Cape Town weather in May 2026

Expect daytime maximum temperatures of 19°C in Cape Town, South Africa in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 136 mm of rainfall in the month.

  • 19°C maximum daytime temperature in May in Cape Town19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in May in Cape Town12
    12 days with some rainfall
  • 10°C minimum night-time temperature in May in Cape Town10
    10°C min night temperature
  • 10 hours of daylight per day in May in Cape Town10
    10 hours of daylight per day
  • No heat & humidity in May in Cape Town0
    No heat & humidity
  • 136 mm monthly rainfall in May in Cape Town136
    136 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Cape Town4
    4 (Moderate) UV index
  • 15°C sea temperature in May in Cape Town15
    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.

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

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More about South Africa

How hot is it in Cape Town in May?

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

How sunny is it in Cape Town in May?

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

How warm is the sea around Cape Town in May?

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

Does it rain in Cape Town in May?

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

Cape Town May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 07:21 18:05
Saturday, 16th May 2026 07:32 17:53
Sunday, 31st May 2026 07:42 17:46

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