Mariehamn Weather in March
March in Mariehamn sees daytime temperatures around 3°C (37°F) and lows of -1°C (30°F) at night. As the driest month of the year.
Rainfall in Mariehamn in March
Dry conditions dominate this month. A good time for outdoor fun and exploration, even if the temperatures are on the cool side. Historically, approximately 14 days this month are expected to have snow/rain, averaging 33 mm (1.3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Mariehamn in March
March in Mariehamn sees highs of 3°C (37°F) and lows of -1°C (30°F) overnight. The month of March belongs to the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is particularly chilly, so wearing layers is necessary to stay warm and comfortable.If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Mariehamn. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Mariehamn's climate page.
Mariehamn Temperature in March
Min Temperature
-1°C (30°F)
Max Temperature
3°C (37°F)
Chance of Rain
46%
Precipitation
33 mm (1.3 in)
Rainy days
14 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mariehamn typically rise from around 1°C (34°F) at the start of March to approximately 4°C (39°F) by the end. Nights are very cold, with lows typically ranging from -5°C (23°F) to -1°C (30°F).
Average temperatures in March
Historical weather for Mariehamn in March
Browse day-by-day weather records for Mariehamn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mariehamn historical weather extremes in March
According to our 50 years of weather records for Mariehamn, the following extremes were recorded between 1976 and 2026.
- Mariehamn recorded its highest March temperature of 16°C (61°F) on March 27, 2017.
Best Places in Finland in March
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in March →
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What to Wear in Mariehamn in March
Cold weather calls for smart layering in March. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Pack a light rain jacket or compact umbrella for occasional showers.What To Do in Mariehamn in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Mariehamn's climate page.
See the full Mariehamn climate overview or explore weather in Finland.
