Johannesburg, Gauteng, South Africa Climate

Weather: 25.61°C/78.1°F, Wind SW at 1.03 km/h, 32% Humidity, 0% Chance of rain

South Africa
(Photo by Anaya Katlego on Unsplash)
Contents

Johannesburg Climate Summary

Located at an elevation of 1755.08 meters (5758.14 feet) above sea level, Johannesburg has a Temperate highland tropical climate with dry winters climate (Classification: Cwb). The district’s yearly temperature is 22.17ºC (71.91ºF) and it is 0.95% higher than South Africa’s averages. Johannesburg typically receives about 60.26 millimeters (2.37 inches) of precipitation and has 101.43 rainy days (27.79% of the time) annually.

CountrySouth Africa
CityGauteng
Longitude28.0473051
Latitude-26.2041028
Attitude/Elevation1755.08m (5758.14ft)
Local timeWednesday 21:31
Annual high temperature26.32ºC (79.38ºF)
Annual low temperature13.78ºC (56.8ºF)
Average annual precip.60.26mm (2.37in)
Warmest monthJanuary (30.07ºC / 86.13ºF)
Coldest MonthJuly (7.87ºC / 46.17ºF)
Wettest MonthJanuary (155.79mm / 6.13in)
Driest MonthJuly (2.41mm / 0.09in)
Number of days with rainfall (≥ 1.0 mm)101.43 days (27.79%)
Days with no rain263.57 days (72.21%)
Humidity53.93%

Climate Johannesburg: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)42.96(109.33)40.81(105.46)37.59(99.66)32.22(90.0)33.29(91.92)27.92(82.26)27.92(82.26)34.37(93.87)37.59(99.66)37.59(99.66)37.59(99.66)37.59(99.66)42.96(109.33)
Average high °C (°F)30.07(86.13)29.8(85.64)28.49(83.28)24.92(76.86)23.32(73.98)19.75(67.55)19.77(67.59)23.41(74.14)27.99(82.38)29.33(84.79)29.43(84.97)29.59(85.26)26.32(79.38)
Daily mean °C (°F)26.0(78.8)25.63(78.13)24.25(75.65)20.95(69.71)19.05(66.29)15.2(59.36)15.35(59.63)19.04(66.27)23.61(74.5)25.35(77.63)25.69(78.24)25.94(78.69)22.17(71.91)
Average low °C (°F)17.29(63.12)16.79(62.22)15.73(60.31)13.17(55.71)11.49(52.68)7.88(46.18)7.87(46.17)10.55(50.99)14.1(57.38)16.11(61.0)16.8(62.24)17.54(63.57)13.78(56.8)
Record low °C (°F)8.59(47.46)10.74(51.33)6.44(43.59)2.15(35.87)3.22(37.8)-2.15(28.13)0.0(0)1.07(33.93)3.22(37.8)3.22(37.8)6.44(43.59)8.59(47.46)-2.15(28.13)
Average precipitation mm (inches)155.79(6.13)90.82(3.58)74.44(2.93)47.07(1.85)4.69(0.18)3.15(0.12)2.41(0.09)3.23(0.13)15.81(0.62)71.26(2.81)119.57(4.71)134.86(5.31)60.26(2.37)
Average precipitation days (≥ 1.0 mm)19.2414.3512.67.231.170.880.190.882.638.9814.1619.148.45
Average relative humidity (%)67.6567.8366.4562.1651.0949.6546.9638.435.7944.3553.5763.3953.94
Mean monthly sunshine hours14.4113.6512.059.669.39.289.299.3211.5113.6613.9914.1411.69

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Johannesburg in recent years.

Johannesburg

Johannesburg Temperature by Month

January
26.0°C | 78.8°F
December
25.94°C | 78.69°F
November
25.69°C | 78.24°F
February
25.63°C | 78.13°F
October
25.35°C | 77.63°F
March
24.25°C | 75.65°F
September
23.61°C | 74.5°F
April
20.95°C | 69.71°F
May
19.05°C | 66.29°F
August
19.04°C | 66.27°F
July
15.35°C | 59.63°F
June
15.2°C | 59.36°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature27.92°C (82.26°F)22.9°C (73.22°F)15.04°C (59.07°F)
Avg Temperature24.7°C (76.46°F)18.6°C (65.48°F)11.81°C (53.26°F)
Min Temperature20.41°C (68.74°F)12.72°C (54.9°F)2.15°C (35.87°F)
Dew PointMaxAverageMin
Dew Point6.44°C (43.59°F)-3.15°C (26.33°F)-15.04°C (4.93°F)
PrecipitationMaxAverageMinSum
Precipitation0.32mm | 0.01in0.03mm | 0.0in0.0mm | 0in1.06mm | 0.04in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind24.7kmh | 15.35mph12.61kmh | 7.84mph4.3kmh | 2.67mph
Gust Wind31.15kmh | 19.36mph15.59kmh | 9.69mph4.3kmh | 2.67mph
Sea Level PressureMaxAverageMin
Sea Level Pressure0.32mb0.03mb0.0mb
Johannesburg

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-08-0121.48 | 70.66-10.74 | 12.67144.3 | 2.6732.57 | 1103.00.0 | 0
2020-08-0221.48 | 70.66-6.44 | 20.41206.44 | 4.032.57 | 1103.00.0 | 0
2020-08-0322.55 | 72.59-1.07 | 30.07286.44 | 4.032.54 | 1101.920.0 | 0
2020-08-0421.48 | 70.66-6.44 | 20.41196.44 | 4.032.41 | 1097.630.0 | 0
2020-08-0519.33 | 66.79-9.67 | 14.59168.59 | 5.3432.35 | 1095.480.0 | 0
2020-08-0616.11 | 61.02.15 | 35.874519.33 | 12.0132.32 | 1094.410.0 | 0
2020-08-0711.81 | 53.262.15 | 35.875518.26 | 11.3532.51 | 1100.850.21 | 0.01
2020-08-0813.96 | 57.132.15 | 35.874917.18 | 10.6832.54 | 1101.920.0 | 0
2020-08-0918.26 | 64.871.07 | 33.934217.18 | 10.6832.35 | 1095.480.0 | 0
2020-08-1016.11 | 61.0-7.52 | 18.462412.89 | 8.0132.32 | 1094.410.0 | 0
2020-08-1118.26 | 64.87-3.22 | 26.22710.74 | 6.6732.35 | 1095.480.0 | 0
2020-08-1220.41 | 68.74-4.3 | 24.262415.04 | 9.3532.32 | 1094.410.0 | 0
2020-08-1318.26 | 64.87-11.81 | 10.741511.81 | 7.3432.38 | 1096.550.0 | 0
2020-08-1418.26 | 64.87-6.44 | 20.41219.67 | 6.0132.38 | 1096.550.0 | 0
2020-08-1519.33 | 66.79-1.07 | 30.073220.41 | 12.6832.16 | 1089.040.0 | 0
2020-08-1619.33 | 66.79-7.52 | 18.462011.81 | 7.3432.22 | 1091.180.0 | 0
2020-08-1716.11 | 61.0-1.07 | 30.073619.33 | 12.0132.29 | 1093.330.0 | 0
2020-08-1813.96 | 57.131.07 | 33.935221.48 | 13.3532.19 | 1090.110.21 | 0.01
2020-08-1911.81 | 53.26-15.04 | 4.932111.81 | 7.3432.38 | 1096.550.0 | 0
2020-08-2013.96 | 57.13-4.3 | 24.26348.59 | 5.3432.41 | 1097.630.0 | 0
2020-08-2120.41 | 68.74-4.3 | 24.26284.3 | 2.6732.44 | 1098.70.0 | 0
2020-08-2217.18 | 62.924.3 | 39.745210.74 | 6.6732.51 | 1100.850.0 | 0
2020-08-2320.41 | 68.742.15 | 35.87377.52 | 4.6732.35 | 1095.480.0 | 0
2020-08-2423.63 | 74.531.07 | 33.93287.52 | 4.6732.19 | 1090.110.0 | 0
2020-08-2524.7 | 76.46-2.15 | 28.132110.74 | 6.6732.16 | 1089.040.0 | 0
2020-08-2624.7 | 76.46-3.22 | 26.21910.74 | 6.6732.19 | 1090.110.0 | 0
2020-08-2717.18 | 62.926.44 | 43.595524.7 | 15.3532.25 | 1092.260.11 | 0.0
2020-08-2821.48 | 70.665.37 | 41.674418.26 | 11.3532.06 | 1085.810.0 | 0
2020-08-2920.41 | 68.74-6.44 | 20.412013.96 | 8.6732.03 | 1084.740.0 | 0
2020-08-3017.18 | 62.92-6.44 | 20.412512.89 | 8.0132.22 | 1091.180.21 | 0.01
2020-08-3117.18 | 62.92-6.44 | 20.412511.81 | 7.3432.32 | 1094.410.32 | 0.01

Johannesburg 11 Year Historical Weather Data

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