Average annual temperature is 12.0 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 106 days
Number of rainy days: 259 days
Look at detailed online map of Heist
* Weather data for Heist 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) | 14.0 | 11.1 | 15.6 | 16.0 | 21.8 | 30.3 | 29.3 | 25.1 | 31.4 | 24.4 | 15.2 | 12.4 |
| Average daytime temperature (°C) | 8.0 | 8.5 | 10.1 | 11.5 | 15.5 | 22.5 | 21.3 | 20.4 | 22.5 | 17.0 | 10.7 | 9.2 |
| Average temperature (°C) | 6.2 | 5.8 | 7.5 | 8.6 | 12.5 | 18.7 | 18.2 | 17.7 | 18.6 | 14.2 | 8.7 | 7.4 |
| Average night temperature (°C) | 4.1 | 3.2 | 4.9 | 5.5 | 9.4 | 14.7 | 15.1 | 14.7 | 14.6 | 11.6 | 6.6 | 5.4 |
| Absolute minimum temperature (°C) | -1.8 | -3.0 | 0.1 | -1.3 | 5.1 | 10.5 | 12.6 | 12.6 | 10.3 | 6.0 | -2.2 | -3.7 |
| 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 | 4.3 | 4.8 | 8.8 | 11.6 | 13.0 | 11.0 | 10.7 | 8.9 | 6.2 | 3.8 | 2.3 |
| Precipitation (mm) | 110 | 14 | 152 | 73 | 45 | 26 | 106 | 115 | 66 | 116 | 178 | 97 |
| Sunny days | 5 | 13 | 3 | 8 | 19 | 20 | 3 | 5 | 14 | 10 | 1 | 5 |
| Rainy days | 26 | 15 | 28 | 22 | 12 | 10 | 28 | 26 | 16 | 21 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heist during the most sunny months:
Months with the longest average daylight duration in Heist:
The largest precipitation sum in Heist is at