Average annual temperature is 20.0 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 1.1 °C
Number of sunny days: 339 days
Number of rainy days: 26 days
Look at detailed online map of Grootplaas
* Weather data for Grootplaas Namibia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 41.9 | 38.9 | 38.1 | 35.3 | 31.9 | 28.6 | 29.7 | 30.5 | 35.5 | 38.2 | 41.7 | 36.9 |
| Average daytime temperature (°C) | 36.1 | 33.8 | 30.6 | 28.9 | 23.0 | 19.5 | 19.9 | 23.6 | 23.5 | 30.1 | 33.9 | 32.6 |
| Average temperature (°C) | 26.6 | 25.0 | 21.8 | 21.1 | 16.2 | 12.9 | 13.0 | 16.5 | 15.7 | 21.8 | 25.4 | 23.8 |
| Average night temperature (°C) | 17.5 | 16.5 | 13.2 | 13.4 | 9.5 | 7.1 | 7.0 | 9.5 | 8.1 | 13.5 | 16.2 | 15.1 |
| Absolute minimum temperature (°C) | 10.7 | 12.6 | 9.1 | 4.9 | 4.3 | 3.3 | 1.1 | 4.4 | 1.7 | 7.2 | 8.1 | 9.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.2 | 11.4 | 10.7 | 10.4 | 10.6 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.6 | 11.9 | 11.4 | 10.4 | 9.1 | 9.0 | 9.3 | 10.0 | 10.3 | 11.4 | 12.4 | 12.7 |
| Precipitation (mm) | 0 | 2 | 0 | 0 | 5 | 17 | 4 | 0 | 7 | 10 | 0 | 1 |
| Sunny days | 31 | 25 | 31 | 29 | 28 | 25 | 28 | 30 | 26 | 28 | 29 | 29 |
| Rainy days | 0 | 3 | 0 | 1 | 3 | 5 | 3 | 1 | 4 | 3 | 1 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grootplaas is at