Knysna weather in May 2025

Expect 68°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Knysna in May. Check more long-term weather averages for Knysna in May before you book your next holiday to South Africa in 2025/2026.

  • 68°F maximum daytime temperature in May in Knysna68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in May in Knysna9
    9 days with some rainfall
  • 54°F minimum night-time temperature in May in Knysna54
    54°F min night temperature
  • 10 hours of daylight per day in May in Knysna10
    10 hours of daylight per day
  • No heat & humidity in May in Knysna0
    No heat & humidity
  • 2.8 inches monthly rainfall in May in Knysna2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Knysna3
    3 (Moderate) UV index
  • 64°F sea temperature in May in Knysna64
    64°F sea temperature

More about Knysna

Knysna by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Africa

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

The May weather guide for South Africa (Knysna) 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)

Back to top

More about South Africa

How hot is it in Knysna in May?

Daytime temperatures usually reach 68°F in Knysna in May, falling to 54°F at night.

How sunny is it in Knysna in May?

There are normally 6 hours of bright sunshine each day in Knysna in May - that's 61% of daylight hours.

How warm is the sea around Knysna in May?

The average sea temperature around Knysna in May is 64°F.

Does it rain in Knysna in May?

There are usually 9 days with some rain in Knysna in May and the average monthly rainfall is 2.8 inches.

Knysna May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 07:03 17:47
Friday, 16th May 2025 07:14 17:34
Saturday, 31st May 2025 07:24 17:27

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^