Average annual temperature is 23.1 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 332 days
Number of rainy days: 33 days
Look at detailed online map of Mariental
* Weather data for Mariental 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) | 38.6 | 37.5 | 37.4 | 35.1 | 33.0 | 29.7 | 29.6 | 32.2 | 37.8 | 39.1 | 39.6 | 39.5 |
| Average daytime temperature (°C) | 35.3 | 34.7 | 34.4 | 30.5 | 26.9 | 23.7 | 22.5 | 27.1 | 28.7 | 34.1 | 35.8 | 36.2 |
| Average temperature (°C) | 29.2 | 28.1 | 26.9 | 23.1 | 19.1 | 14.2 | 14.2 | 18.5 | 20.0 | 26.4 | 28.8 | 29.1 |
| Average night temperature (°C) | 21.6 | 20.1 | 17.8 | 14.7 | 10.8 | 5.1 | 5.9 | 9.6 | 10.2 | 17.4 | 20.6 | 20.9 |
| Absolute minimum temperature (°C) | 12.9 | 13.7 | 13.0 | 9.2 | 3.4 | 1.0 | -0.8 | 1.3 | 3.3 | 11.5 | 12.9 | 16.7 |
| 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) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 |
| 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) | 12.0 | 11.8 | 11.3 | 10.4 | 9.5 | 9.7 | 9.8 | 10.1 | 10.9 | 11.2 | 12.0 | 12.4 |
| Precipitation (mm) | 17 | 7 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
| Sunny days | 24 | 22 | 30 | 24 | 30 | 30 | 31 | 30 | 29 | 31 | 25 | 26 |
| Rainy days | 7 | 6 | 1 | 6 | 1 | 0 | 0 | 1 | 1 | 0 | 5 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mariental is at