Average annual temperature is 20.0 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 312 days
Number of rainy days: 53 days
Look at detailed online map of Constantia
* Weather data for Constantia 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) | 41.3 | 38.2 | 36.6 | 31.7 | 30.2 | 24.9 | 24.5 | 29.1 | 35.9 | 38.5 | 40.6 | 39.6 |
| Average daytime temperature (°C) | 36.3 | 34.2 | 30.6 | 26.5 | 21.4 | 17.2 | 18.4 | 22.3 | 22.8 | 29.3 | 33.7 | 33.0 |
| Average temperature (°C) | 29.5 | 27.2 | 23.6 | 19.2 | 14.1 | 10.7 | 11.1 | 15.1 | 15.3 | 22.0 | 26.5 | 26.3 |
| Average night temperature (°C) | 21.2 | 19.3 | 15.8 | 11.1 | 6.8 | 4.8 | 4.2 | 7.5 | 6.6 | 13.1 | 17.2 | 18.4 |
| Absolute minimum temperature (°C) | 13.1 | 12.3 | 9.4 | 5.9 | 0.7 | -0.8 | -0.7 | 0.8 | -1.2 | 7.0 | 10.6 | 12.8 |
| 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 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.2 | 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) | 12.7 | 12.0 | 10.9 | 10.2 | 9.1 | 7.9 | 8.9 | 10.1 | 10.4 | 11.4 | 12.3 | 12.4 |
| Precipitation (mm) | 1 | 3 | 5 | 20 | 28 | 19 | 4 | 2 | 14 | 11 | 1 | 74 |
| Sunny days | 28 | 24 | 25 | 29 | 23 | 25 | 25 | 26 | 27 | 27 | 28 | 25 |
| Rainy days | 3 | 4 | 6 | 1 | 8 | 5 | 6 | 5 | 3 | 4 | 2 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Constantia is at