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Florianopolis, Santa Catarina

Ironman Brazil weather

Florianopolis blends ocean conditions, island wind and mild-to-warm autumn racing weather.

IronmanMayOcean swim

Typical race window

May weather in Florianopolis, Santa Catarina

Monthly climate normal from 2016-2025 archive data.

May
Air temperature

17°C-23°C

Average wind

16 km/h

Peak daily wind

32 km/h

Wet-day chance

37%

A typical day in May averages 3.8 mm of precipitation, with average gusts around 36 km/h. Treat this as planning context, not a live forecast.

Jan

29°C

Feb

29°C

Mar

28°C

Apr

26°C

May

23°C

Jun

21°C

Jul

20°C

Aug

21°C

Sep

22°C

Oct

23°C

Nov

25°C

Dec

27°C

Swim

Swell, chop and official beach guidance can change swim difficulty quickly.

Bike

Island wind and exposed roads can become the main bike constraint.

Run

The run is often moderate, with humidity and sun exposure still worth managing.

Live race-day forecast

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This race page stays evergreen. For date, start time and expected segment durations, open the race-day planner with Florianopolis, Santa Catarina prefilled.

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