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Climate & Temperature > South Africa > Johannesburg Climate
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Johannesburg Climate & Temperature

  • Johannesburg, South Africa is at 26°8'S, 28°13'E, 1694 m (5558 ft). See map.
  • Johannesburg has a mid-latitude steppe/ semi-arid cool climate (Köppen-Geiger classification: BSk).
  • According to the Holdridge life zones system of bioclimatic classification Johannesburg is situated in or near the warm temperate dry forest biome.
  • The annual average temperature is 16.2 degrees Celsius (61.2 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 10 °C (18°F). This indicates that the continentality type is hyperoceanic, subtype barely hyperoceanic.
  • Total annual Precipitation averages 543 mm (21.4 inches) which is equivalent to 543 Litres/m² (13.32 Gallons/ft²).
  • On average there are 3182 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Johannesburg you would pop up nearest to the climate station at Kahului, Maui, Hawaii where you would find a Tropical wet and dry/ savanna climate (Subtropical dry forest biome).

Climate Variable Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Annual
 
Average Max Temperature °C ( °F) 17 (63) 20 (68) 23 (73) 25 (77) 25 (77) 26 (79) 26 (79) 25 (77) 24 (75) 22 (72) 19 (66) 17 (63) 22 (72)
 
Average Temperature °C ( °F) 11 (51) 13 (55) 16 (61) 19 (65) 19 (66) 20 (68) 21 (69) 20 (67) 19 (65) 16 (61) 13 (55) 11 (51) 16 (61)
 
Average Min Temperature °C ( °F) 4 (39) 6 (43) 9 (48) 12 (54) 13 (55) 14 (57) 15 (59) 14 (57) 13 (55) 10 (50) 6 (43) 4 (39) 10 (50)
 
Average Precipitation mm (in) 4 (0) 6 (0) 27 (1) 7 (0) 11 (0) 103 (4) 125 (5) 94 (4) 90 (4) 54 (2) 13 (1) 9 (0) 543 (21)
Number of Wet Days (probability of rain on a day) 2 (6%) 2 (6%) 4 (13%) 9 (29%) 13 (43%) 15 (48%) 15 (48%) 12 (42%) 12 (39%) 7 (23%) 4 (13%) 1 (3%)   96 (26%)
Average Sunlight Hours/ Day 09:05 09:42 09:12 08:42 09:06 09:00 08:11 07:45 07:25 08:18 09:00 09:00   08:42
Average Daylight Hours & Minutes/ Day 10h 39' 11h 13' 11h 58' 12h 46' 13h 25' 13h 44' 13h 33' 13h 01' 12h 17' 11h 30' 10h 50' 10h 31'   12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 86 (14) 87 (13) 78 (22) 69 (31) 68 (32) 66 (34) 61 (39) 60 (40) 61 (39) 73 (27) 84 (16) 87 (13)   73 (27)
Sun altitude at solar noon on the 21st day (°). 43.4 51.8 63.2 74.2 83 87.2 83.2 74 63.5 52 43.7 40.4   63.3

Johannesburg Climate Comparisons

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Johannesburg Climate Graph in Metric Units

Johannesburg Climate Graph

Johannesburg Climograph in English Units

Johannesburg Climate Graph

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