Average annual temperature is 10.1 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: -11.0 °C
Number of sunny days: 105 days
Number of rainy days: 255 days
Number of snow days: 5 days
Look at detailed online map of Spa
* Weather data for Spa 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) | 13.0 | 12.8 | 13.7 | 17.1 | 21.7 | 27.5 | 29.5 | 27.2 | 27.9 | 23.8 | 13.2 | 9.6 |
| Average daytime temperature (°C) | 4.5 | 6.8 | 8.2 | 10.5 | 16.0 | 22.9 | 20.8 | 20.1 | 21.4 | 15.2 | 7.5 | 6.0 |
| Average temperature (°C) | 2.6 | 3.7 | 5.2 | 6.8 | 12.0 | 18.5 | 16.9 | 16.4 | 17.2 | 12.0 | 5.6 | 4.4 |
| Average night temperature (°C) | 0.3 | 1.3 | 2.0 | 3.1 | 7.4 | 13.6 | 12.8 | 12.6 | 13.0 | 8.9 | 3.8 | 2.7 |
| Absolute minimum temperature (°C) | -11.0 | -4.8 | -4.6 | -3.4 | 2.4 | 8.4 | 9.0 | 9.1 | 6.8 | -0.6 | -3.9 | -5.1 |
| 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 | 10.1 | 11.9 | 13.8 | 15.5 | 16.4 | 15.9 | 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) | 2.5 | 4.9 | 4.8 | 7.5 | 10.4 | 12.8 | 10.5 | 9.0 | 9.4 | 5.9 | 2.3 | 2.1 |
| Precipitation (mm) | 157 | 52 | 205 | 97 | 61 | 91 | 144 | 160 | 76 | 110 | 180 | 164 |
| Sunny days | 7 | 13 | 5 | 8 | 11 | 18 | 4 | 6 | 17 | 10 | 1 | 5 |
| Rainy days | 20 | 15 | 26 | 22 | 20 | 12 | 27 | 25 | 13 | 21 | 29 | 25 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Spa during the most sunny months:
Months with the longest average daylight duration in Spa:
The largest precipitation sum in Spa is at