Johannesburg weather in May 2026

Expect daytime maximum temperatures of 68°F in Johannesburg, South Africa in May based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 68°F maximum daytime temperature in May in Johannesburg68
    68°F max day temperature
  • 9 hours of sunshine per day
  • 3 days with some rainfall in May in Johannesburg3
    3 days with some rainfall
  • 43°F minimum night-time temperature in May in Johannesburg43
    43°F min night temperature
  • 11 hours of daylight per day in May in Johannesburg11
    11 hours of daylight per day
  • No heat & humidity in May in Johannesburg0
    No heat & humidity
  • 0.6 inches monthly rainfall in May in Johannesburg0.6
    0.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Johannesburg6
    6 (High) UV index

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The May 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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How hot is it in Johannesburg in May?

Daytime temperatures usually reach 68°F in Johannesburg in May, falling to 43°F at night.

How sunny is it in Johannesburg in May?

There are normally 9 hours of bright sunshine each day in Johannesburg in May - that's 83% of daylight hours.

Does it ever rain in Johannesburg in May?

There are usually 3 days with some rain in Johannesburg in May and the average monthly rainfall is 0.6 inches.

Johannesburg May sunrise & sunset times

Browse the sunrise and sunset times for Johannesburg in May 2026. Select a month to view Johannesburg sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:32 17:38
Saturday, 16th May 2026 06:39 17:29
Sunday, 31st May 2026 06:47 17:24

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