Plettenberg Bay weather in August
South Africa

August in Plettenberg Bay: nice, a little rain, with clean air — a great time to visit.
#10 of 12 months in Plettenberg Bay · #785 of 1383 destinations to visit in August · comfort 77/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Plettenberg Bay in August
No notes yet. Open Plettenberg Bay on the map to add the first one.
Plettenberg Bay climate normals — August
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Sea temperature | 16°C / 61°F | 🧊 bracing |
| Rainfall | 45 mm / 1.8 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 10.9 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Plettenberg Bay in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 4 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Plettenberg Bay's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherPlettenberg Bay's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Plettenberg Bay in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Whale season
1 Jul – 15 Dec · usuallyThe official whale season runs July to December, with southern right whales through the middle of it and migrating humpbacks arriving with their calves from early November. Bryde's whales and dolphins are around the bay year-round. Source ↗
Nearby, and something's on
Within 300 km of Plettenberg Bay — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Plettenberg Bay?
Plettenberg Bay in August — FAQ
- Is August a good time to visit Plettenberg Bay?
- August in Plettenberg Bay: nice, a little rain, with clean air — a great time to visit. It ranks #10 of 12 months for Plettenberg Bay on SeasonMap's comfort score (77/100).
- What is the weather like in Plettenberg Bay in August?
- In August, Plettenberg Bay averages a daily high of 17.8°C and a low of 10.4°C, with about 44.7 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Plettenberg Bay in August?
- Plettenberg Bay has a mean US Air Quality Index of about 28 in August.
Other months in Plettenberg Bay
Compare Plettenberg Bay in August
Warmer or cooler than Plettenberg Bay in August
Similar destinations in Southern Africa — August
Within 300 km: Knysna's Southern right whales around 15 Jun – 15 Nov, and Port Elizabeth's Whales in Algoa Bay around 1 Jun – 30 Nov.