Average annual temperature is 16.1 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -1.1 °C
Number of sunny days: 168 days
Number of rainy days: 197 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) | 17.1 | 18.2 | 19.3 | 22.2 | 27.7 | 31.5 | 36.1 | 37.5 | 32.9 | 29.5 | 20.9 | 19.6 |
| Average daytime temperature (°C) | 13.2 | 13.8 | 16.2 | 17.7 | 22.0 | 26.8 | 32.1 | 30.6 | 28.9 | 25.2 | 17.7 | 15.0 |
| Average temperature (°C) | 7.9 | 7.5 | 11.0 | 12.5 | 17.4 | 21.6 | 26.0 | 24.3 | 22.5 | 19.3 | 12.9 | 9.6 |
| Average night temperature (°C) | 4.0 | 2.4 | 6.1 | 7.2 | 13.1 | 16.8 | 19.8 | 18.5 | 16.9 | 14.6 | 8.4 | 5.1 |
| Absolute minimum temperature (°C) | -0.2 | -1.1 | 2.6 | 2.9 | 10.5 | 14.2 | 17.1 | 14.6 | 14.0 | 12.4 | 0.6 | -0.3 |
| 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) | 6.4 | 8.3 | 8.8 | 9.7 | 9.0 | 12.0 | 13.5 | 12.1 | 10.4 | 8.8 | 6.7 | 6.6 |
| Precipitation (mm) | 184 | 53 | 64 | 71 | 221 | 100 | 7 | 36 | 96 | 105 | 182 | 31 |
| Sunny days | 14 | 19 | 13 | 11 | 4 | 11 | 23 | 15 | 22 | 14 | 8 | 14 |
| Rainy days | 17 | 9 | 18 | 19 | 27 | 19 | 8 | 16 | 8 | 17 | 22 | 17 |
| Snow days | 0 | 0 | 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