Johannesburg
South Africa
Common information
- Country
- South Africa
- Population
- 12,449
Weather, climate, temperature by months in Zastron
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Average high, °C | 22 | 24 | 26 | 28 | 29 | 27 | 25 | 21 | 18 | 15 | 16 | 18 | 22 |
| Average temperature, °C | 14 | 16 | 18 | 21 | 22 | 20 | 19 | 15 | 11 | 8 | 8 | 10 | 15 |
| Average low, °C | 7 | 9 | 12 | 13 | 15 | 14 | 12 | 8 | 4 | 1 | 1 | 2 | 8 |
| Average precipitation, mm. | 30 | 60 | 72 | 78 | 99 | 100 | 97 | 67 | 29 | 20 | 14 | 22 | 685 |
| Relative humidity, % | 47 | 50 | 52 | 51 | 53 | 58 | 61 | 63 | 59 | 60 | 56 | 48 | 55 |
| Wind speed, km/h | 11 | 12 | 12 | 12 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 10 |
| Day Length, часов | 12 | 13 | 14 | 15 | 14 | 14 | 13 | 13 | 11 | 11 | 11 | 12 | 13 |
| Dew point, °C | 3 | 6 | 8 | 10 | 11 | 12 | 11 | 8 | 3 | 0 | -0 | -1 | 71 |
| Growing degree-day, °C | 123 | 186 | 252 | 326 | 357 | 294 | 264 | 138 | 16 | 0 | 0 | 0 | 1954 |
| Solar radiation, global, Mj/m2 | 21 | 23 | 25 | 27 | 26 | 23 | 20 | 17 | 15 | 13 | 14 | 17 | 20 |