TodayWeekHourlyRace DayRacesSpotsAccount
Global forecasts Race-ready
Today Week Hourly Race

Copenhagen

Ironman Copenhagen weather

Copenhagen usually offers mild racing weather, with wind and showers the variables to watch.

IronmanAugustInland-water swim

Typical race window

August weather in Copenhagen

Monthly climate normal from 2016-2025 archive data.

August
Air temperature

15°C-21°C

Average wind

22 km/h

Peak daily wind

53 km/h

Wet-day chance

38%

A typical day in August averages 2.0 mm of precipitation, with average gusts around 43 km/h. Treat this as planning context, not a live forecast.

Jan

4°C

Feb

5°C

Mar

7°C

Apr

11°C

May

16°C

Jun

20°C

Jul

21°C

Aug

21°C

Sep

18°C

Oct

13°C

Nov

8°C

Dec

6°C

Swim

The lagoon-style swim is more sheltered than open coast but still needs water-temperature and visibility checks.

Bike

Danish roads can be quick, but exposed sections make wind direction important.

Run

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

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 Copenhagen prefilled.

Build your race-day readBrowse races