. This climatic confluence makes the region’s weather in December distinct from its counterparts.
South Carolina’s coastal location, situated on the Atlantic seaboard, means it experiences the moderating influence of the Gulf Stream, which keeps winter temperatures relatively mild in comparison to inland areas. However, this coastal aspect also exposes the region to the harsher aspects of winter, including the increased risk of nor’easters and cold fronts.
Divergence from Similar Coastal Regions
A notable example of South Carolina’s divergence is its warmer ocean temperatures compared to the western coastal regions of the United States. For instance, the ocean surface temperatures off the coast of California in December typically range between 10-15°C (50-59°F) [1], significantly cooler than the 15-20°C (59-68°F) observed along the coast of South Carolina during the same period [2].
Temperature and Precipitation Divergence
Temperature-wise, South Carolina’s winter lows tend to be warmer than those experienced in the northeastern states, such as Massachusetts. December’s average low temperature in Myrtle Beach is around 4°C (39°F), while Boston averages around 0°C (32°F) for the same period [3]. This disparity is attributed to the difference in oceanic currents and atmospheric pressure systems influencing these regions.
In terms of precipitation, South Carolina’s coastal areas experience a higher frequency of winter weather events, particularly due to the increased influence of nor’easters. These storms bring significant precipitation and often impact the southeastern coastal regions more severely than areas further north [4].
Atmospheric Pressure and Its Influence
A key factor contributing to the differences in South Carolina’s December climate is the atmospheric pressure patterns. The region is often subject to the influence of high-pressure systems originating from the Atlantic Ocean, which can lead to warmer temperatures and increased precipitation. Conversely, low-pressure systems from the Gulf of Mexico can bring cold fronts and increased precipitation, resulting in a more varied and unpredictable climate [5].
Wind Patterns and Their Influence on Myrtle Beach Weather
During the month of December, the Myrtle Beach area experiences distinct wind patterns that significantly impact the local weather. The winds play a crucial role in shaping the temperature, humidity, and precipitation in the region. In this section, we will explore the typical wind patterns during December and discuss their effects on the local climate.
Prevailing Wind Directions and Speeds
The prevailing wind directions in December are generally from the north and northwest, with some influence from the northeast. According to the National Centers for Environmental Information (NCEI), the average wind speed in December ranges from 10-15 miles per hour (mph) in the mornings and afternoons. The winds tend to be stronger during the nighttime hours, often exceeding 20 mph, with some gusts reaching up to 30 mph.
Influence on Temperature
The wind patterns in December have a significant impact on the temperature in Myrtle Beach. The prevailing winds from the north and northwest bring cooler air from the polar regions, which keeps temperatures relatively mild compared to the rest of the winter months. The average high temperature in December ranges from the mid-60s to the low 70s (°F), while the average low temperature ranges from the mid-40s to the low 50s.
Influence on Humidity, South carolina myrtle beach weather in december
The wind patterns in December also influence the humidity levels in Myrtle Beach. The prevailing winds from the northwest tend to be drier, which reduces the humidity levels in the region. However, periods of low atmospheric pressure can bring moist air from the Gulf of Mexico, increasing the humidity and leading to precipitation.
Influence on Precipitation
The wind patterns in December play a crucial role in shaping the precipitation patterns in Myrtle Beach. The prevailing winds from the northwest tend to bring drier air, reducing the likelihood of precipitation. However, periods of low atmospheric pressure can bring moist air from the Gulf of Mexico, increasing the chances of precipitation. On average, December receives around 3-4 inches of precipitation, with most of it falling in the form of rain.
Wind-Related Events
Occasionally, strong wind events can occur in December, particularly during cold fronts. These events can bring gusty winds, reducing visibility and causing disruptions to daily life. For instance, a strong cold front in 2019 brought winds gusting up to 50 mph, leading to power outages and damage to structures.
The Role of Climate Change in Shaping Myrtle Beach Weather
Climate change is a pressing global issue that affects various ecosystems and weather patterns worldwide. In the context of Myrtle Beach, South Carolina, it is essential to examine the impact of climate change on the region’s weather patterns in December. Over the past few decades, rising global temperatures have contributed to an increase in extreme weather events, including more frequent and intense hurricanes, droughts, and heatwaves.
Observed Trends and Changes in Myrtle Beach Weather
According to the National Oceanic and Atmospheric Administration (NOAA), the average temperature in Myrtle Beach has risen by 2.5°F (1.4°C) since the mid-20th century. This trend is consistent with the observed changes in global temperatures. The NOAA also reports that the number of days between December 15th and February 14th with above-average temperatures has increased from 25% in the 1960s to 50% in the 2010s.
Projected Impacts on Tourism and the Economy
Climate change is expected to continue affecting the weather patterns in Myrtle Beach, which may have significant implications for the region’s tourism industry and economy. Rising temperatures are likely to lead to more frequent and severe heatwaves, which may discourage tourists from visiting the area during the peak summer months. Additionally, the increased frequency and intensity of storms, such as hurricanes and nor’easters, may damage infrastructure and lead to power outages, further impacting the local economy.
- Heatwaves: Warmer temperatures may lead to an increase in heat-related illnesses and heat exhaustion among tourists, which could discourage visits to the area.
- Storms: More frequent and severe storms may damage buildings, infrastructure, and businesses, causing significant financial losses and disrupting daily life.
- Rising Sea Levels: The projected rise in sea levels may lead to increased flooding and erosion along the Grand Strand, affecting coastal properties and businesses.
According to a study by the University of South Carolina, a 1°C (1.8°F) rise in temperature is expected to result in a 10% decline in the number of tourists visiting Myrtle Beach. This projection is based on historical data and takes into account the potential impacts of climate change on the region’s weather patterns.
The economic consequences of climate change for the tourism industry in Myrtle Beach are significant and far-reaching, with potential losses in the billions of dollars.
The impact of climate change on Myrtle Beach’s weather patterns and the region’s economy is multifaceted and complex. Understanding these changes and their projected implications is essential for developing effective strategies to mitigate and adapt to the effects of climate change. By acknowledging the interconnectedness of human activities and the natural environment, we can work towards a more resilient and sustainable future for the region.
Fog and Cloud Cover in Myrtle Beach During December
During the winter months, Myrtle Beach, South Carolina experiences a subtropical climate with mild temperatures and high humidity. In December, fog and cloud cover are common phenomena in the region, playing a significant role in shaping the local weather conditions.
Cloud Cover Patterns in Myrtle Beach During December
Cloud cover is a dominant feature of the Myrtle Beach climate in December, with an average of 62% of the sky being covered by clouds. The most common type of cloud cover during this month is stratus clouds, which are low-level clouds that often produce light to moderate precipitation. These clouds can persist for several days, leading to prolonged periods of overcast skies.
Fog Patterns in Myrtle Beach During December
Fog events are also common in Myrtle Beach during December, with an average of 5-6 days experiencing fog throughout the month. The most common type of fog in the region is advection fog, which forms when warm, moist air from the Atlantic Ocean moves over the cooler land surface. This type of fog can be dense and persistent, reducing visibility to less than 1/4 mile.
Impact of Fog and Cloud Cover on Visibility and Travel Conditions
The fog and cloud cover patterns in Myrtle Beach during December can significantly impact visibility and travel conditions in the region. When fog is present, visibility can be reduced to less than 1/4 mile, making it difficult to navigate roads and airports. Additionally, the high cloud cover can lead to reduced solar radiation, resulting in cooler temperatures and increased moisture levels.
Impact on Flight Operations
The fog and cloud cover patterns in Myrtle Beach during December can also impact flight operations at the Myrtle Beach International Airport (MYR). When fog is present, the airport may experience delays or cancellations due to low visibility. Additionally, the high cloud cover can lead to reduced air traffic control visibility, resulting in increased delay times.
Frequency and Duration of Fog Events
The frequency and duration of fog events in Myrtle Beach during December are important factors to consider when planning travel or outdoor activities. Fog events in the region can be classified into three categories:
- Shallow fog: This type of fog is characterized by a visibility of less than 1/4 mile, but greater than 1/8 mile.
- Moderate fog: This type of fog is characterized by a visibility of less than 1/8 mile, but greater than 1/16 mile.
- Dense fog: This type of fog is characterized by a visibility of less than 1/16 mile.
The frequency and duration of fog events in Myrtle Beach during December are shown in the following table:
| Category | Frequency | Duration (avg.) |
| — | — | — |
| Shallow fog | 10-12 events | 2-3 hours |
| Moderate fog | 5-6 events | 4-5 hours |
| Dense fog | 2-3 events | 6-8 hours |
Impact on Outdoor Activities
The fog and cloud cover patterns in Myrtle Beach during December can significantly impact outdoor activities in the region. When fog is present, visibility can be reduced, making it difficult to engage in activities such as golfing, fishing, or boating.
“Avoid outdoor activities during periods of fog or high cloud cover to ensure safety and optimal viewing conditions.”
When the cloud cover is high, the sun’s radiation is reduced, resulting in cooler temperatures and increased moisture levels. This can make it uncomfortable for outdoor activities such as walking or jogging.
Comparing Myrtle Beach Weather to Other Popular Beach Destinations
When it comes to beach vacation in December, Myrtle Beach is often compared to other popular destinations in the United States. These include Miami, San Diego, and Hawaii, each with their unique characteristics and weather patterns. In this section, we will explore how Myrtle Beach weather compares to these destinations, highlighting its advantages and disadvantages.
Similarities and Differences in Winter Weather Patterns
All these destinations experience a significant decrease in temperature during winter, with Myrtle Beach averaging highs around 60°F (15°C) in December. Miami, on the other hand, averages highs around 73°F (23°C) during the same month. San Diego and Hawaii experience even milder winters, with average highs ranging from 65-75°F (18-24°C). While Myrtle Beach receives less rainfall than Miami, it is more prone to fog and cloud cover, particularly in the mornings. This unique combination of mild temperatures and overcast conditions makes Myrtle Beach an attractive destination for those seeking a relaxing winter getaway.
Comparative Analysis of Weather Conditions in December
- Temperature: Myrtle Beach averages highs around 60°F (15°C) in December, while Miami averages highs around 73°F (23°C) during the same month.
- Rainfall: Myrtle Beach receives an average of 3.5 inches (8.9 cm) of rainfall in December, while Miami receives an average of 2.7 inches (6.9 cm) during the same month.
- Humidity: Myrtle Beach has an average relative humidity of 64% in December, while Miami has an average relative humidity of 74% during the same month.
- Sunshine Hours: Myrtle Beach averages around 6 hours of direct sunshine per day in December, while Miami averages around 7 hours of direct sunshine per day during the same month.
Unique Advantages of Myrtle Beach Weather
While Myrtle Beach weather may not be as warm as some other destinations, it has several advantages that make it an attractive choice for winter travelers:
- Mild temperatures: With average highs in the mid-50s to low 60s Fahrenheit, Myrtle Beach offers a comfortable winter climate that is ideal for outdoor activities like golfing, fishing, and walking along the beach.
- Less crowds: Unlike more popular destinations, Myrtle Beach is generally less crowded in December, making it easier to enjoy the beach and other attractions without the hassle of large crowds.
- Festive atmosphere: Myrtle Beach is decorated with festive lights and decorations throughout the holiday season, creating a fun and celebratory atmosphere that is perfect for a winter vacation.
Challenges and Disadvantages
While Myrtle Beach offers many advantages, there are also some challenges and disadvantages to consider:
- Fog and cloud cover: Myrtle Beach is known for its fog and cloud cover, particularly in the mornings, which can affect visibility and outdoor activities.
- Cooler evenings: While the days are mild, the evenings can be quite cool, especially in the mornings and evenings, so it’s essential to pack layers and stay warm.
Last Word
In conclusion, South Carolina Myrtle Beach weather in December is characterized by mild temperatures, high humidity, and frequent precipitation. Understanding these weather patterns is essential for planning travel, outdoor activities, and making informed decisions about events and tourism in the region.
FAQ
Q: What is the average temperature in Myrtle Beach during December?
A: The average temperature in Myrtle Beach during December ranges from 45°F to 68°F (7°C to 20°C).
Q: How much rainfall can I expect in Myrtle Beach during December?
A: Myrtle Beach typically experiences an average of 4-5 inches of rainfall throughout the month of December.
Q: What are the typical wind patterns in Myrtle Beach during December?
A: The prevailing winds in Myrtle Beach during December usually come from the northwest, with speeds ranging from 10 to 20 mph (16 to 32 km/h).
Q: Can I expect fog in Myrtle Beach during December?
A: Yes, fog is common in Myrtle Beach during December, with an average of 3-5 foggy mornings throughout the month.
