Average annual temperature is 21.0 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 1.8 °C
Number of sunny days: 281 days
Number of rainy days: 84 days
Look at detailed online map of Northam
* Weather data for Northam South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.5 | 33.3 | 34.7 | 31.1 | 29.1 | 26.9 | 26.9 | 32.1 | 34.8 | 38.5 | 38.4 | 38.3 |
| Average daytime temperature (°C) | 31.5 | 28.5 | 30.5 | 27.2 | 24.0 | 22.2 | 21.0 | 25.0 | 30.9 | 31.8 | 32.4 | 32.6 |
| Average temperature (°C) | 25.4 | 23.2 | 24.2 | 20.2 | 17.0 | 13.9 | 13.3 | 16.8 | 22.2 | 24.0 | 25.4 | 26.2 |
| Average night temperature (°C) | 19.0 | 18.6 | 18.1 | 13.6 | 10.7 | 6.3 | 6.4 | 9.1 | 13.6 | 16.6 | 18.5 | 19.9 |
| Absolute minimum temperature (°C) | 15.5 | 15.8 | 13.5 | 10.1 | 5.3 | 3.2 | 1.8 | 3.5 | 8.1 | 11.0 | 10.4 | 15.4 |
| 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 | 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 | 10.7 | 11.3 | 11.9 | 12.7 | 13.3 | 13.7 |
| 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) | 12.2 | 10.8 | 10.6 | 10.3 | 9.6 | 9.7 | 9.6 | 10.4 | 11.1 | 10.5 | 11.1 | 11.1 |
| Precipitation (mm) | 25 | 90 | 29 | 0 | 46 | 1 | 6 | 0 | 0 | 87 | 27 | 124 |
| Sunny days | 21 | 9 | 22 | 27 | 22 | 28 | 29 | 31 | 29 | 23 | 22 | 18 |
| Rainy days | 10 | 19 | 9 | 3 | 9 | 2 | 2 | 0 | 1 | 8 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Northam is at