Average annual temperature is 12.1 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Heiken
* Weather data for Heiken 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) | 15.3 | 12.6 | 17.4 | 17.2 | 24.1 | 30.1 | 31.2 | 26.8 | 31.3 | 25.5 | 15.4 | 12.5 |
| Average daytime temperature (°C) | 7.5 | 8.7 | 10.7 | 12.6 | 18.2 | 25.1 | 22.7 | 22.0 | 23.5 | 17.3 | 10.3 | 8.9 |
| Average temperature (°C) | 5.5 | 5.5 | 7.4 | 8.8 | 13.5 | 20.2 | 18.7 | 18.2 | 18.7 | 13.9 | 7.9 | 6.9 |
| Average night temperature (°C) | 3.2 | 2.2 | 4.1 | 4.6 | 8.5 | 14.5 | 14.4 | 14.2 | 13.9 | 10.7 | 5.6 | 4.7 |
| Absolute minimum temperature (°C) | -3.2 | -4.3 | -3.4 | -1.2 | 3.2 | 10.0 | 11.7 | 11.3 | 8.9 | 3.3 | -1.5 | -5.4 |
| 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) | 3.0 | 4.2 | 5.0 | 7.4 | 10.8 | 12.9 | 10.7 | 10.1 | 9.2 | 6.3 | 3.5 | 2.2 |
| Precipitation (mm) | 80 | 11 | 124 | 82 | 60 | 49 | 98 | 75 | 58 | 123 | 136 | 85 |
| Sunny days | 9 | 14 | 3 | 8 | 13 | 23 | 3 | 8 | 18 | 10 | 2 | 9 |
| Rainy days | 22 | 14 | 28 | 22 | 18 | 7 | 28 | 23 | 12 | 21 | 28 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heiken during the most sunny months:
Months with the longest average daylight duration in Heiken:
The largest precipitation sum in Heiken is at