Monthly climate guide
Plettenberg Bay weather in May
May in Plettenberg Bay is typically mild, with average daytime highs around 21°C (70°F) and night-time lows near 12°C (54°F). The month usually brings about 32 mm of rain (fairly dry) and is a mix of sun and cloud. Daytime highs are 2°C cooler than April and 3°C warmer than June.
What stands out in May
- In Plettenberg Bay, May is late autumn — the seasons are reversed south of the equator.
- Plettenberg Bay is usually about 2°C cooler than Mossel Bay, 110 km away, in May.
Avg high
21°C
70°F
Avg low
12°C
54°F
Rainfall
32 mm
fairly dry
Humidity
69%
relative
Sky
50%
cloud · a mix of sun and cloud
Plettenberg Bay weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 27°C / 80°F | 17°C / 62°F | 46 mm | 72% | 47% |
| February | 26°C / 79°F | 17°C / 62°F | 46 mm | 73% | 44% |
| March | 25°C / 77°F | 16°C / 60°F | 53 mm | 74% | 47% |
| April | 23°C / 73°F | 13°C / 56°F | 39 mm | 71% | 46% |
| May | 21°C / 70°F | 12°C / 54°F | 32 mm | 69% | 50% |
| June | 18°C / 65°F | 10°C / 50°F | 41 mm | 67% | 47% |
| July | 18°C / 64°F | 10°C / 49°F | 46 mm | 69% | 45% |
| August | 18°C / 65°F | 10°C / 49°F | 58 mm | 71% | 47% |
| September | 20°C / 67°F | 11°C / 51°F | 58 mm | 73% | 50% |
| October | 22°C / 71°F | 12°C / 54°F | 52 mm | 72% | 52% |
| November | 23°C / 73°F | 13°C / 55°F | 59 mm | 72% | 51% |
| December | 25°C / 77°F | 15°C / 60°F | 31 mm | 72% | 47% |
What to pack for May
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
Is May a good time to visit Plettenberg Bay?
Compare the months in the chart above to find your ideal window.
Best time to visit Plettenberg Bay →Other South Africa cities in May
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Plettenberg Bay weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/south-africa/plettenberg-bay/may
<a href="https://weathercompare.eu/weather/south-africa/plettenberg-bay/may">Plettenberg Bay weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/south-africa/plettenberg-bay" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Plettenberg Bay weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/south-africa/plettenberg-bay/may">Plettenberg Bay weather in May</a> – WeatherCompare</p>
Plettenberg Bay in May: quick answers
Is May a good time to visit Plettenberg Bay?
Yes. May is one of the best months for Plettenberg Bay, with highs around 21°C and about 32 mm of rain.
How warm is Plettenberg Bay in May?
Average highs are about 21°C (70°F) and average lows about 12°C (54°F), based on 10 years of daily data.
Does it rain a lot in Plettenberg Bay in May?
Plettenberg Bay typically gets around 32 mm of rain in May — fairly dry.
Figures are long-term averages for the area around Plettenberg Bay (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.