Average annual temperature is 18.9 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -2.1 °C
Number of sunny days: 273 days
Number of rainy days: 92 days
Look at detailed online map of Geelblom
* Weather data for Geelblom 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) | 34.8 | 34.9 | 32.4 | 29.2 | 28.7 | 24.3 | 25.4 | 27.8 | 33.4 | 36.5 | 39.3 | 38.0 |
| Average daytime temperature (°C) | 31.4 | 29.2 | 28.3 | 25.4 | 22.2 | 19.0 | 18.5 | 22.6 | 26.3 | 30.1 | 33.3 | 32.8 |
| Average temperature (°C) | 24.7 | 22.6 | 21.4 | 17.7 | 14.9 | 11.1 | 10.7 | 14.0 | 17.7 | 21.9 | 25.4 | 25.3 |
| Average night temperature (°C) | 17.8 | 16.5 | 15.0 | 10.6 | 8.3 | 4.3 | 4.1 | 6.4 | 9.3 | 13.5 | 17.2 | 18.3 |
| Absolute minimum temperature (°C) | 13.1 | 11.3 | 9.9 | 4.5 | 2.1 | 0.2 | -2.1 | -1.4 | 1.6 | 6.9 | 6.8 | 12.9 |
| 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 | 13.0 | 12.2 | 11.4 | 10.8 | 10.4 | 10.6 | 11.2 | 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) | 12.7 | 10.4 | 10.8 | 10.4 | 9.3 | 9.4 | 9.5 | 10.3 | 10.7 | 10.9 | 11.7 | 11.3 |
| Precipitation (mm) | 28 | 64 | 24 | 27 | 23 | 6 | 0 | 0 | 9 | 23 | 7 | 84 |
| Sunny days | 19 | 11 | 18 | 23 | 24 | 28 | 30 | 31 | 25 | 24 | 22 | 18 |
| Rainy days | 12 | 17 | 13 | 7 | 7 | 2 | 1 | 0 | 5 | 7 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Geelblom is at