Common information
List of largest cities in Swaziland
Weather, climate, temperature by months in Swaziland
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Average high, °C | 20 | 21 | 21 | 22 | 24 | 24 | 24 | 24 | 22 | 20 | 19 | 19 | 22 |
| Average temperature, °C | 19 | 20 | 21 | 23 | 23 | 23 | 22 | 20 | 18 | 15 | 15 | 17 | 20 |
| Average low, °C | 10 | 11 | 13 | 14 | 15 | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 13 |
| Average precipitation, mm. | 48 | 90 | 124 | 126 | 153 | 133 | 94 | 59 | 26 | 12 | 13 | 22 | 899 |
| Relative humidity, % | 63 | 67 | 72 | 72 | 73 | 74 | 74 | 73 | 66 | 61 | 59 | 60 | 68 |
| Wind speed, km/h | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 8 | 8 | 8 | 10 | 9 |
| Day Length, часов | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 11 | 11 | 11 | 12 | 13 |
| Dew point, °C | 12 | 14 | 16 | 17 | 18 | 18 | 17 | 15 | 11 | 8 | 7 | 9 | 162 |
| Growing degree-day, °C | 271 | 308 | 331 | 389 | 414 | 372 | 381 | 298 | 238 | 150 | 163 | 215 | 3529 |
| Solar radiation, global, Mj/m2 | 18 | 18 | 19 | 21 | 22 | 20 | 18 | 16 | 15 | 14 | 14 | 16 | 18 |