South Africa weather in May 2025

Expect 19°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in South Africa in May. Check more long-term weather averages for South Africa in May before you book your next holiday to South Africa in 2025/2026.

  • 19°C maximum daytime temperature in May in South Africa (Cape Town)19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in May in South Africa (Cape Town)12
    12 days with some rainfall
  • 10°C minimum night-time temperature in May in South Africa (Cape Town)10
    10°C min night temperature
  • 10 hours of daylight per day in May in South Africa (Cape Town)10
    10 hours of daylight per day
  • No heat & humidity in May in South Africa (Cape Town)0
    No heat & humidity
  • 136 mm monthly rainfall in May in South Africa (Cape Town)136
    136 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in South Africa (Cape Town)4
    4 (Moderate) UV index
  • 15°C sea temperature in May in South Africa (Cape Town)15
    15°C sea temperature

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The May weather guide for South Africa (Cape Town) 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.

Top South Africa destinations

Below are average maximum temperatures at popular countries, regions and places in South Africa in May. Select a holiday destination to see more weather parameters.

All South Africa destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about South Africa

How hot is it in South Africa in May?

Daytime temperatures usually reach 19°C in Cape Town, South Africa in May, falling to 10°C at night.

How sunny is it in South Africa in May?

There are normally 6 hours of bright sunshine each day in Cape Town, South Africa in May - that's 60% of daylight hours.

How warm is the sea around South Africa in May?

The average sea temperature around Cape Town, South Africa in May is 15°C.

Does it rain in South Africa in May?

There are usually 12 days with some rain in Cape Town, South Africa in May and the average monthly rainfall is 136mm.

South Africa May sunrise & sunset times

Browse the sunrise and sunset times for South Africa in May 2025. Select a month to view South Africa sunrise and sunset times for the next 12 months. The South Africa sunrise and sunset times shown below are for Cape Town.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 07:21 18:05
Friday, 16th May 2025 07:32 17:53
Saturday, 31st May 2025 07:42 17:45

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