Average annual temperature is 21.4 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 348 days
Number of rainy days: 17 days
Look at detailed online map of Kosis
* Weather data for Kosis 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) | 40.3 | 39.6 | 38.3 | 35.7 | 33.6 | 29.4 | 30.8 | 32.6 | 36.6 | 40.2 | 41.9 | 41.7 |
| Average daytime temperature (°C) | 36.8 | 35.9 | 33.8 | 30.4 | 25.2 | 22.0 | 22.0 | 25.9 | 26.2 | 32.7 | 35.9 | 35.5 |
| Average temperature (°C) | 28.4 | 26.9 | 24.0 | 22.0 | 17.0 | 13.3 | 13.6 | 17.2 | 17.3 | 23.9 | 27.5 | 26.2 |
| Average night temperature (°C) | 19.6 | 17.8 | 14.5 | 12.8 | 8.7 | 5.4 | 5.3 | 8.4 | 8.4 | 14.6 | 18.4 | 17.3 |
| Absolute minimum temperature (°C) | 9.9 | 11.0 | 9.7 | 5.3 | 2.0 | 2.1 | -1.6 | 3.8 | 2.9 | 7.9 | 10.0 | 11.5 |
| 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) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| 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) | 12.1 | 11.9 | 11.5 | 10.4 | 9.6 | 9.3 | 9.7 | 10.1 | 10.8 | 11.2 | 12.3 | 12.8 |
| Precipitation (mm) | 5 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 3 |
| Sunny days | 26 | 27 | 31 | 29 | 30 | 29 | 28 | 30 | 29 | 29 | 30 | 30 |
| Rainy days | 5 | 1 | 0 | 1 | 1 | 1 | 3 | 1 | 1 | 2 | 0 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kosis is at