Johannesburg weather in August 2025

Expect 68°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Johannesburg in August. Check more long-term weather averages for Johannesburg in August before you book your next holiday to South Africa in 2025/2026.

  • 68°F maximum daytime temperature in August in Johannesburg68
    68°F max day temperature
  • 10 hours of sunshine per day
  • 2 days with some rainfall in August in Johannesburg2
    2 days with some rainfall
  • 41°F minimum night-time temperature in August in Johannesburg41
    41°F min night temperature
  • 11 hours of daylight per day in August in Johannesburg11
    11 hours of daylight per day
  • No heat & humidity in August in Johannesburg0
    No heat & humidity
  • 0.3 inches monthly rainfall in August in Johannesburg0.3
    0.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Johannesburg7
    7 (High) UV index

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The August weather guide for South Africa (Johannesburg) shows long term 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.

Metric (°C)  |  Imperial (°F)

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More about South Africa

How hot is it in Johannesburg in August?

Daytime temperatures usually reach 68°F in Johannesburg in August, falling to 41°F at night.

How sunny is it in Johannesburg in August?

There are normally 10 hours of bright sunshine each day in Johannesburg in August - that's 86% of daylight hours.

Does it ever rain in Johannesburg in August?

There are usually 2 days with some rain in Johannesburg in August and the average monthly rainfall is 0.3 inches.

Johannesburg August sunrise & sunset times

Browse the sunrise and sunset times for Johannesburg in August 2025. Select a month to view Johannesburg sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:47 17:42
Saturday, 16th August 2025 06:36 17:49
Sunday, 31st August 2025 06:21 17:55

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