Average annual temperature is 18.5 °C
Absolute maximum temperature: 45.9 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 203 days
Number of rainy days: 159 days
Number of snow days: 3 days
Look at detailed online map of Marathónas
* Weather data for Marathónas Greece is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.9 | 20.9 | 23.3 | 24.3 | 26.6 | 33.6 | 45.9 | 38.0 | 35.2 | 29.2 | 28.0 | 22.1 |
| Average daytime temperature (°C) | 15.2 | 13.8 | 17.8 | 19.7 | 23.1 | 28.9 | 36.0 | 34.1 | 28.9 | 26.3 | 21.7 | 17.2 |
| Average temperature (°C) | 10.7 | 9.0 | 12.8 | 14.8 | 18.7 | 24.0 | 30.1 | 28.5 | 23.8 | 20.5 | 16.3 | 12.1 |
| Average night temperature (°C) | 7.3 | 5.0 | 8.7 | 10.6 | 14.9 | 19.4 | 24.4 | 23.7 | 19.9 | 15.9 | 11.3 | 8.0 |
| Absolute minimum temperature (°C) | 2.6 | -0.8 | 4.0 | 7.5 | 11.8 | 15.8 | 19.8 | 20.7 | 16.6 | 11.8 | 0.2 | 3.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 8.3 | 9.4 | 10.5 | 11.0 | 12.1 | 13.1 | 12.5 | 10.4 | 9.7 | 8.1 | 7.1 |
| Precipitation (mm) | 58 | 50 | 64 | 100 | 88 | 80 | 3 | 4 | 47 | 7 | 35 | 63 |
| Sunny days | 15 | 17 | 17 | 7 | 6 | 13 | 26 | 24 | 19 | 23 | 18 | 18 |
| Rainy days | 16 | 8 | 14 | 23 | 25 | 17 | 5 | 7 | 11 | 8 | 12 | 13 |
| Snow days | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Marathónas during the most sunny months:
The largest precipitation sum in Marathónas is at