TodayWeekHourlyRace DayRacesSpotsAccount
Global forecasts Race-ready
Today Week Hourly Race

Desaru Coast, Johor

Ironman 70.3 Desaru Coast weather

Desaru Coast is a tropical race where heat, humidity, rain and sea breeze all matter.

70.3MayOcean swim

Typical race window

May weather in Desaru Coast, Johor

Monthly climate normal from 2016-2025 archive data.

May
Air temperature

26°C-30°C

Average wind

12 km/h

Peak daily wind

26 km/h

Wet-day chance

90%

A typical day in May averages 7.6 mm of precipitation, with average gusts around 27 km/h. Treat this as planning context, not a live forecast.

Jan

28°C

Feb

28°C

Mar

29°C

Apr

30°C

May

30°C

Jun

30°C

Jul

30°C

Aug

30°C

Sep

30°C

Oct

30°C

Nov

29°C

Dec

28°C

Swim

Ocean chop, warm water and local safety guidance are key swim checks.

Bike

Coastal wind and tropical showers can affect handling and pacing.

Run

The run is usually driven by humidity and heat index rather than raw temperature alone.

Live race-day forecast

Build the exact read when your date matters.

This race page stays evergreen. For date, start time and expected segment durations, open the race-day planner with Desaru Coast, Johor prefilled.

Build your race-day readBrowse races