Average annual temperature is 16.7 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 160 days
Number of rainy days: 205 days
Look at detailed online map of San Gennaro Vesuviano
* Weather data for San Gennaro Vesuviano 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) | 17.4 | 19.7 | 19.8 | 21.8 | 26.7 | 30.0 | 38.3 | 36.8 | 32.6 | 30.5 | 21.0 | 20.3 |
| Average daytime temperature (°C) | 13.4 | 13.6 | 16.1 | 17.3 | 21.7 | 26.4 | 32.0 | 30.3 | 29.4 | 25.6 | 18.0 | 15.1 |
| Average temperature (°C) | 8.9 | 8.4 | 11.4 | 12.6 | 17.4 | 21.7 | 26.5 | 24.6 | 23.1 | 20.1 | 14.3 | 11.1 |
| Average night temperature (°C) | 5.2 | 3.7 | 6.9 | 8.1 | 13.2 | 16.7 | 21.2 | 19.6 | 17.9 | 15.4 | 10.4 | 7.2 |
| Absolute minimum temperature (°C) | -0.2 | -3.3 | 3.1 | 3.6 | 9.4 | 12.8 | 18.6 | 15.7 | 14.8 | 12.5 | 1.3 | 1.6 |
| 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) | 6.3 | 7.8 | 9.2 | 9.7 | 8.6 | 12.1 | 13.6 | 12.2 | 10.6 | 8.8 | 6.2 | 6.5 |
| Precipitation (mm) | 194 | 80 | 118 | 125 | 228 | 97 | 10 | 32 | 49 | 108 | 234 | 115 |
| Sunny days | 13 | 15 | 14 | 9 | 4 | 11 | 25 | 18 | 21 | 17 | 2 | 11 |
| Rainy days | 18 | 13 | 17 | 21 | 27 | 19 | 6 | 13 | 9 | 14 | 28 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Gennaro Vesuviano during the most sunny months:
The largest precipitation sum in San Gennaro Vesuviano is at