Average annual temperature is 11.9 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 117 days
Number of rainy days: 248 days
Look at detailed online map of Heuleken
* Weather data for Heuleken 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 | 11.5 | 17.0 | 17.6 | 23.4 | 31.0 | 32.0 | 26.2 | 31.8 | 24.7 | 15.1 | 12.5 |
| Average daytime temperature (°C) | 7.7 | 8.8 | 10.5 | 12.3 | 17.5 | 24.9 | 22.6 | 21.5 | 23.2 | 17.1 | 10.3 | 8.9 |
| Average temperature (°C) | 5.5 | 5.5 | 7.3 | 8.6 | 13.0 | 19.7 | 18.5 | 17.8 | 18.5 | 13.7 | 7.9 | 6.9 |
| Average night temperature (°C) | 3.1 | 2.2 | 4.1 | 4.6 | 8.4 | 14.0 | 14.3 | 13.8 | 13.8 | 10.6 | 5.6 | 4.5 |
| Absolute minimum temperature (°C) | -3.8 | -4.1 | -2.1 | -1.2 | 3.7 | 9.8 | 11.5 | 10.3 | 9.2 | 3.2 | -2.1 | -4.9 |
| 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 | 13.9 | 15.6 | 16.5 | 16.1 | 14.5 | 12.6 | 10.7 | 8.9 | 8.0 |
| Daylight minimum duration (h) | 7.0 | 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) | 3.7 | 4.1 | 4.5 | 8.1 | 10.8 | 12.8 | 10.7 | 10.3 | 8.9 | 6.1 | 3.5 | 2.1 |
| Precipitation (mm) | 104 | 13 | 135 | 73 | 67 | 34 | 113 | 94 | 78 | 127 | 146 | 93 |
| Sunny days | 6 | 15 | 3 | 7 | 19 | 20 | 3 | 8 | 18 | 9 | 2 | 7 |
| Rainy days | 25 | 13 | 28 | 23 | 12 | 10 | 28 | 23 | 12 | 22 | 28 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heuleken during the most sunny months:
Months with the longest average daylight duration in Heuleken:
The largest precipitation sum in Heuleken is at