CLIMATE
Climate of Cape Town, South Africa
Seasonal climate characteristics and practical weather context.
Climate of Cape Town, South Africa
NASA POWER’s 1991–2020 climatology for Cape Town, South Africa (-33.926, 18.423) gives an annual mean temperature of 17.1 °C and estimated annual precipitation of about 457 mm.
Temperature
February has the highest monthly mean temperature at 20.3 °C. August is coolest at 14.3 °C, a yearly monthly-mean range of 6.0 °C.
Precipitation
June has the highest estimated monthly total (about 83 mm); February has the lowest (about 10 mm). Monthly totals are estimated from NASA POWER’s mean daily precipitation rates.
Monthly averages
| Month | Mean temperature | Estimated precipitation |
|---|---|---|
| January | 20.0 °C | 12 mm |
| February | 20.3 °C | 10 mm |
| March | 19.4 °C | 16 mm |
| April | 17.7 °C | 37 mm |
| May | 16.5 °C | 49 mm |
| June | 15.1 °C | 83 mm |
| July | 14.3 °C | 75 mm |
| August | 14.3 °C | 66 mm |
| September | 14.9 °C | 39 mm |
| October | 16.2 °C | 30 mm |
| November | 17.4 °C | 27 mm |
| December | 19.1 °C | 13 mm |