Average annual temperature is 11.2 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 112 days
Number of rainy days: 251 days
Number of snow days: 2 days
Look at detailed online map of Groot-Oever
* Weather data for Groot-Oever Netherlands is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.5 | 11.7 | 16.2 | 19.2 | 23.5 | 30.3 | 31.9 | 27.0 | 28.7 | 22.2 | 14.2 | 11.8 |
| Average daytime temperature (°C) | 7.2 | 8.4 | 9.6 | 12.6 | 17.6 | 24.5 | 21.6 | 21.5 | 22.2 | 15.7 | 9.4 | 7.7 |
| Average temperature (°C) | 5.1 | 5.1 | 6.2 | 8.1 | 12.9 | 19.0 | 17.8 | 17.2 | 17.6 | 12.8 | 6.9 | 5.8 |
| Average night temperature (°C) | 2.9 | 1.9 | 3.3 | 3.4 | 7.9 | 13.1 | 14.1 | 13.1 | 12.9 | 10.2 | 4.4 | 3.7 |
| Absolute minimum temperature (°C) | -4.2 | -4.6 | -5.0 | -3.5 | 2.1 | 8.1 | 10.1 | 9.7 | 8.0 | 3.2 | -2.9 | -5.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 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) | 8.3 | 9.9 | 11.9 | 14.0 | 15.8 | 16.8 | 16.3 | 14.7 | 12.7 | 10.6 | 8.8 | 7.7 |
| 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) | 2.8 | 4.2 | 5.1 | 8.4 | 10.5 | 13.1 | 11.5 | 10.0 | 9.2 | 5.1 | 3.8 | 1.8 |
| Precipitation (mm) | 125 | 42 | 114 | 90 | 65 | 37 | 156 | 117 | 63 | 165 | 137 | 166 |
| Sunny days | 9 | 13 | 5 | 10 | 15 | 19 | 3 | 5 | 17 | 5 | 3 | 8 |
| Rainy days | 22 | 15 | 26 | 20 | 16 | 11 | 28 | 26 | 13 | 26 | 26 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Groot-Oever during the most sunny months:
Months with the longest average daylight duration in Groot-Oever:
The largest precipitation sum in Groot-Oever is at