Port St Johns weather in August 2025

Expect daytime maximum temperatures of 70°F in Port St Johns, South Africa in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

  • 70°F maximum daytime temperature in August in Port St Johns70
    70°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in August in Port St Johns6
    6 days with some rainfall
  • 55°F minimum night-time temperature in August in Port St Johns55
    55°F min night temperature
  • 11 hours of daylight per day in August in Port St Johns11
    11 hours of daylight per day
  • No heat & humidity in August in Port St Johns0
    No heat & humidity
  • 1.9 inches monthly rainfall in August in Port St Johns1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Port St Johns5
    5 (Moderate) UV index
  • 70°F sea temperature in August in Port St Johns70
    70°F sea temperature

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The August weather guide for South Africa (Port St Johns) 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 Port St Johns in August?

Daytime temperatures usually reach 70°F in Port St Johns in August, falling to 55°F at night.

How sunny is it in Port St Johns in August?

There are normally 8 hours of bright sunshine each day in Port St Johns in August - that's 69% of daylight hours.

How warm is the sea around Port St Johns in August?

The average sea temperature around Port St Johns in August is 70°F.

Does it rain in Port St Johns in August?

There are usually 6 days with some rain in Port St Johns in August and the average monthly rainfall is 1.9 inches.

Port St Johns August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:50 17:27
Saturday, 16th August 2025 06:37 17:36
Sunday, 31st August 2025 06:19 17:45

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