Climate averages 1991–2020

Weather in South Africa.

ClimaNote covers 95 cities in South Africa, starting with Johannesburg, Cape Town and Durban. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 20.2°C in George to 28.5°C in Upington, and yearly rainfall from 209 mm in Upington to 1,024 mm in Ladysmith. The hottest city-month is January in Upington, with an average high of 35.2°C, and the coolest is June in Phuthaditjhaba, at 15.1°C (tied with July in Phuthaditjhaba). By single month, the most rain falls in December in Ladysmith, with 179 mm (tied with January in Thohoyandou), and the least in July in Mafikeng, with 2.4 mm.

February is the warmest month in 26 cities, October in 26, January in 16, December in 11 and November in 1 (in 15 other cities two or more months tie); June is the coolest in 58 cities, July in 23 and August in 2 (in 12 other cities two or more months tie). December is the wettest month in 50 cities, January in 21, November in 9, June in 6, March in 4 and February in 1 (in 4 other cities two or more months tie); July is the driest in 57 cities, June in 19, February in 6, August in 3 and January in 1 (in 9 other cities two or more months tie). None of these cities has a month with an average high below 2.0°C, a month with under 1 mm of rain or a month with more than 300 mm of rain.