Average annual temperature is 16.9 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 2.6 °C
Number of sunny days: 217 days
Number of rainy days: 148 days
Look at detailed online map of Mertes
* Weather data for Mertes 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) | 14.8 | 16.9 | 19.1 | 18.1 | 22.7 | 29.2 | 41.2 | 33.3 | 33.1 | 25.1 | 24.3 | 17.0 |
| Average daytime temperature (°C) | 12.7 | 11.3 | 14.3 | 15.6 | 19.3 | 24.7 | 32.4 | 30.1 | 26.5 | 22.9 | 18.8 | 14.4 |
| Average temperature (°C) | 10.0 | 8.5 | 11.3 | 12.5 | 16.4 | 21.2 | 28.0 | 25.7 | 22.6 | 18.8 | 15.5 | 11.6 |
| Average night temperature (°C) | 7.4 | 5.9 | 8.6 | 9.2 | 13.4 | 17.5 | 23.5 | 21.7 | 19.3 | 15.7 | 12.7 | 9.2 |
| Absolute minimum temperature (°C) | 4.3 | 2.6 | 4.6 | 7.4 | 10.9 | 13.9 | 19.9 | 19.5 | 15.8 | 13.8 | 7.2 | 6.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.2 | 8.6 | 9.7 | 10.1 | 11.3 | 12.9 | 13.0 | 12.6 | 10.9 | 10.0 | 8.6 | 7.8 |
| Precipitation (mm) | 162 | 20 | 55 | 97 | 32 | 30 | 1 | 0 | 14 | 12 | 131 | 58 |
| Sunny days | 11 | 14 | 16 | 16 | 11 | 15 | 29 | 31 | 21 | 22 | 16 | 15 |
| Rainy days | 20 | 14 | 15 | 14 | 20 | 15 | 2 | 0 | 9 | 9 | 14 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Mertes during the most sunny months:
The largest precipitation sum in Mertes is at