Average annual temperature is 12.0 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -8.5 °C
Number of sunny days: 184 days
Number of rainy days: 164 days
Number of snow days: 17 days
Look at detailed online map of Onna
* Weather data for Onna 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) | 13.4 | 14.7 | 17.9 | 18.2 | 21.4 | 31.1 | 36.5 | 34.4 | 31.2 | 27.8 | 18.1 | 16.9 |
| Average daytime temperature (°C) | 6.9 | 9.0 | 12.0 | 12.4 | 17.2 | 23.2 | 30.1 | 28.5 | 25.3 | 22.1 | 12.3 | 10.0 |
| Average temperature (°C) | 2.8 | 3.3 | 6.8 | 7.5 | 12.9 | 17.9 | 23.6 | 21.5 | 18.4 | 16.0 | 8.0 | 5.1 |
| Average night temperature (°C) | -1.0 | -1.0 | 1.8 | 2.8 | 8.6 | 12.6 | 17.1 | 14.8 | 12.5 | 10.7 | 3.9 | 1.2 |
| Absolute minimum temperature (°C) | -8.5 | -6.7 | -4.9 | -3.3 | 3.8 | 9.0 | 12.7 | 9.2 | 8.6 | 6.5 | -3.7 | -3.0 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.7 | 8.1 | 8.3 | 9.3 | 9.3 | 12.2 | 13.6 | 12.3 | 10.6 | 8.6 | 5.5 | 6.7 |
| Precipitation (mm) | 157 | 22 | 43 | 75 | 177 | 80 | 7 | 34 | 26 | 47 | 163 | 38 |
| Sunny days | 14 | 21 | 14 | 9 | 3 | 12 | 23 | 21 | 19 | 18 | 10 | 20 |
| Rainy days | 7 | 6 | 16 | 19 | 28 | 18 | 8 | 10 | 11 | 13 | 20 | 8 |
| Snow days | 10 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Onna during the most sunny months:
The largest precipitation sum in Onna is at