Average annual temperature is 13.7 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 176 days
Number of rainy days: 184 days
Number of snow days: 5 days
Look at detailed online map of San Gennaro
* Weather data for San Gennaro 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) | 14.5 | 16.7 | 16.9 | 19.0 | 21.8 | 31.6 | 38.1 | 34.7 | 31.2 | 27.8 | 18.2 | 16.6 |
| Average daytime temperature (°C) | 8.5 | 9.3 | 12.4 | 13.0 | 17.8 | 23.6 | 31.6 | 28.5 | 25.9 | 22.6 | 14.4 | 11.4 |
| Average temperature (°C) | 5.1 | 4.9 | 8.0 | 8.8 | 14.0 | 19.0 | 25.4 | 22.7 | 20.3 | 17.4 | 10.8 | 7.5 |
| Average night temperature (°C) | 1.9 | 1.2 | 3.8 | 4.9 | 10.5 | 14.2 | 18.9 | 17.4 | 15.5 | 12.9 | 7.4 | 4.1 |
| Absolute minimum temperature (°C) | -3.9 | -3.8 | 0.2 | 0.0 | 7.3 | 10.7 | 14.3 | 12.4 | 11.2 | 8.5 | -1.8 | -0.2 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 5.1 | 7.8 | 8.6 | 8.9 | 8.4 | 12.3 | 13.7 | 12.3 | 10.6 | 8.6 | 5.6 | 6.5 |
| Precipitation (mm) | 158 | 23 | 66 | 116 | 166 | 119 | 8 | 15 | 44 | 72 | 139 | 35 |
| Sunny days | 14 | 16 | 15 | 7 | 2 | 11 | 22 | 20 | 19 | 20 | 11 | 19 |
| Rainy days | 17 | 7 | 16 | 23 | 29 | 19 | 9 | 11 | 11 | 11 | 19 | 12 |
| Snow days | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Gennaro during the most sunny months:
The largest precipitation sum in San Gennaro is at