Average annual temperature is 20.6 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 5.8 °C
Number of sunny days: 189 days
Number of rainy days: 176 days
Look at detailed online map of Mthongwaneni
* Weather data for Mthongwaneni Swaziland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.9 | 32.9 | 31.5 | 32.5 | 29.4 | 31.0 | 28.2 | 32.9 | 37.2 | 36.2 | 37.3 | 33.6 |
| Average daytime temperature (°C) | 30.4 | 27.4 | 27.7 | 27.2 | 23.9 | 24.1 | 22.4 | 24.4 | 29.1 | 26.5 | 28.9 | 27.9 |
| Average temperature (°C) | 24.6 | 23.1 | 22.8 | 21.2 | 18.4 | 16.9 | 15.3 | 17.2 | 21.3 | 20.7 | 23.3 | 23.0 |
| Average night temperature (°C) | 19.3 | 19.8 | 18.2 | 15.7 | 13.7 | 10.9 | 9.4 | 10.7 | 14.4 | 15.4 | 18.1 | 18.7 |
| Absolute minimum temperature (°C) | 13.8 | 15.3 | 13.6 | 12.3 | 9.6 | 7.8 | 5.8 | 7.0 | 9.5 | 11.1 | 12.6 | 15.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.9 | 8.7 | 10.3 | 10.0 | 8.7 | 9.6 | 8.8 | 8.8 | 9.1 | 6.9 | 9.4 | 7.9 |
| Precipitation (mm) | 88 | 436 | 58 | 16 | 56 | 3 | 28 | 4 | 18 | 79 | 30 | 127 |
| Sunny days | 16 | 2 | 9 | 18 | 13 | 26 | 24 | 25 | 21 | 14 | 14 | 7 |
| Rainy days | 15 | 26 | 22 | 12 | 18 | 4 | 7 | 6 | 9 | 17 | 16 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mthongwaneni is at