Average annual temperature is 19.4 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -3.0 °C
Number of sunny days: 289 days
Number of rainy days: 76 days
Look at detailed online map of Helen
* Weather data for Helen 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) | 31.8 | 32.5 | 31.5 | 29.3 | 25.4 | 24.1 | 24.4 | 28.1 | 31.6 | 35.6 | 34.9 | 35.1 |
| Average daytime temperature (°C) | 28.0 | 27.1 | 28.7 | 26.7 | 23.4 | 21.2 | 19.6 | 24.4 | 27.9 | 31.5 | 31.3 | 31.7 |
| Average temperature (°C) | 21.4 | 20.7 | 21.8 | 20.2 | 16.3 | 13.2 | 12.0 | 16.5 | 19.3 | 23.6 | 23.7 | 23.9 |
| Average night temperature (°C) | 16.0 | 14.6 | 14.7 | 13.6 | 9.2 | 5.8 | 4.8 | 9.2 | 10.5 | 15.7 | 16.6 | 16.4 |
| Absolute minimum temperature (°C) | 13.2 | 10.5 | 10.4 | 11.1 | 0.4 | -2.4 | -3.0 | 0.0 | 1.6 | 11.2 | 10.6 | 11.8 |
| 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 | 13.5 |
| 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) | 11.0 | 10.5 | 11.0 | 10.2 | 10.1 | 9.9 | 10.0 | 10.3 | 11.1 | 11.0 | 11.6 | 11.9 |
| Precipitation (mm) | 115 | 83 | 10 | 14 | 2 | 0 | 0 | 0 | 1 | 1 | 50 | 41 |
| Sunny days | 11 | 17 | 23 | 24 | 26 | 30 | 31 | 30 | 28 | 29 | 19 | 21 |
| Rainy days | 20 | 11 | 8 | 6 | 5 | 0 | 0 | 1 | 2 | 2 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Helen is at