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Swansea, Wales

Ironman 70.3 Swansea weather

Swansea is a coastal Welsh race where wind, rain and cooler air can shape the day.

70.3JulyOcean swim

Typical race window

July weather in Swansea, Wales

Monthly climate normal from 2016-2025 archive data.

July
Air temperature

14°C-20°C

Average wind

20 km/h

Peak daily wind

42 km/h

Wet-day chance

52%

A typical day in July averages 3.5 mm of precipitation, with average gusts around 41 km/h. Treat this as planning context, not a live forecast.

Jan

8°C

Feb

9°C

Mar

10°C

Apr

13°C

May

16°C

Jun

18°C

Jul

20°C

Aug

19°C

Sep

18°C

Oct

15°C

Nov

11°C

Dec

9°C

Swim

Sea state, tides and beach-safety guidance are central to the swim read.

Bike

Coastal and rolling sections make gusts and wet surfaces key bike factors.

Run

The run is often mild, but wind and rain can make clothing and pacing choices matter.

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 Swansea, Wales prefilled.

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