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The best time to visit Marathon
April, May, June, September and October — daytime highs around 25°C. Every number on this page is measured, not guessed.
Marathon month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 13°C | 6°C | 9 | |
| February | 14°C | 7°C | 9 | |
| March | 16°C | 8°C | 8 | Shoulder |
| April | 20°C | 11°C | 5 | Best |
| May | 24°C | 15°C | 5 | Best |
| June | 29°C | 21°C | 3 | Best |
| July | 32°C | 24°C | 2 | Shoulder |
| August | 31°C | 24°C | 2 | Shoulder |
| September | 28°C | 20°C | 3 | Best |
| October | 23°C | 16°C | 4 | Best |
| November | 19°C | 12°C | 7 | Shoulder |
| December | 15°C | 8°C | 8 |
The short version
Warmest: July, around 32°C by day. Coolest: January, around 13°C by day and 6°C at night. Wettest: January with about 9 wet days. Driest: July with about 2.
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 Marathon?
The best months are April, May, June, September and October, when daytime highs sit around 25°C.
What is the hottest month in Marathon?
July, with daytime highs around 32°C.
What is the wettest month in Marathon?
January, with about 9 wet days. The driest is July with about 2.
When is the cheapest time to visit Marathon?
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 Marathon, Attica. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.