Average annual temperature is 16.8 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of Swartwater
* Weather data for Swartwater 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) | 36.9 | 36.0 | 37.0 | 33.1 | 25.2 | 21.7 | 24.2 | 29.8 | 29.1 | 32.5 | 39.8 | 35.6 |
| Average daytime temperature (°C) | 28.2 | 28.5 | 26.2 | 22.8 | 19.4 | 16.3 | 16.8 | 19.1 | 17.6 | 25.5 | 27.0 | 27.3 |
| Average temperature (°C) | 21.6 | 21.9 | 19.8 | 16.4 | 13.8 | 12.6 | 11.2 | 13.1 | 12.6 | 18.5 | 19.7 | 21.0 |
| Average night temperature (°C) | 15.8 | 16.5 | 14.9 | 11.4 | 9.6 | 9.3 | 6.6 | 8.3 | 8.1 | 12.5 | 13.7 | 15.1 |
| Absolute minimum temperature (°C) | 13.1 | 10.5 | 11.5 | 5.9 | 3.6 | 3.5 | 2.1 | 3.6 | 1.3 | 9.0 | 10.7 | 11.9 |
| 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 | 11.3 | 10.4 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| 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) | 12.7 | 11.5 | 10.1 | 8.7 | 8.1 | 5.5 | 7.9 | 8.9 | 8.9 | 11.3 | 11.6 | 13.2 |
| Precipitation (mm) | 3 | 10 | 53 | 38 | 70 | 166 | 47 | 60 | 79 | 7 | 9 | 6 |
| Sunny days | 25 | 22 | 15 | 20 | 23 | 9 | 19 | 19 | 14 | 22 | 20 | 26 |
| Rainy days | 6 | 6 | 16 | 10 | 8 | 21 | 12 | 12 | 16 | 9 | 10 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Swartwater during the most sunny months:
The largest precipitation sum in Swartwater is at