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The best time to visit Sounion
April, May, June, September and October — daytime highs 19–29°C. Every number on this page is measured, not guessed.
Sounion month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 14°C | 9°C | 8 | |
| February | 14°C | 9°C | 5 | |
| March | 15°C | 9°C | 6 | Shoulder |
| April | 19°C | 13°C | 6 | Best |
| May | 24°C | 16°C | 5 | Best |
| June | 29°C | 21°C | 4 | Best |
| July | 33°C | 25°C | 1 | Shoulder |
| August | 32°C | 25°C | 2 | Shoulder |
| September | 28°C | 21°C | 3 | Best |
| October | 23°C | 17°C | 4 | Best |
| November | 20°C | 15°C | 6 | Shoulder |
| December | 16°C | 11°C | 7 |
The short version
Warmest: July, around 33°C by day. Coolest: January, around 14°C by day and 9°C at night. Wettest: January with about 8 wet days. Driest: July with about 1.
If you want fewer people: March, July, August, November sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Sounion?
The best months are April, May, June, September and October, when daytime highs sit 19–29°C.
What is the hottest month in Sounion?
July, with daytime highs around 33°C.
What is the wettest month in Sounion?
January, with about 8 wet days. The driest is July with about 1.
When is the cheapest time to visit Sounion?
Prices follow the weather. The months either side of the best ones — March, July, August, November — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Sounio, Attica. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.