Average annual temperature is 11.8 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -5.6 °C
Number of sunny days: 118 days
Number of rainy days: 247 days
Look at detailed online map of Silly
* Weather data for Silly Belgium 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 | 12.2 | 16.8 | 16.7 | 23.4 | 29.8 | 30.3 | 27.9 | 30.8 | 24.7 | 15.1 | 12.4 |
| Average daytime temperature (°C) | 7.1 | 8.4 | 10.5 | 12.3 | 17.6 | 24.7 | 22.4 | 22.0 | 23.2 | 17.0 | 10.0 | 8.5 |
| Average temperature (°C) | 5.0 | 5.3 | 7.2 | 8.4 | 13.1 | 19.7 | 18.4 | 18.0 | 18.6 | 13.5 | 7.7 | 6.6 |
| Average night temperature (°C) | 2.6 | 2.0 | 3.6 | 4.2 | 8.1 | 13.9 | 14.1 | 13.8 | 14.0 | 10.2 | 5.4 | 4.5 |
| Absolute minimum temperature (°C) | -4.1 | -4.4 | -3.5 | -2.9 | 3.5 | 9.9 | 11.3 | 10.6 | 8.4 | 2.3 | -0.2 | -5.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.0 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 3.0 | 4.5 | 4.7 | 7.3 | 10.3 | 12.7 | 10.6 | 10.3 | 9.1 | 6.1 | 3.4 | 1.9 |
| Precipitation (mm) | 93 | 13 | 127 | 80 | 59 | 47 | 121 | 72 | 80 | 105 | 130 | 76 |
| Sunny days | 10 | 13 | 4 | 9 | 14 | 23 | 3 | 7 | 18 | 9 | 1 | 7 |
| Rainy days | 21 | 15 | 27 | 21 | 17 | 7 | 28 | 24 | 12 | 22 | 29 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Silly during the most sunny months:
Months with the longest average daylight duration in Silly:
The largest precipitation sum in Silly is at