Average annual temperature is 11.8 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 115 days
Number of rainy days: 250 days
Look at detailed online map of Riek
* Weather data for Riek 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) | 14.2 | 11.3 | 16.1 | 16.8 | 22.5 | 30.6 | 31.2 | 26.2 | 31.2 | 24.6 | 15.2 | 12.6 |
| Average daytime temperature (°C) | 7.8 | 8.8 | 10.4 | 12.1 | 16.8 | 24.3 | 22.2 | 21.4 | 22.9 | 17.1 | 10.3 | 9.1 |
| Average temperature (°C) | 5.6 | 5.5 | 7.3 | 8.4 | 12.6 | 19.1 | 18.2 | 17.6 | 18.4 | 13.7 | 8.0 | 7.0 |
| Average night temperature (°C) | 3.2 | 2.4 | 4.0 | 4.5 | 8.2 | 13.7 | 14.2 | 13.8 | 14.1 | 10.7 | 5.8 | 4.7 |
| Absolute minimum temperature (°C) | -4.1 | -3.9 | -1.9 | -1.8 | 3.3 | 9.7 | 11.5 | 10.7 | 9.6 | 3.8 | -2.1 | -4.6 |
| 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 | 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) | 3.8 | 4.3 | 4.7 | 8.3 | 11.0 | 13.0 | 10.9 | 10.7 | 8.9 | 6.4 | 3.4 | 2.2 |
| Precipitation (mm) | 100 | 10 | 143 | 81 | 47 | 39 | 114 | 100 | 76 | 125 | 152 | 90 |
| Sunny days | 6 | 15 | 4 | 9 | 16 | 17 | 5 | 7 | 17 | 9 | 3 | 7 |
| Rainy days | 25 | 13 | 27 | 21 | 15 | 13 | 26 | 24 | 13 | 22 | 27 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Riek during the most sunny months:
Months with the longest average daylight duration in Riek:
The largest precipitation sum in Riek is at