Average annual temperature is 16.5 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 177 days
Number of rainy days: 188 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) | 30.6 | 28.0 | 28.9 | 27.1 | 25.7 | 24.6 | 24.2 | 29.9 | 32.4 | 33.6 | 31.9 | 30.7 |
| Average daytime temperature (°C) | 25.7 | 23.8 | 24.4 | 23.9 | 20.8 | 20.7 | 18.4 | 21.6 | 26.3 | 24.8 | 26.4 | 25.2 |
| Average temperature (°C) | 19.6 | 19.1 | 18.6 | 17.0 | 14.4 | 12.7 | 10.7 | 13.1 | 17.4 | 17.1 | 18.9 | 19.3 |
| Average night temperature (°C) | 14.1 | 15.7 | 13.9 | 11.4 | 9.8 | 6.6 | 4.8 | 5.9 | 9.9 | 11.2 | 13.1 | 14.6 |
| Absolute minimum temperature (°C) | 10.8 | 11.9 | 11.5 | 8.0 | 6.0 | 3.0 | 0.4 | 1.6 | 4.7 | 5.2 | 7.6 | 11.1 |
| 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 | 13.0 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 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) | 11.1 | 9.2 | 10.1 | 10.0 | 9.0 | 9.7 | 8.7 | 9.8 | 10.1 | 8.8 | 10.5 | 9.4 |
| Precipitation (mm) | 116 | 364 | 78 | 29 | 76 | 1 | 30 | 8 | 14 | 105 | 120 | 179 |
| Sunny days | 16 | 2 | 10 | 17 | 13 | 24 | 23 | 22 | 22 | 13 | 7 | 8 |
| Rainy days | 15 | 26 | 21 | 13 | 18 | 6 | 8 | 9 | 8 | 18 | 23 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Excelsior is at