WEATHER IN Johannesburg
Climate tables. Data for Johannesburg.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | 6.0 (2001) | 15.1 | 19.9 | 25.8 | 35.9 (2016) |
| february | 7.8 (1991) | 14.9 | 19.7 | 25.8 | 38.0 (1978) |
| march | -4.3 (2025) | 13.6 | 18.6 | 24.5 | 32.3 (2024) |
| april | -0.6 (2007) | 10.6 | 16.0 | 21.9 | 29.3 (1987) |
| may | -4.7 (2005) | 7.7 | 13.5 | 19.8 | 30.6 (2003) |
| june | -7.0 (1979) | 4.7 | 10.7 | 17.4 | 27.1 (2018) |
| july | -6.3 (1995) | 4.2 | 10.5 | 17.4 | 24.4 (1988) |
| august | -7.0 (2003) | 6.5 | 13.1 | 20.2 | 28.9 (1960) |
| september | -2.0 (1981) | 9.9 | 16.7 | 23.9 | 32.8 (2018) |
| october | 0.5 (2017) | 11.9 | 18.2 | 25.3 | 34.1 (2011) |
| november | 0.0 (2005) | 13.1 | 18.7 | 25.1 | 33.6 (2005) |
| december | 3.9 (1994) | 14.6 | 19.6 | 25.7 | 34.1 (2018) |
| year | () | () |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 125 | 17 (2018) | 338 (1972) | 100 (2024) |
| february | 87 | 0.0 (2018) | 263 (2000) | 300 (1990) |
| march | 85 | 0.0 (2018) | 335 (1997) | 73 (1997) |
| april | 39 | 0.0 (1956) | 132 (2020) | 64 (2020) |
| may | 23 | 0.0 (1962) | 112 (1995) | 108 (1995) |
| june | 6 | 0.0 (1953) | 60 (1963) | 28 (1989) |
| july | 1 | 0.0 (1949) | 66 (1957) | 18 (1986) |
| august | 9 | 0.0 (1949) | 90 (1993) | 90 (1993) |
| september | 15 | 0.0 (1952) | 175 (1987) | 62 (1987) |
| october | 67 | 3 (2019) | 199 (1964) | 120 (2020) |
| november | 85 | 13 (1951) | 242 (1949) | 66 (1997) |
| december | 142 | 27 (1978) | 465 (1991) | 371 (1991) |
| year | () | () | () |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |