Average annual temperature is 15.2 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 239 days
Number of rainy days: 126 days
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* Weather data for Annex 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) | 32.6 | 31.0 | 27.6 | 26.1 | 23.5 | 20.6 | 21.3 | 22.6 | 29.5 | 32.8 | 35.4 | 34.7 |
| Average daytime temperature (°C) | 28.1 | 25.6 | 25.1 | 22.3 | 17.9 | 14.5 | 15.1 | 18.6 | 22.1 | 25.5 | 28.5 | 27.5 |
| Average temperature (°C) | 21.2 | 19.3 | 18.2 | 14.7 | 11.0 | 7.5 | 7.6 | 10.7 | 14.2 | 17.5 | 21.0 | 20.3 |
| Average night temperature (°C) | 14.9 | 13.9 | 12.3 | 7.7 | 5.2 | 1.7 | 1.2 | 3.2 | 6.4 | 9.8 | 13.1 | 14.0 |
| Absolute minimum temperature (°C) | 8.2 | 9.0 | 7.4 | 2.9 | -1.1 | -2.1 | -4.1 | -2.1 | -0.8 | 4.6 | 4.3 | 10.0 |
| 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) | 12.2 | 10.3 | 10.5 | 10.0 | 8.9 | 8.9 | 9.0 | 10.0 | 10.2 | 10.8 | 11.8 | 11.3 |
| Precipitation (mm) | 83 | 99 | 93 | 17 | 52 | 12 | 10 | 0 | 29 | 47 | 9 | 141 |
| Sunny days | 15 | 8 | 10 | 24 | 20 | 25 | 26 | 30 | 25 | 21 | 22 | 13 |
| Rainy days | 16 | 20 | 21 | 6 | 11 | 5 | 5 | 1 | 5 | 10 | 8 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Annex is at