Average annual temperature is 18.4 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 5.1 °C
Number of sunny days: 174 days
Number of rainy days: 191 days
Look at detailed online map of Mahlalini
* Weather data for Mahlalini 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) | 31.7 | 29.2 | 30.4 | 29.4 | 28.1 | 28.5 | 28.3 | 32.7 | 34.2 | 33.9 | 34.1 | 30.4 |
| Average daytime temperature (°C) | 27.0 | 25.0 | 25.2 | 25.0 | 21.5 | 22.2 | 20.8 | 22.7 | 26.4 | 23.5 | 26.4 | 24.8 |
| Average temperature (°C) | 21.8 | 20.6 | 20.4 | 19.2 | 16.3 | 15.6 | 13.9 | 15.3 | 19.1 | 17.9 | 20.8 | 20.2 |
| Average night temperature (°C) | 16.8 | 17.4 | 16.2 | 14.2 | 12.4 | 10.6 | 8.7 | 9.1 | 12.5 | 13.1 | 15.8 | 16.1 |
| Absolute minimum temperature (°C) | 11.8 | 13.3 | 10.5 | 10.6 | 8.0 | 7.7 | 5.3 | 5.1 | 8.5 | 7.4 | 9.4 | 12.4 |
| 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 | 11.4 | 10.8 | 10.5 | 10.6 | 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) | 10.5 | 8.3 | 10.1 | 10.0 | 8.5 | 9.5 | 8.7 | 9.1 | 9.4 | 7.3 | 9.4 | 7.3 |
| Precipitation (mm) | 90 | 316 | 56 | 18 | 94 | 11 | 10 | 4 | 15 | 101 | 56 | 170 |
| Sunny days | 18 | 1 | 6 | 16 | 14 | 25 | 25 | 25 | 19 | 8 | 9 | 8 |
| Rainy days | 13 | 27 | 25 | 14 | 17 | 5 | 6 | 6 | 11 | 23 | 21 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mahlalini is at