The weather in Mariehamn in March is very cold with temperatures between -1°C and 1°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Mariehamn during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Mariehamn is going to experience quite a number of days of snow during March. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Mariehamn in March 2025.
If you’re planning to visit Mariehamn in the near future, we highly recommend that you review the 14 day weather forecast for Mariehamn before you arrive.
