Average annual temperature is 14.9 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 220 days
Number of rainy days: 144 days
Number of snow days: 1 day
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) | 31.1 | 29.1 | 26.5 | 24.8 | 23.0 | 19.7 | 21.2 | 22.8 | 29.2 | 32.1 | 33.6 | 31.3 |
| Average daytime temperature (°C) | 26.3 | 23.9 | 24.0 | 21.3 | 17.3 | 14.1 | 14.9 | 18.7 | 22.1 | 24.7 | 26.7 | 25.9 |
| Average temperature (°C) | 20.0 | 18.3 | 17.4 | 14.4 | 11.0 | 7.9 | 7.9 | 11.1 | 14.5 | 17.1 | 19.9 | 19.5 |
| Average night temperature (°C) | 14.5 | 13.5 | 12.1 | 8.5 | 6.3 | 2.8 | 2.2 | 4.3 | 7.0 | 10.2 | 13.0 | 14.2 |
| Absolute minimum temperature (°C) | 8.8 | 9.1 | 6.9 | 3.1 | 0.4 | -1.0 | -3.5 | -2.3 | -0.4 | 5.7 | 4.2 | 10.4 |
| 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 | 10.3 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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) | 12.4 | 9.9 | 10.6 | 10.0 | 8.9 | 8.8 | 9.2 | 9.9 | 10.0 | 10.8 | 11.8 | 11.4 |
| Precipitation (mm) | 132 | 136 | 51 | 28 | 72 | 9 | 14 | 3 | 26 | 57 | 43 | 148 |
| Sunny days | 12 | 7 | 13 | 23 | 17 | 26 | 22 | 27 | 23 | 20 | 20 | 10 |
| Rainy days | 19 | 21 | 18 | 7 | 14 | 4 | 8 | 4 | 7 | 11 | 10 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Excelsior is at