Athens Weather & Climate: Best Time to Visit
May till June and September till October is an ideal time to visit Athens. The weather is perfect, still warm, but not unbearably hot. The children are in school so its quieter and the historical sites are much less crowded. There is also still nightlife around, especially at weekends.
Monthly Temperature in Athens
The climate in Athens is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in July to a moderate 14°C (57°F) in the coolest month, January.
Nights vary from 23°C (73°F) in July to around 7°C (45°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Athens
With annual rainfall averaging 382 mm (15 in), Athens maintains relatively low precipitation levels throughout the seasons. The climate in Athens shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 64 mm (2.5 in) of precipitation over 10 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 3.8 mm (0.1 in) of rainfall over 2 rainy days. For more details, please visit our Athens Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Athens
For those who appreciate different seasons, Athens serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.1 hours of sunshine daily, and embrace the darker days in December, offering only 4.2 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Athens
The mean water temperature over the year ranges from 14°C (57°F) in January to 24°C (75°F) in July.
Water temperature over the year
Humidity in Athens by Month
The relative humidity is high throughout the year in Athens.
The city experiences its highest humidity in November, reaching 73%. In July, the humidity drops to its lowest level at 43%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Athens
The average wind speed over the year ranges from 1 m/s (2 knots) to 2 m/s (4 knots). It is lower in April, May, June, September and November and higher in January, February, March, July, August, October and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Athens 3-Day Forecast
Check the conditions for any month of the year.
