Last updated: June 24, 2025
In January, the average temperature in Athens, United States hovers around 7°C (44°F). Expect a chilly minimum of -14°C (8°F) and a warm maximum that can reach up to 24°C (75°F). With 113 mm (4.5 in) of precipitation over 9 days, it's wise to pack your umbrella. Additionally, the average humidity of 87% adds to the overall dampness of the season, making it a month to bundle up and enjoy!
In January in Athens, the average temperature is 7°C (44°F). The maximum can reach 24°C (75°F), while the minimum can drop as low as -14°C (8°F). It's essential to pack layers and be prepared for a wide range of temperatures if you're planning to travel during this time.
In Athens in January, the precipitation amount is 113 mm (4.5 in) over a span of 9 days.
In Athens in January, humidity is 87%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring travelers to layer up to stay warm and dry.
In Athens in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Athens for better planning.
UV Risk Categories
Weather in Athens varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Athens, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 7°C (44°F) | 113 mm (4.5 inches) | 87% | moderate |
February Weather | 9°C (49°F) | 177 mm (7.0 inches) | 87% | high |
March Weather | 13°C (56°F) | 183 mm (7.2 inches) | 85% | very high |
April Weather | 17°C (62°F) | 144 mm (5.7 inches) | 82% | very high |
May Weather | 22°C (72°F) | 102 mm (4.0 inches) | 83% | extreme |
June Weather | 25°C (78°F) | 132 mm (5.2 inches) | 82% | extreme |
July Weather | 27°C (81°F) | 106 mm (4.2 inches) | 78% | extreme |
August Weather | 27°C (80°F) | 115 mm (4.5 inches) | 67% | very high |
September Weather | 24°C (76°F) | 107 mm (4.2 inches) | 64% | very high |
October Weather | 19°C (66°F) | 112 mm (4.4 inches) | 74% | high |
November Weather | 11°C (52°F) | 75 mm (3.0 inches) | 87% | moderate |
December Weather | 9°C (48°F) | 147 mm (5.8 inches) | 88% | moderate |