Plettenberg Bay weather in May

May in Plettenberg Bay: nice, a little rain, with clean air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Plettenberg Bay🇿🇦 South Africa · Cape & Garden Route · Beach79
  1. 89Jan
  2. 87Feb
  3. 84Mar
  4. 82Apr
  5. 79May
  6. 73Jun
  7. 73Jul
  8. 77Aug
  9. 79Sep
  10. 81Oct
  11. 83Nov
  12. 88Dec

#8 of 12 months in Plettenberg Bay · #784 of 1413 destinations to visit in May · comfort 79/100 (tier B)

Days
20°C
Nights
13°C
Wet days
6
Sun
8.6 h
Humidity
72%
Daylight
10 h
Plettenberg Bay, South Africa
Photo: Jean van der Meulen · Pexels

Traveller notes on Plettenberg Bay in May

Other months in Plettenberg Bay

Plettenberg Bay's forum describes July as about as wintry as the Garden Route gets - chillier and windier than the rest of the year - but posters were quick to add that South Africa's winter isn't a washout: some days hit a sunny 25C, others turn cold, windy and wet, and it genuinely doesn't rain for days on end. A few visitors even reported swimming and wearing short sleeves during a June/July stay when a warm spell lined up. Pack for both extremes rather than assuming either a beach day or a full winter coat is guaranteed.
GardenRouteWinterRegular · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters name Plettenberg Bay as one of the better bets on South Africa's eastern stretch for good weather with a lower rain chance in January, though they warn the first two weeks of the month get genuinely busy with South African families on school holiday. Beach options vary by character: Robberg Beach has strong undercurrents but makes a nice walk, Central Beach is calmer and family-friendly with a small lagoon to paddle in, and Lookout Beach offers a sheltered lagoon that changes with the tide. Beyond the beach, posters point to whale and dolphin-watching boat tours, cape fur seal colony visits, bungee jumping and the Robberg Peninsula nature reserve as the main draws for a January visit.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Plettenberg Bay's card on the map.

Plettenberg Bay climate normals — May

Daytime high20°C / 69°F😎 nice
Nighttime low13°C / 55°F
Feels like (high)19°C / 66°F
Sea temperature19°C / 65°F🧊 bracing
Rainfall31 mm / 1.2 in🌦 some rain
Rainy days6 days
Humidity72%💧 humid
Dew point11°C / 52°F
Sunshine8.6 h/day
Daylight10.4 h
Wind18 km/h / 11 mph
Air quality (US AQI)24🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Plettenberg Bay in May

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.

Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)

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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.

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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?

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Plettenberg Bay in May — FAQ

Is May a good time to visit Plettenberg Bay?
May in Plettenberg Bay: nice, a little rain, with clean air — a great time to visit. It ranks #8 of 12 months for Plettenberg Bay on SeasonMap's comfort score (79/100).
What is the weather like in Plettenberg Bay in May?
In May, Plettenberg Bay averages a daily high of 20.4°C and a low of 12.9°C, with about 31 mm of rain over roughly 5.7 rainy days.
What is the air quality in Plettenberg Bay in May?
Plettenberg Bay has a mean US Air Quality Index of about 24 in May.

Within 300 km: Port Elizabeth's Sardine run past Algoa Bay around 15 May – 31 Jul.