Last updated: June 24, 2025
In January, the average temperature in Athens, United States hovers around -8°C (18°F), with a chilling minimum of -32°C (-26°F) and an occasional maximum of 11°C (53°F). Expect 87 mm (3.4 in) of precipitation spread across 8 days, and prepare for a notably high average humidity at 88%. Stay warm and dry!
In January in Athens, the average temperature is -8°C (18°F). Maximums can reach 11°C (53°F), while minimums can drop as low as -32°C (-26°F). Travelers should prepare for cold weather and pack warm clothing if planning to visit.
In Athens in January, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.
In Athens in January humidity is 88%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps into your bones, making it essential to dress warmly and plan for quick indoor breaks while traveling.
In Athens in January, 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 Athens, you can visit Hourly UV Index in Athens.
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 | -8°C (18°F) | 87 mm (3.4 inches) | 88% | low |
February Weather | -7°C (21°F) | 83 mm (3.3 inches) | 88% | moderate |
March Weather | -2°C (28°F) | 74 mm (2.9 inches) | 85% | moderate |
April Weather | 5°C (41°F) | 125 mm (4.9 inches) | 81% | very high |
May Weather | 12°C (54°F) | 91 mm (3.6 inches) | 76% | very high |
June Weather | 17°C (63°F) | 87 mm (3.4 inches) | 74% | very high |
July Weather | 20°C (69°F) | 104 mm (4.1 inches) | 74% | very high |
August Weather | 20°C (67°F) | 79 mm (3.1 inches) | 74% | very high |
September Weather | 15°C (60°F) | 73 mm (2.9 inches) | 77% | high |
October Weather | 9°C (48°F) | 131 mm (5.2 inches) | 82% | moderate |
November Weather | 1°C (34°F) | 112 mm (4.4 inches) | 85% | moderate |
December Weather | -5°C (23°F) | 120 mm (4.7 inches) | 84% | low |