Johannesburg weather by month

Check out Johannesburg weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Johannesburg (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
79°F maximum daytime temperature in January in Johannesburg79
79°F maximum daytime temperature in February in Johannesburg79
77°F maximum daytime temperature in March in Johannesburg77
72°F maximum daytime temperature in April in Johannesburg72
68°F maximum daytime temperature in May in Johannesburg68
63°F maximum daytime temperature in June in Johannesburg63
64°F maximum daytime temperature in July in Johannesburg64
68°F maximum daytime temperature in August in Johannesburg68
73°F maximum daytime temperature in September in Johannesburg73
75°F maximum daytime temperature in October in Johannesburg75
77°F maximum daytime temperature in November in Johannesburg77
79°F maximum daytime temperature in December in Johannesburg79
Min temperature (night-time)
59°F minimum night-time temperature in January in Johannesburg59
59°F minimum night-time temperature in February in Johannesburg59
55°F minimum night-time temperature in March in Johannesburg55
50°F minimum night-time temperature in April in Johannesburg50
43°F minimum night-time temperature in May in Johannesburg43
37°F minimum night-time temperature in June in Johannesburg37
37°F minimum night-time temperature in July in Johannesburg37
41°F minimum night-time temperature in August in Johannesburg41
48°F minimum night-time temperature in September in Johannesburg48
54°F minimum night-time temperature in October in Johannesburg54
55°F minimum night-time temperature in November in Johannesburg55
57°F minimum night-time temperature in December in Johannesburg57
Heat & Humidity
Low heat & humidity in January in JohannesburgL
Low heat & humidity in February in JohannesburgL
No heat & humidity in March in Johannesburg0
No heat & humidity in April in Johannesburg0
No heat & humidity in May in Johannesburg0
No heat & humidity in June in Johannesburg0
No heat & humidity in July in Johannesburg0
No heat & humidity in August in Johannesburg0
No heat & humidity in September in Johannesburg0
No heat & humidity in October in Johannesburg0
No heat & humidity in November in Johannesburg0
Low heat & humidity in December in JohannesburgL

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Johannesburg

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
14 hours of daylight per day in January in Johannesburg14
13 hours of daylight per day in February in Johannesburg13
12 hours of daylight per day in March in Johannesburg12
11 hours of daylight per day in April in Johannesburg11
11 hours of daylight per day in May in Johannesburg11
11 hours of daylight per day in June in Johannesburg11
11 hours of daylight per day in July in Johannesburg11
11 hours of daylight per day in August in Johannesburg11
12 hours of daylight per day in September in Johannesburg12
13 hours of daylight per day in October in Johannesburg13
13 hours of daylight per day in November in Johannesburg13
14 hours of daylight per day in December in Johannesburg14
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Johannesburg11
UV (maximum) index 11+ (Extreme) in February in Johannesburg11
UV (maximum) index 11+ (Extreme) in March in Johannesburg11
UV (maximum) index 9 (Very High) in April in Johannesburg9
UV (maximum) index 6 (High) in May in Johannesburg6
UV (maximum) index 5 (Moderate) in June in Johannesburg5
UV (maximum) index 5 (Moderate) in July in Johannesburg5
UV (maximum) index 7 (High) in August in Johannesburg7
UV (maximum) index 9 (Very High) in September in Johannesburg9
UV (maximum) index 11 (Extreme) in October in Johannesburg11
UV (maximum) index 11+ (Extreme) in November in Johannesburg11
UV (maximum) index 11+ (Extreme) in December in Johannesburg11

Rainfall in Johannesburg

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
14 days with some rainfall in January in Johannesburg14
10 days with some rainfall in February in Johannesburg10
11 days with some rainfall in March in Johannesburg11
8 days with some rainfall in April in Johannesburg8
3 days with some rainfall in May in Johannesburg3
2 days with some rainfall in June in Johannesburg2
1 day with some rainfall in July in Johannesburg1
2 days with some rainfall in August in Johannesburg2
3 days with some rainfall in September in Johannesburg3
9 days with some rainfall in October in Johannesburg9
13 days with some rainfall in November in Johannesburg13
14 days with some rainfall in December in Johannesburg14
Average monthly rainfall (inches)
5.3 inches monthly rainfall in January in Johannesburg5.3
3.7 inches monthly rainfall in February in Johannesburg3.7
3.6 inches monthly rainfall in March in Johannesburg3.6
2.2 inches monthly rainfall in April in Johannesburg2.2
0.6 inches monthly rainfall in May in Johannesburg0.6
0.4 inches monthly rainfall in June in Johannesburg0.4
0.2 inches monthly rainfall in July in Johannesburg0.2
0.3 inches monthly rainfall in August in Johannesburg0.3
1.1 inches monthly rainfall in September in Johannesburg1.1
3.0 inches monthly rainfall in October in Johannesburg3.0
4.4 inches monthly rainfall in November in Johannesburg4.4
4.4 inches monthly rainfall in December in Johannesburg4.4

More about Johannesburg

Johannesburg by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for South Africa (Johannesburg) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Johannesburg?

Johannesburg has a temperate climate with warm summers and dry winters.

Metric (°C)  |  Imperial (°F)

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More about South Africa

Compare Johannesburg with the USA

Below the Johannesburg chart shows average maximum daytime temperature for Johannesburg, South Africa and the USA (Washington).

Maximum daytime temperature (°F)

Johannesburg, South Africa
USA (Washington)
79
41
79
45
77
55
72
66
68
75
63
84
64
88
68
86
73
79
75
68
77
57
79
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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