Last updated: August 23, 2025
In December, the average temperature in Agios Athanasios, Greece hovers around 7°C (45°F), making it a brisk time of year. Expect temperatures to range from a chilly -6°C (21°F) to a mild 18°C (65°F). Rain is also on the horizon, with 140 mm (5.5 in) of precipitation likely over 13 days. Don't forget your umbrella as you navigate the damp air, with average humidity levels reaching a solid 87%!
In December in Agios Athanasios, the average temperature is 7°C (45°F), with maximums reaching 18°C (65°F) and minimums dipping as low as -6°C (21°F). This variability makes it essential for travelers to pack layers to accommodate both mild and chilly conditions.
In Agios Athanasios in December, the total precipitation amount is 140 mm (5.5 in) over the course of 13 days.
In Agios Athanasios in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.
In Agios Athanasios in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Agios Athanasios, you can visit Hourly UV Index in Agios Athanasios.
UV Risk Categories
Weather in Agios Athanasios varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Agios Athanasios, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 82 mm (3.2 inches) | 88% | low |
| February Weather | 7°C (44°F) | 55 mm (2.2 inches) | 83% | moderate |
| March Weather | 9°C (48°F) | 100 mm (3.9 inches) | 81% | high |
| April Weather | 13°C (55°F) | 61 mm (2.4 inches) | 71% | very high |
| May Weather | 18°C (64°F) | 65 mm (2.5 inches) | 74% | very high |
| June Weather | 21°C (71°F) | 99 mm (3.9 inches) | 63% | very high |
| July Weather | 24°C (76°F) | 54 mm (2.1 inches) | 60% | very high |
| August Weather | 25°C (78°F) | 26 mm (1.0 inches) | 47% | very high |
| September Weather | 21°C (70°F) | 35 mm (1.4 inches) | 57% | very high |
| October Weather | 15°C (60°F) | 84 mm (3.3 inches) | 76% | high |
| November Weather | 11°C (52°F) | 101 mm (4.0 inches) | 85% | moderate |
| December Weather | 7°C (45°F) | 140 mm (5.5 inches) | 87% | low |