Average annual temperature is 17.6 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 4.9 °C
Number of sunny days: 151 days
Number of rainy days: 214 days
Look at detailed online map of Mount Nelson
* Weather data for Mount Nelson 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) | 35.7 | 33.8 | 32.0 | 31.5 | 29.7 | 26.1 | 27.7 | 30.0 | 35.8 | 35.0 | 34.9 | 29.7 |
| Average daytime temperature (°C) | 26.7 | 25.4 | 25.1 | 23.9 | 20.3 | 19.0 | 19.4 | 21.8 | 21.7 | 20.6 | 25.0 | 22.4 |
| Average temperature (°C) | 22.1 | 21.3 | 20.6 | 18.6 | 15.6 | 14.1 | 13.7 | 15.7 | 16.0 | 16.1 | 19.3 | 18.8 |
| Average night temperature (°C) | 17.8 | 17.8 | 16.9 | 14.2 | 11.8 | 9.8 | 8.9 | 10.7 | 11.5 | 12.1 | 14.7 | 15.5 |
| Absolute minimum temperature (°C) | 12.2 | 13.6 | 12.1 | 9.8 | 7.5 | 6.8 | 4.9 | 6.6 | 6.5 | 6.8 | 8.9 | 12.7 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 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) | 9.2 | 7.3 | 8.2 | 8.6 | 6.9 | 7.5 | 8.8 | 8.7 | 7.8 | 7.5 | 9.1 | 6.4 |
| Precipitation (mm) | 193 | 217 | 84 | 44 | 191 | 34 | 25 | 9 | 77 | 239 | 68 | 211 |
| Sunny days | 12 | 3 | 9 | 14 | 15 | 22 | 21 | 20 | 16 | 7 | 10 | 2 |
| Rainy days | 19 | 25 | 22 | 16 | 16 | 8 | 10 | 11 | 14 | 24 | 20 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mount Nelson is at