Average annual temperature is 21.7 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 268 days
Number of rainy days: 97 days
Look at detailed online map of Rietfontein
* Weather data for Rietfontein 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) | 31.5 | 31.5 | 32.0 | 29.0 | 28.2 | 27.8 | 26.2 | 32.2 | 33.4 | 36.4 | 37.5 | 36.3 |
| Average daytime temperature (°C) | 28.0 | 27.9 | 28.8 | 27.4 | 26.7 | 24.4 | 21.6 | 26.5 | 30.6 | 33.7 | 32.5 | 32.1 |
| Average temperature (°C) | 22.0 | 22.1 | 23.0 | 21.8 | 20.5 | 17.1 | 14.6 | 19.2 | 22.8 | 26.3 | 25.4 | 25.3 |
| Average night temperature (°C) | 17.0 | 16.9 | 17.3 | 16.7 | 14.8 | 10.8 | 8.6 | 12.5 | 14.8 | 18.3 | 18.9 | 18.6 |
| Absolute minimum temperature (°C) | 13.9 | 13.5 | 15.0 | 12.9 | 9.5 | 1.4 | 0.8 | 3.5 | 7.1 | 14.1 | 15.6 | 14.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.7 | 12.2 | 11.6 | 11.2 | 11.0 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.9 | 10.6 | 10.8 | 10.2 | 10.4 | 10.1 | 10.2 | 10.4 | 10.8 | 10.8 | 11.1 | 11.4 |
| Precipitation (mm) | 118 | 86 | 16 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 52 | 39 |
| Sunny days | 12 | 17 | 15 | 20 | 28 | 30 | 31 | 30 | 30 | 27 | 10 | 18 |
| Rainy days | 19 | 11 | 16 | 10 | 3 | 0 | 0 | 1 | 0 | 4 | 20 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rietfontein is at