Average annual temperature is 14.1 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 212 days
Number of rainy days: 153 days
Look at detailed online map of Valcossana-Grilletto
* Weather data for Valcossana-Grilletto 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) | 13.6 | 18.3 | 22.5 | 23.3 | 27.1 | 33.7 | 36.0 | 36.9 | 30.2 | 30.9 | 18.8 | 18.7 |
| Average daytime temperature (°C) | 7.9 | 11.5 | 16.2 | 18.5 | 21.5 | 26.8 | 30.3 | 30.8 | 25.7 | 21.2 | 12.6 | 9.3 |
| Average temperature (°C) | 3.9 | 5.4 | 10.1 | 12.5 | 16.6 | 21.7 | 24.5 | 24.8 | 20.3 | 16.1 | 7.3 | 4.6 |
| Average night temperature (°C) | 0.4 | 0.7 | 4.4 | 6.6 | 12.2 | 17.0 | 19.1 | 19.0 | 15.4 | 12.0 | 3.0 | 1.1 |
| Absolute minimum temperature (°C) | -4.1 | -4.9 | 0.9 | 1.1 | 9.0 | 13.4 | 15.7 | 13.5 | 9.3 | 7.0 | -3.0 | -2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.8 | 7.1 | 9.1 | 10.0 | 9.0 | 11.5 | 12.3 | 11.7 | 9.6 | 7.2 | 6.4 | 4.9 |
| Precipitation (mm) | 17 | 10 | 15 | 67 | 158 | 126 | 44 | 91 | 42 | 94 | 24 | 32 |
| Sunny days | 20 | 24 | 25 | 19 | 7 | 9 | 14 | 17 | 19 | 19 | 19 | 20 |
| Rainy days | 11 | 4 | 6 | 11 | 24 | 21 | 17 | 14 | 11 | 12 | 11 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Valcossana-Grilletto during the most sunny months:
Months with the longest average daylight duration in Valcossana-Grilletto:
The largest precipitation sum in Valcossana-Grilletto is at