Average annual temperature is 18.5 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 1.5 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Siderno
* Weather data for Siderno 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 | 17.1 | 20.5 | 23.5 | 24.9 | 34.9 | 42.3 | 35.0 | 32.7 | 30.5 | 26.2 | 21.5 |
| Average daytime temperature (°C) | 14.4 | 13.6 | 16.5 | 17.6 | 20.8 | 27.1 | 33.1 | 30.9 | 27.9 | 25.9 | 20.2 | 16.0 |
| Average temperature (°C) | 11.1 | 10.3 | 13.1 | 14.4 | 17.9 | 23.7 | 29.1 | 26.7 | 24.1 | 21.9 | 16.8 | 12.8 |
| Average night temperature (°C) | 8.0 | 7.1 | 10.2 | 11.1 | 14.9 | 20.1 | 25.0 | 22.8 | 20.6 | 18.6 | 13.7 | 10.0 |
| Absolute minimum temperature (°C) | 4.0 | 1.5 | 6.4 | 6.6 | 12.2 | 16.0 | 21.1 | 19.1 | 16.9 | 16.7 | 7.8 | 6.7 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.3 | 8.5 | 9.3 | 10.7 | 9.6 | 12.3 | 13.5 | 12.2 | 10.5 | 9.3 | 7.9 | 7.0 |
| Precipitation (mm) | 41 | 58 | 35 | 106 | 153 | 16 | 0 | 8 | 19 | 7 | 65 | 25 |
| Sunny days | 16 | 18 | 15 | 12 | 10 | 14 | 28 | 20 | 17 | 18 | 12 | 21 |
| Rainy days | 15 | 10 | 16 | 18 | 21 | 16 | 3 | 11 | 13 | 13 | 18 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Siderno during the most sunny months:
The largest precipitation sum in Siderno is at