Average annual temperature is 15.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 237 days
Number of rainy days: 128 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) | 32.2 | 29.5 | 28.4 | 25.6 | 24.0 | 21.5 | 23.1 | 25.6 | 31.5 | 32.8 | 34.8 | 32.6 |
| Average daytime temperature (°C) | 28.0 | 25.0 | 25.3 | 22.9 | 18.8 | 15.6 | 16.7 | 19.9 | 24.0 | 26.2 | 28.1 | 26.8 |
| Average temperature (°C) | 21.0 | 19.1 | 18.3 | 14.7 | 11.2 | 7.1 | 7.8 | 10.7 | 14.8 | 17.9 | 20.3 | 20.2 |
| Average night temperature (°C) | 14.5 | 13.8 | 12.1 | 7.3 | 5.1 | 0.3 | 0.6 | 2.2 | 6.0 | 9.9 | 12.5 | 14.2 |
| Absolute minimum temperature (°C) | 9.8 | 8.5 | 8.3 | 2.2 | -1.5 | -2.3 | -3.6 | -2.4 | 0.0 | 5.5 | 3.1 | 10.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 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 | 10.3 | 10.5 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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 | 9.8 | 10.6 | 10.3 | 9.0 | 9.2 | 9.2 | 10.0 | 10.3 | 10.7 | 11.5 | 11.5 |
| Precipitation (mm) | 77 | 132 | 48 | 17 | 57 | 5 | 1 | 0 | 16 | 72 | 28 | 124 |
| Sunny days | 14 | 9 | 15 | 22 | 19 | 27 | 26 | 29 | 25 | 21 | 21 | 9 |
| Rainy days | 17 | 19 | 16 | 8 | 12 | 3 | 5 | 2 | 5 | 10 | 9 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Excelsior is at