Average annual temperature is 14.5 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 233 days
Number of rainy days: 130 days
Number of snow days: 2 days
Look at detailed online map of Southwell
* Weather data for Southwell 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) | 34.3 | 31.6 | 30.4 | 26.7 | 23.6 | 19.5 | 20.4 | 22.8 | 30.4 | 31.7 | 36.8 | 35.3 |
| Average daytime temperature (°C) | 28.5 | 26.1 | 25.9 | 21.9 | 16.9 | 13.1 | 14.1 | 18.2 | 20.6 | 24.2 | 28.6 | 28.3 |
| Average temperature (°C) | 20.8 | 19.0 | 18.1 | 14.1 | 9.8 | 6.5 | 6.9 | 10.0 | 12.8 | 15.8 | 20.5 | 19.8 |
| Average night temperature (°C) | 13.7 | 12.9 | 11.4 | 7.0 | 4.0 | 1.0 | 0.7 | 2.4 | 5.1 | 7.9 | 11.9 | 12.8 |
| Absolute minimum temperature (°C) | 6.9 | 8.0 | 4.6 | 1.5 | -1.9 | -2.1 | -3.5 | -3.6 | -2.7 | 1.9 | 5.0 | 8.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.2 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.9 | 10.8 | 10.6 | 9.7 | 8.3 | 8.5 | 8.6 | 9.9 | 10.0 | 11.3 | 11.8 | 11.5 |
| Precipitation (mm) | 83 | 67 | 33 | 18 | 78 | 7 | 29 | 4 | 24 | 17 | 21 | 87 |
| Sunny days | 12 | 10 | 13 | 24 | 23 | 22 | 24 | 28 | 24 | 24 | 18 | 11 |
| Rainy days | 19 | 18 | 18 | 6 | 8 | 8 | 5 | 3 | 6 | 7 | 12 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Southwell is at