Average annual temperature is 15.4 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 233 days
Number of rainy days: 132 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) | 33.6 | 31.8 | 29.3 | 26.4 | 24.8 | 21.4 | 22.7 | 23.9 | 31.2 | 33.7 | 36.6 | 34.3 |
| Average daytime temperature (°C) | 28.5 | 26.1 | 26.2 | 22.6 | 18.6 | 15.6 | 16.2 | 20.0 | 23.3 | 26.4 | 29.3 | 28.0 |
| Average temperature (°C) | 21.0 | 19.5 | 18.4 | 14.3 | 10.9 | 7.9 | 8.0 | 10.8 | 14.5 | 17.7 | 21.1 | 20.6 |
| Average night temperature (°C) | 14.3 | 13.9 | 12.1 | 7.5 | 4.8 | 1.9 | 1.3 | 2.7 | 6.0 | 9.4 | 12.8 | 14.1 |
| Absolute minimum temperature (°C) | 7.0 | 9.5 | 6.3 | 1.6 | -2.1 | -1.5 | -4.5 | -3.5 | -0.9 | 4.7 | 5.5 | 9.9 |
| 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) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.2 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 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 | 13.0 |
| Sunshine mean duration (h) | 12.2 | 10.2 | 10.6 | 9.9 | 8.8 | 8.9 | 9.1 | 10.0 | 10.1 | 11.1 | 11.8 | 11.7 |
| Precipitation (mm) | 120 | 99 | 84 | 29 | 59 | 9 | 13 | 1 | 25 | 38 | 29 | 154 |
| Sunny days | 13 | 9 | 13 | 24 | 18 | 26 | 25 | 28 | 24 | 22 | 19 | 12 |
| Rainy days | 18 | 19 | 18 | 6 | 13 | 4 | 6 | 3 | 6 | 9 | 11 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Excelsior is at