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Zell am See, Salzburg

Ironman 70.3 Zell am See-Kaprun weather

Zell am See pairs alpine lake conditions with mountain weather that can change quickly.

70.3late AugustInland-water swim

Typical race window

August weather in Zell am See, Salzburg

Monthly climate normal from 2016-2025 archive data.

late August
Air temperature

14°C-24°C

Average wind

8 km/h

Peak daily wind

17 km/h

Wet-day chance

51%

A typical day in August averages 4.7 mm of precipitation, with average gusts around 30 km/h. Treat this as planning context, not a live forecast.

Jan

4°C

Feb

7°C

Mar

10°C

Apr

14°C

May

18°C

Jun

24°C

Jul

24°C

Aug

24°C

Sep

20°C

Oct

16°C

Nov

10°C

Dec

6°C

Swim

The lake swim is sheltered from surf but can be cool and wind-chopped.

Bike

Mountain terrain makes storm risk, wind on descents and temperature shifts important.

Run

The run is usually moderate, but sun and humid air near the lake can raise effort.

Live race-day forecast

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