Late winter · Weather & things to do
Knysna & Plettenberg Bay in August
Little changes in Knysna & Plettenberg Bay from July: highs stay near 68°F (20°C), lows near 52°F (11°C), and about 2.2 in (56 mm) of rain falls.
At 92/100 for comfort (5th of 12), it's one of the best months to visit.
- Avg high
- 68°F (20°C)
- Avg low
- 52°F (11°C)
- Rain
- 2.2 in (56 mm)
- Humidity
- 70%
- Cloud cover
- 48%
- Daylight
- ~10 h 44 min
- Comfort score
- 92/100 · Great
What August feels like
Expect mild afternoons around 68°F (20°C), good for long walks.
After dark, temperatures fall to about 52°F (11°C).
Rain is moderate at about 2.2 in (56 mm) for the month.
Plan around August
August is one of Knysna & Plettenberg Bay's best months on the climate data.
- Start of the wettest three-month stretch (August – October), which brings about 5.7 in (146 mm) in total.
- Comfort slips from 95/100 in July to 92/100.
- Our Cape Town, Winelands & Garden Route recommends Oct – Apr, so August falls outside its suggested window.
What to pack for August
- A warm layer for eveningsnights drop to 52°F
- Comfortable walking shoesmost picks involve some walking
What to do in Knysna & Plettenberg Bay in August
With conditions on your side, the picks below favor time outside.
Robberg Nature Reserve
Rocky peninsula in Plettenberg Bay with hiking loops, seal colonies and whale views in season.
Why now August scores 92/100 for comfort, good conditions for being outside.
Monkeyland
Free-roaming primate sanctuary in The Crags with guided forest walks and a 128 m suspension bridge.
Why now Highs near 68°F and 2.2 in of monthly rain make this an easy outdoor pick.
Bramon Wine Estate
Coastal vineyard in The Crags making Méthode Cap Classique sparkling, with a relaxed restaurant.
East Head Café
Waterside cafe at the Knysna Heads, popular for breakfast and seafood lunches on the deck.
Diepwalle Forest
Old-growth Knysna forest in Garden Route National Park, with the Elephant Walk trails among yellowwoods.
Why now One to do outside while the weather is on your side.
Nearby in August
- Stellenbosch & Franschhoek in August~240 mi · highs 61°F, 4.8 in rain · 4°C (7°F) cooler by day, wetter
- Cape Town in August~265 mi · highs 60°F, 3.0 in rain · 4°C (8°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~349 m to Knysna & Plettenberg Bay's ~11 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Knysna & Plettenberg Bay in August: quick answers
Is August a good time to visit Knysna & Plettenberg Bay?
Yes. On the climate data it's one of the best months, scoring 92/100. Expect highs of 68°F (20°C) and 2.2 in (56 mm) of rain. Our Cape Town, Winelands & Garden Route recommends Oct – Apr, so August is outside its suggested window.
How hot is Knysna & Plettenberg Bay in August?
Average highs are 68°F (20°C) and average lows 52°F (11°C), making it the 3rd-coldest month by daytime highs.
Does it rain a lot in Knysna & Plettenberg Bay in August?
Not much: about 2.2 in (56 mm) of rain falls across August on average, the 2nd-wettest month of the year. The annual total is about 20.8 in (529 mm).
What should I pack for Knysna & Plettenberg Bay in August?
Bring a warm layer for evenings (nights drop to 52°F) and comfortable walking shoes (most picks involve some walking).
More on Knysna & Plettenberg Bay
Planning Knysna & Plettenberg Bay in August?
Share this August plan with your group, poll everyone on dates and keep the packing list in one place.