Average annual temperature is 16.7 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 0.0 °C
Number of sunny days: 171 days
Number of rainy days: 194 days
Look at detailed online map of Formello
* Weather data for Formello Italy is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.1 | 17.1 | 20.1 | 21.4 | 27.5 | 34.5 | 40.0 | 37.1 | 31.6 | 31.4 | 21.0 | 18.9 |
| Average daytime temperature (°C) | 11.6 | 13.0 | 15.5 | 17.2 | 21.7 | 27.2 | 32.4 | 31.1 | 28.3 | 24.7 | 16.7 | 13.6 |
| Average temperature (°C) | 8.5 | 8.3 | 11.3 | 12.6 | 17.4 | 22.4 | 27.1 | 25.6 | 23.0 | 20.1 | 13.2 | 10.5 |
| Average night temperature (°C) | 5.9 | 4.8 | 7.7 | 8.7 | 14.0 | 18.2 | 22.3 | 20.9 | 18.9 | 16.5 | 10.0 | 7.5 |
| Absolute minimum temperature (°C) | 1.8 | 0.0 | 4.2 | 3.4 | 10.9 | 15.9 | 16.9 | 15.7 | 14.9 | 13.9 | 2.9 | 3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 8.0 | 8.7 | 10.5 | 9.6 | 12.7 | 13.4 | 12.3 | 10.6 | 8.6 | 6.9 | 6.5 |
| Precipitation (mm) | 117 | 58 | 85 | 85 | 158 | 98 | 14 | 55 | 39 | 121 | 122 | 29 |
| Sunny days | 12 | 19 | 13 | 12 | 5 | 11 | 19 | 20 | 19 | 16 | 9 | 16 |
| Rainy days | 19 | 9 | 18 | 18 | 26 | 19 | 12 | 11 | 11 | 15 | 21 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Formello during the most sunny months:
The largest precipitation sum in Formello is at