Greece Weather in December is characterized by mild temperatures and minimal rainfall, making it an ideal time to visit the country’s beautiful islands and cities. The weather in Greece in December is quite stable, with average temperatures ranging from 8°C in the north to 16°C in the south.
The Mediterranean Sea plays a significant role in shaping the climate of Greece in December, with the coastal areas experiencing milder temperatures and more rainfall compared to the mainland. In fact, the coastal region of Crete averages 16°C in December, while the mainland city of Thessaloniki averages 8°C during the same period.
Exploring the Climate Trends in Greece During December: Greece Weather In December

Greece’s climate in December is characterized by mild winter weather, with temperatures gradually cooling down from the previous months. The country experiences a Mediterranean climate with distinct seasons, and December is one of the coolest months. The climate trends in Greece during December are influenced by its geographical location, with the country’s northern regions experiencing colder temperatures than the southern regions.
Temperature Fluctuations in Northern Greece
Thessaloniki, the second-largest city in Greece, experiences colder temperatures in December, with an average high temperature of around 9°C (48°F) and an average low temperature of around 2°C (36°F). The city’s proximity to the northern mountains contributes to its cooler climate, with occasional snowfall during the month. Thessaloniki’s temperature fluctuates significantly, with temperatures occasionally dropping below 0°C (32°F) and rising above 15°C (59°F).
- The average temperature in Thessaloniki in December is around 5.5°C (41.9°F).
- The average relative humidity in Thessaloniki in December is around 72%.
- The average sunshine hours in Thessaloniki in December are around 2 hours per day.
- Thessaloniki experiences an average of 12 rainy days in December, with an average rainfall of around 90 mm (3.5 in).
Temperature Fluctuations in Southern Greece
Athens, the capital city of Greece, experiences milder temperatures in December, with an average high temperature of around 15°C (59°F) and an average low temperature of around 6°C (43°F). The city’s southern location and coastal influence contribute to its relatively mild climate, with temperatures rarely dropping below 0°C (32°F) and occasionally rising above 20°C (68°F). Athens’ temperature fluctuates less than Thessaloniki’s, with more consistent temperatures throughout the month.
- The average temperature in Athens in December is around 10.5°C (50.9°F).
- The average relative humidity in Athens in December is around 63%.
- The average sunshine hours in Athens in December are around 3 hours per day.
- Athens experiences an average of 9 rainy days in December, with an average rainfall of around 50 mm (2 in).
Historical Climate Data Points in Greece
Here are some historical climate data points for various Greek cities in December:
| City | Average Temperature (°C/°F) | Average Relative Humidity (%) | Average Sunshine Hours per Day |
|---|---|---|---|
| Thessaloniki | 5.5°C (41.9°F) | 72% | 2 hours |
| Athens | 10.5°C (50.9°F) | 63% | 3 hours |
| Heraklion (Crete) | 13°C (55.4°F) | 68% | 4 hours |
| Chania (Crete) | 12°C (53.6°F) | 70% | 3.5 hours |
Understanding the Impact of Cold Snaps on Greek Weather

December in Greece is characterized by mild winters, but unexpected cold snaps can occur, affecting the climate significantly. These events may seem rare but are essential to understand for those planning to visit Greece during the winter months. In this section, we will delve into the world of cold snaps in Greece and how residents adapt to the changing weather conditions.
Real-Life Examples of Cold Snaps in Greece During December
Cold snaps in Greece during December are relatively common and can bring significant temperature drops, strong winds, and even snowfall in some parts of the country. Here are a few notable examples:
- December 2010: A Severe Cold Snap Brings Extreme Weather Conditions
This cold snap is considered one of the most severe in Greek history. Temperatures dropped as low as -12°C in Athens, and even lower in the mountains. Strong winds and heavy snowfall caused widespread disruptions, and the country declared a state of emergency. - December 2017: A Cold Snap Brings Snowfall to the Greek Isles
A cold snap in December 2017 brought rare snowfall to the Greek islands, particularly in the Cyclades. The snow caused significant disruptions, and the country’s infrastructure was tested. - December 2022: A Milder Cold Snap Brings Unseasonable Weather
A milder cold snap in December 2022 brought unseasonable weather to Greece, with temperatures rising above average in some parts of the country. While this may have been a welcome respite from the usual December chill, it also caught residents off guard. - December 2009: A Cold Snap Causes Widespread Disruptions
A cold snap in December 2009 caused widespread disruptions throughout Greece, with temperatures dropping as low as -15°C in some areas. The country’s transportation infrastructure was severely affected, and there were reports of power outages and disruptions to essential services.
Factors that Contribute to the Formation of Cold Snaps in Greece During Winter
Several factors contribute to the formation of cold snaps in Greece during winter, including:
- The temperature difference between the warmer Mediterranean Sea and the cooler air mass over the continent. This temperature gradient can create strong winds and bring cold air into the region.
- The influence of high-pressure systems from Eastern Europe, which can bring cold air into Greece.
- The country’s geography, which can create a microclimate effect. Mountains and hills can trap cold air, leading to localized cold snaps.
- Weather patterns from the Arctic, which can bring cold air into the region.
How Greek Residents Adapt to Changing Weather Conditions During December, Greece weather in december
Greeks have learned to adapt to the changing weather conditions during December, incorporating various strategies to stay warm and safe during cold snaps. These include:
- Using traditional heating methods, such as wood-burning stoves and kerosene heaters, to warm homes.
- Keeping warm clothing and blankets on hand to stay warm during power outages.
- Preparing emergency kits with essential supplies, such as food, water, and first aid, in case of prolonged power outages.
- Staying informed through local news and weather reports to prepare for potential disruptions.
Wrap-Up

In conclusion, the weather in Greece in December is a key consideration for travelers planning a trip to the country. By understanding the typical temperature and rainfall patterns, visitors can make informed decisions about their itinerary and make the most of their time in Greece.
Whether you’re interested in exploring the historic city centers, relaxing on a tropical beach, or experiencing the vibrant culture and cuisine of Greece, a trip to this incredible country in December is sure to be a memorable adventure.
FAQ Overview
Q: What is the average temperature in Greece in December?
A: The average temperature in Greece in December ranges from 8°C to 16°C, depending on the region.
Q: How much rainfall can I expect in Greece in December?
A: December is a relatively dry month in Greece, with average rainfall ranging from 50mm to 80mm, depending on the region.
Q: Can I expect snow in Greece in December?
A: Yes, it is not uncommon to experience snow in some parts of Greece in December, especially in the mountainous regions.
Q: Are there any festivals or events in Greece in December?
A: Yes, Greece celebrates Christmas and New Year’s Eve with festive events and traditions, including the exchange of gifts, singing, and traditional foods.