Average annual temperature is 18.8 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 1.4 °C
Number of sunny days: 186 days
Number of rainy days: 178 days
Number of snow days: 1 day
Look at detailed online map of Fónissa
* Weather data for Fónissa 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) | 19.4 | 22.8 | 20.8 | 22.1 | 28.2 | 32.3 | 38.6 | 36.4 | 32.9 | 28.8 | 26.9 | 21.7 |
| Average daytime temperature (°C) | 15.3 | 13.9 | 16.6 | 17.7 | 22.9 | 26.9 | 33.4 | 31.3 | 29.3 | 25.6 | 19.9 | 16.7 |
| Average temperature (°C) | 12.0 | 10.1 | 13.1 | 14.4 | 19.2 | 23.4 | 29.4 | 27.4 | 24.6 | 21.3 | 17.0 | 13.3 |
| Average night temperature (°C) | 9.3 | 6.8 | 9.7 | 11.1 | 15.8 | 19.9 | 25.0 | 23.8 | 20.7 | 18.0 | 14.1 | 10.5 |
| Absolute minimum temperature (°C) | 3.6 | 1.4 | 5.6 | 7.1 | 11.9 | 16.9 | 20.5 | 21.8 | 18.3 | 15.7 | 7.7 | 5.7 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 7.7 | 8.8 | 9.2 | 10.5 | 10.5 | 12.8 | 13.2 | 12.5 | 10.5 | 9.8 | 7.3 | 7.1 |
| Precipitation (mm) | 170 | 12 | 124 | 84 | 157 | 107 | 6 | 20 | 60 | 31 | 252 | 66 |
| Sunny days | 12 | 21 | 12 | 10 | 4 | 12 | 27 | 21 | 20 | 21 | 9 | 17 |
| Rainy days | 19 | 6 | 19 | 20 | 27 | 18 | 4 | 10 | 10 | 10 | 21 | 14 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Fónissa during the most sunny months:
The largest precipitation sum in Fónissa is at