Average annual temperature is 17.3 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 233 days
Number of rainy days: 132 days
Look at detailed online map of Happy Valley
* Weather data for Happy Valley 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) | 39.6 | 39.9 | 36.3 | 37.4 | 31.1 | 19.8 | 23.2 | 32.9 | 27.5 | 34.6 | 40.9 | 38.5 |
| Average daytime temperature (°C) | 32.1 | 30.4 | 27.0 | 24.5 | 20.4 | 16.7 | 17.1 | 21.4 | 20.1 | 25.1 | 31.4 | 29.9 |
| Average temperature (°C) | 23.0 | 22.5 | 20.3 | 17.1 | 13.9 | 12.3 | 10.9 | 13.7 | 13.8 | 17.6 | 21.8 | 21.6 |
| Average night temperature (°C) | 16.6 | 16.7 | 15.2 | 11.3 | 8.6 | 8.2 | 5.6 | 7.2 | 8.3 | 11.8 | 14.7 | 15.5 |
| Absolute minimum temperature (°C) | 12.5 | 11.4 | 10.5 | 6.6 | 2.7 | 3.4 | 0.4 | 1.7 | 2.8 | 7.3 | 11.1 | 10.8 |
| 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) | 14.1 | 13.3 | 12.3 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.0 | 10.4 | 9.8 | 8.9 | 7.4 | 6.3 | 8.3 | 9.2 | 8.9 | 10.2 | 11.7 | 11.6 |
| Precipitation (mm) | 12 | 19 | 84 | 23 | 72 | 87 | 17 | 7 | 49 | 28 | 2 | 15 |
| Sunny days | 23 | 17 | 17 | 18 | 18 | 13 | 21 | 24 | 19 | 17 | 23 | 23 |
| Rainy days | 8 | 11 | 14 | 12 | 13 | 17 | 10 | 7 | 11 | 14 | 7 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Happy Valley is at