Average temperature in Mariehamn

The mean minimum and maximum temperatures over the year in Mariehamn (Åland Islands), Finland.

Average monthly minimum and maximum temperature in Mariehamn,

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On average, the warmest month is August with 20°C.
On average, the coolest month is February with 1°C.
The average annual maximum temperature is 10°C.
The average annual minimum temperature is 6°C.

Weather Forecasts for Mariehamn

Sat Apr 20

1°C | -3°C

29 km/h

5.2 mm

overcast and snow

hourly forecast

Sun Apr 21

2°C | -3°C

22 km/h

overcast and no rain

hourly forecast

Mon Apr 22

0°C | -2°C

32 km/h

1.1 mm

overcast and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Mariehamn.

Our site offers climate and forecast data for every country in the world. Are you going to Finland? On this website you can find historical weather averages for many cities in Finland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.

Travel Inspiration

See the northern lights

The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.

Air Guitar World Championship Finland

This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.

Sleeping in a glass iglo in Finland

Sleeping in a glass igloo with the Northern Lights shining above you. The most famous place is in the Iglo village in Kakslattaunen. The idea is amazing and definitely something to add to your bucket list.

The train journey from Bucharest to Brasov is one of the most beautiful in Romania

In three hours, you'll get from Bucharest to Brasov by train. It is one of the most beautiful routes in Romania, certainly the most beautiful that can be done by express train.

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