How should athletes check Ironman Tallinn race-day weather?

Use the race-day planner when the forecast window opens, then check official event and local safety guidance before final decisions.

Tallinn

Ironman Tallinn weather

Q: What is the typical weather for Ironman Tallinn?

Ironman Tallinn is usually held around August. Tallinn usually offers northern summer racing with Baltic wind, cool water and shower risk in play.

Tallinn usually offers northern summer racing with Baltic wind, cool water and shower risk in play.

IronmanAugustOcean swim

Typical race window

August weather in Tallinn

Monthly climate normal from 2016-2025 archive data.

August

Air temperature

14°C-21°C

Average wind

18 km/h

Peak daily wind

38 km/h

Wet-day chance

50%

A typical day in August averages 3.2 mm of precipitation, with average gusts around 40 km/h. Treat this as planning context, not a live forecast.

Jan

-1°C

Feb

0°C

Mar

4°C

Apr

9°C

May

15°C

Jun

20°C

Jul

22°C

Aug

21°C

Sep

16°C

Oct

10°C

Nov

5°C

Dec

1°C

Swim

Baltic water can be cool and wind-affected even when the air feels pleasant.

Bike

Open sections make wind direction and wet pavement important for pacing.

Run

The run is generally moderate, with rain and wind chill the main comfort variables.

Live race-day forecast

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