Athens Weather in January

In January, Athens averages a high of 14°C (56°F) and a low of 7°C (45°F), from 50 years of daily records (1971–2025).

14°C

Average high

56°F

7°C

Average low

45°F

22°C

Record high

72°F · January 9, 2021

-3°C

Record low

27°F · January 26, 2006

What January Is Like in Athens

January 2025 was the warmest January in 50 years of records, 3.3°C (5.9°F) above the long-run average.
January is Athens's coldest month of the year.
On average, 0.6 nights in January drop below freezing.
January in Athens has become 0.6°C (1.0°F) warmer on average: the 2011–2025 average against 1970–1989.

At least 1 mm of rain falls on 17% of January days, and the month averages 44 mm in total.

Average daytime high in Athens, every January since 1971

Warmest: 2025 (17.6°C)Latest: 2025 (17.6°C)10-year averageLong-run average (13.6°C)

See the weather in Athens on any January date, year by year.

Source: NOAA GHCN-Daily, Hellinikon (1971–2025). Averages cover 1971–2025. How we compute this