Average annual temperature is 12.7 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -5.2 °C
Number of sunny days: 205 days
Number of rainy days: 157 days
Number of snow days: 3 days
Look at detailed online map of Alva
* Weather data for Alva 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) | 31.7 | 28.0 | 26.9 | 24.4 | 21.0 | 16.7 | 18.1 | 20.5 | 28.0 | 28.8 | 34.1 | 31.7 |
| Average daytime temperature (°C) | 25.2 | 22.6 | 23.1 | 19.2 | 14.3 | 10.9 | 11.6 | 15.9 | 18.4 | 20.3 | 25.6 | 24.6 |
| Average temperature (°C) | 18.5 | 16.5 | 16.1 | 12.7 | 8.7 | 5.8 | 5.9 | 9.3 | 11.4 | 12.8 | 17.9 | 16.6 |
| Average night temperature (°C) | 12.7 | 11.4 | 10.5 | 7.0 | 4.4 | 1.7 | 0.9 | 3.3 | 4.7 | 6.3 | 10.3 | 10.4 |
| Absolute minimum temperature (°C) | 5.5 | 6.4 | 3.4 | 0.2 | -1.9 | -3.1 | -4.5 | -4.3 | -5.2 | -1.1 | 3.0 | 6.2 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 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 | 14.0 |
| Sunshine mean duration (h) | 11.1 | 10.4 | 10.6 | 9.9 | 8.1 | 8.2 | 8.5 | 9.7 | 9.8 | 10.3 | 11.6 | 10.8 |
| Precipitation (mm) | 144 | 114 | 41 | 8 | 91 | 6 | 14 | 2 | 41 | 26 | 32 | 90 |
| Sunny days | 9 | 7 | 11 | 21 | 18 | 23 | 23 | 29 | 23 | 18 | 17 | 6 |
| Rainy days | 22 | 21 | 20 | 9 | 13 | 7 | 5 | 2 | 7 | 13 | 13 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alva is at