Average annual temperature is 12.0 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 112 days
Number of rainy days: 253 days
Look at detailed online map of Opstal
* Weather data for Opstal 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) | 15.1 | 12.2 | 17.1 | 17.5 | 23.7 | 30.3 | 31.3 | 26.2 | 31.4 | 25.0 | 15.4 | 12.6 |
| Average daytime temperature (°C) | 7.5 | 8.6 | 10.6 | 12.5 | 18.0 | 25.1 | 22.4 | 21.8 | 23.3 | 17.1 | 10.3 | 8.8 |
| Average temperature (°C) | 5.4 | 5.5 | 7.4 | 8.7 | 13.4 | 20.1 | 18.5 | 18.1 | 18.6 | 13.7 | 7.9 | 6.8 |
| Average night temperature (°C) | 3.1 | 2.3 | 4.0 | 4.6 | 8.4 | 14.4 | 14.2 | 14.1 | 13.9 | 10.6 | 5.5 | 4.6 |
| Absolute minimum temperature (°C) | -3.3 | -4.6 | -3.1 | -2.7 | 3.4 | 9.9 | 11.7 | 10.7 | 8.9 | 3.3 | -1.8 | -5.3 |
| 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) | 8.5 | 10.0 | 11.9 | 13.8 | 15.6 | 16.5 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.0 |
| 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) | 3.2 | 4.3 | 4.8 | 7.5 | 10.7 | 12.9 | 10.8 | 10.3 | 9.0 | 6.2 | 3.6 | 2.1 |
| Precipitation (mm) | 82 | 9 | 134 | 86 | 55 | 32 | 111 | 78 | 76 | 127 | 131 | 80 |
| Sunny days | 9 | 13 | 3 | 7 | 13 | 21 | 2 | 7 | 18 | 11 | 2 | 6 |
| Rainy days | 22 | 15 | 28 | 23 | 18 | 9 | 29 | 24 | 12 | 20 | 28 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Opstal during the most sunny months:
Months with the longest average daylight duration in Opstal:
The largest precipitation sum in Opstal is at