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Knysna weather in August 2025
Expect daytime maximum temperatures of 64°F in Knysna, South Africa in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 3.7 inches of rainfall in the month.
- 64°F max day temperature
64 - 7 hours of sunshine per day
- 10 days with some rainfall
10 - 50°F min night temperature
50 - 11 hours of daylight per day
11 - No heat & humidity
0 - 3.7 inches of monthly rainfall
3.7 - 4 (Moderate) UV index
4 - 63°F sea temperature
63
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Recommended for South Africa
The August 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)
More about South Africa
How hot is it in Knysna in August?
Daytime temperatures usually reach 64°F in Knysna in August, falling to 50°F at night.
How sunny is it in Knysna in August?
There are normally 7 hours of bright sunshine each day in Knysna in August - that's 64% of daylight hours.
How warm is the sea around Knysna in August?
The average sea temperature around Knysna in August is 63°F.
Does it rain in Knysna in August?
There are usually 10 days with some rain in Knysna in August and the average monthly rainfall is 3.7 inches.
Knysna August sunrise & sunset times
Browse the sunrise and sunset times for Knysna in August 2025. Select a month to view Knysna sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 07:20 | 17:48 |
| Saturday, 16th August 2025 | 07:06 | 17:59 |
| Sunday, 31st August 2025 | 06:47 | 18:09 |
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