Average annual temperature is 16.5 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 4.1 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Swayimana
* Weather data for Swayimana 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) | 33.9 | 31.9 | 31.1 | 29.3 | 28.4 | 25.3 | 25.8 | 28.7 | 34.9 | 30.5 | 36.2 | 32.2 |
| Average daytime temperature (°C) | 26.6 | 24.4 | 24.5 | 23.4 | 19.7 | 18.9 | 18.4 | 20.5 | 22.7 | 20.5 | 25.2 | 23.0 |
| Average temperature (°C) | 20.7 | 19.7 | 19.3 | 17.2 | 14.5 | 12.9 | 12.3 | 13.8 | 15.6 | 15.4 | 18.8 | 18.1 |
| Average night temperature (°C) | 16.3 | 16.5 | 15.4 | 12.8 | 10.6 | 8.4 | 7.7 | 8.8 | 10.3 | 10.8 | 13.7 | 14.3 |
| Absolute minimum temperature (°C) | 10.6 | 13.5 | 10.4 | 8.0 | 6.0 | 5.1 | 4.1 | 4.1 | 4.7 | 4.7 | 5.2 | 10.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 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 | 10.5 | 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) | 10.0 | 7.8 | 9.3 | 9.0 | 8.0 | 9.0 | 8.1 | 9.2 | 9.0 | 7.6 | 9.4 | 7.3 |
| Precipitation (mm) | 172 | 264 | 72 | 44 | 95 | 6 | 25 | 36 | 43 | 153 | 67 | 205 |
| Sunny days | 9 | 5 | 8 | 18 | 16 | 22 | 22 | 22 | 16 | 11 | 12 | 4 |
| Rainy days | 22 | 23 | 23 | 12 | 15 | 8 | 9 | 9 | 14 | 20 | 18 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Swayimana is at