Average annual temperature is 19.6 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -2.2 °C
Number of sunny days: 305 days
Number of rainy days: 60 days
Look at detailed online map of Portsmut
* Weather data for Portsmut 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) | 34.1 | 33.5 | 32.8 | 29.4 | 27.0 | 23.8 | 25.0 | 27.9 | 32.0 | 36.2 | 35.7 | 34.6 |
| Average daytime temperature (°C) | 28.4 | 29.2 | 29.3 | 26.6 | 23.7 | 20.7 | 19.8 | 23.7 | 26.5 | 30.6 | 31.0 | 30.6 |
| Average temperature (°C) | 22.1 | 22.0 | 22.2 | 20.7 | 17.1 | 13.9 | 13.1 | 16.9 | 18.6 | 22.7 | 23.5 | 23.0 |
| Average night temperature (°C) | 16.8 | 15.5 | 15.5 | 14.7 | 10.4 | 7.4 | 6.3 | 10.1 | 10.3 | 15.2 | 16.6 | 16.0 |
| Absolute minimum temperature (°C) | 12.8 | 8.8 | 10.5 | 10.8 | 1.6 | -0.6 | -2.2 | 3.4 | 1.3 | 9.0 | 8.7 | 10.9 |
| 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) | 13.4 | 12.9 | 12.2 | 11.6 | 11.0 | 10.7 | 10.9 | 11.3 | 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 | 11.5 | 11.2 | 10.3 | 9.9 | 9.8 | 9.8 | 10.3 | 11.0 | 11.5 | 12.0 | 12.4 |
| Precipitation (mm) | 98 | 22 | 0 | 14 | 2 | 0 | 0 | 1 | 1 | 1 | 25 | 4 |
| Sunny days | 18 | 21 | 31 | 21 | 25 | 30 | 30 | 29 | 29 | 28 | 17 | 26 |
| Rainy days | 13 | 7 | 0 | 9 | 6 | 0 | 1 | 2 | 1 | 3 | 13 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Portsmut is at