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Mossel Bay, Western Cape

Ironman 70.3 Mossel Bay weather

Mossel Bay combines coastal wind decisions with a race window that can shift from cool morning to warm run.

70.3NovemberOcean swim

Typical race window

November weather in Mossel Bay, Western Cape

Monthly climate normal from 2016-2025 archive data.

November
Air temperature

15°C-22°C

Average wind

25 km/h

Peak daily wind

46 km/h

Wet-day chance

23%

A typical day in November averages 1.2 mm of precipitation, with average gusts around 47 km/h. Treat this as planning context, not a live forecast.

Jan

25°C

Feb

25°C

Mar

24°C

Apr

22°C

May

21°C

Jun

20°C

Jul

19°C

Aug

19°C

Sep

20°C

Oct

21°C

Nov

22°C

Dec

24°C

Swim

The ocean swim needs attention to swell, chop and official water-safety guidance.

Bike

Wind direction can materially change the feel of exposed sections outside town.

Run

The run is often about managing sun, warmth and any coastal breeze in the second half.

Live race-day forecast

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