Climate normals · 1970–2000
Johannesburg Climate
Johannesburg is a city in South Africa (06) with a population of about 9,418,183. Its average annual temperature is 15.4°C (60°F), with roughly 750 mm of rain per year.
15.4°C
Avg Temp
750
Precip (mm/yr)
Jan
Hottest Month
Jun
Coldest Month
Johannesburg Climate
Johannesburg has an average annual temperature of 15.4°C (60°F) and receives about 750 mm of precipitation per year. The warmest month is January and the coldest is June. Figures are 1970–2000 climate normals.
15.4°C
Avg Temp
750
Precip (mm/yr)
Jan
Hottest Month
Jun
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 20° / 68° | 139 mm |
| February | 19° / 67° | 99 mm |
| March | 18° / 65° | 96 mm |
| April | 15° / 60° | 52 mm |
| May | 12° / 54° | 14 mm |
| June | 9° / 48° | 6 mm |
| July | 9° / 48° | 4 mm |
| August | 12° / 53° | 8 mm |
| September | 15° / 60° | 29 mm |
| October | 17° / 63° | 71 mm |
| November | 18° / 65° | 112 mm |
| December | 19° / 67° | 120 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Johannesburg
The most comfortable months to visit Johannesburg are typically February, September and October, when temperatures are mildest and rainfall is relatively low. The hottest month is January (around 26°C high). The coldest is June (near 2°C low). January is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Johannesburg are typically February, September and October, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Johannesburg, South Africa has an average annual temperature of 15.4°C and about 750 mm of precipitation per year. The warmest month is January and the coldest is June.
In January, the hottest month, daily highs in Johannesburg average about 26°C (78°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.