Average annual temperature is 22.8 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -1.5 °C
Number of sunny days: 308 days
Number of rainy days: 57 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) | 36.5 | 34.7 | 35.2 | 32.2 | 31.3 | 29.8 | 28.1 | 34.3 | 35.6 | 39.0 | 38.4 | 38.4 |
| Average daytime temperature (°C) | 31.8 | 29.8 | 31.3 | 30.1 | 28.2 | 25.2 | 22.5 | 27.1 | 31.1 | 35.1 | 34.9 | 34.6 |
| Average temperature (°C) | 25.7 | 23.8 | 25.3 | 23.4 | 20.6 | 16.2 | 14.7 | 18.7 | 22.6 | 27.1 | 27.9 | 28.1 |
| Average night temperature (°C) | 18.8 | 18.0 | 18.7 | 16.6 | 12.6 | 7.4 | 7.0 | 9.7 | 12.8 | 17.7 | 20.1 | 21.1 |
| Absolute minimum temperature (°C) | 13.5 | 14.8 | 15.2 | 12.2 | 6.2 | 0.1 | -1.5 | -0.4 | 3.1 | 13.4 | 13.9 | 17.4 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 10.9 | 11.4 | 12.0 | 12.6 | 13.2 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 12.3 | 10.6 | 10.7 | 10.2 | 10.1 | 10.0 | 10.1 | 10.5 | 11.0 | 11.2 | 11.6 | 11.9 |
| Precipitation (mm) | 15 | 79 | 15 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 24 | 28 |
| Sunny days | 21 | 13 | 26 | 25 | 30 | 30 | 31 | 31 | 30 | 28 | 21 | 22 |
| Rainy days | 10 | 15 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 3 | 9 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rietfontein is at