Best year time to visit Johannesburg

General weather information about Johannesburg

Average annual temperature is 26.5 °C

Absolute maximum temperature: 36.0 °C

Absolute minimum temperature: 20.3 °C

Number of sunny days: 24 days

Number of rainy days: 341 days

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* Weather data for Johannesburg Suriname is based on climate observations for 2026 year

Johannesburg air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.929.230.330.731.431.932.333.535.636.034.031.9
Average daytime temperature (°C)27.727.729.029.429.430.330.631.933.133.932.030.2
Average temperature (°C)24.725.126.126.126.126.026.327.228.028.627.726.6
Average night temperature (°C)22.523.424.023.824.023.523.624.224.825.425.024.1
Absolute minimum temperature (°C)20.322.121.122.723.422.722.822.724.124.323.923.1

Johannesburg monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.012.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.811.912.112.312.412.512.412.312.212.011.911.8
Daylight minimum duration (h)11.011.012.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)8.58.110.58.78.29.310.310.911.010.910.910.3
Precipitation (mm)304260513424293762501419310195161
Sunny days215200046310
Rainy days292726283130312724282931
Snow days000000000000

Johannesburg - weather forecast by months

Johannesburg weather in januaryJohannesburg weather in februaryJohannesburg weather in marchJohannesburg weather in aprilJohannesburg weather in mayJohannesburg weather in juneJohannesburg weather in julyJohannesburg weather in augustJohannesburg weather in septemberJohannesburg weather in octoberJohannesburg weather in novemberJohannesburg weather in december

Best time to visit Johannesburg:

The largest precipitation sum in Johannesburg is at

  • January — 304(mm)
  • April — 342(mm)
  • May — 429(mm)
  • June — 376(mm)

    • Weather forecast in the closest to Johannesburg admin centers

    Weather forecast in the closest towns to Johannesburg

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    Frequently asked questions

    When is the best time to visit Johannesburg?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Johannesburg.
    What is the weather like in Johannesburg?
    See average temperature, rainfall and daylight hours for Johannesburg by month in the table above.
    How many sunny days does Johannesburg have?
    The monthly weather statistics above show sunshine and rainfall patterns for Johannesburg throughout the year.