Average annual temperature is 17.6 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 251 days
Number of rainy days: 114 days
Look at detailed online map of Excelsior
* Weather data for Excelsior 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) | 33.8 | 34.5 | 30.9 | 28.2 | 26.6 | 23.1 | 24.5 | 27.7 | 33.2 | 35.6 | 38.3 | 36.9 |
| Average daytime temperature (°C) | 30.2 | 27.9 | 27.4 | 24.3 | 20.5 | 17.1 | 17.6 | 21.3 | 25.4 | 28.8 | 31.7 | 30.4 |
| Average temperature (°C) | 23.6 | 21.7 | 20.6 | 16.5 | 13.1 | 9.4 | 9.6 | 12.7 | 16.7 | 20.6 | 23.8 | 23.2 |
| Average night temperature (°C) | 17.0 | 16.0 | 14.5 | 9.5 | 7.2 | 2.9 | 3.1 | 5.0 | 8.3 | 12.5 | 15.8 | 16.7 |
| Absolute minimum temperature (°C) | 12.7 | 11.7 | 10.7 | 4.3 | 1.9 | -0.1 | -2.3 | -1.3 | 1.3 | 6.7 | 5.7 | 11.6 |
| 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) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.4 | 10.5 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| 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) | 12.6 | 10.6 | 10.7 | 10.4 | 9.1 | 9.3 | 9.4 | 10.1 | 10.4 | 10.8 | 11.7 | 11.1 |
| Precipitation (mm) | 42 | 62 | 27 | 9 | 38 | 2 | 4 | 0 | 10 | 40 | 15 | 142 |
| Sunny days | 18 | 10 | 13 | 20 | 20 | 27 | 28 | 31 | 26 | 22 | 20 | 16 |
| Rainy days | 13 | 18 | 18 | 10 | 11 | 3 | 3 | 0 | 4 | 9 | 10 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Excelsior is at