Sounio Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to moderate in Sounio. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 15°C (59°F).

At night, temperatures range from around 24°C (75°F) in August to 9°C (48°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sounio maintains relatively dry conditions year-round, recording average annual precipitation of 345 mm (14 in). Sounio can be quite wet during December, receiving approximately 64 mm (2.5 in) of precipitation over 10 rainy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 2.1 mm (0.1 in) of precipitation spread across a single rainy day. For more details, please visit our Sounio Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sounio can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Sounio.

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