SeasonMapMariehamn (Aland) weather in March
Åland Islands
March in Mariehamn: cold, a little rain, with clean air — a hit-or-miss time to visit.
#8 of 12 months in Mariehamn · #1313 of 1383 destinations to visit in March · comfort 48/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mariehamn in March
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Mariehamn climate normals — March
| Daytime high | 3°C / 37°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 32°F | |
| Sea temperature | 1°C / 34°F | 🥶 cold sea |
| Rainfall | 34 mm / 1.3 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | -2°C / 28°F | |
| Sunshine | 7.4 h/day | |
| Daylight | 11.8 h | |
| Wind | 28 km/h / 17 mph | |
| Snowfall | 12.3 cm / 4.8 in | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Mariehamn in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Mariehamn's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherMariehamn's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Mariehamn in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Winter on the islands
1 Nov – 15 Apr · usuallyOff-season shutdownClosuresMost of the guest harbours, museums and summer restaurants close and the small archipelago routes drop to a skeleton timetable. The big Stockholm and Turku ferries still call, so getting here is never the problem.
Nearby, and something's on
Within 300 km of Mariehamn — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Mariehamn?
Mariehamn in March — FAQ
- Is March a good time to visit Mariehamn?
- March in Mariehamn: cold, a little rain, with clean air — a hit-or-miss time to visit. It ranks #8 of 12 months for Mariehamn on SeasonMap's comfort score (48/100).
- What is the weather like in Mariehamn in March?
- In March, Mariehamn averages a daily high of 3°C and a low of -0.1°C, with about 34.2 mm of rain over roughly 8.6 rainy days.
- What is the air quality in Mariehamn in March?
- Mariehamn has a mean US Air Quality Index of about 38 in March.
- Does it snow in Mariehamn in March?
- Mariehamn sees roughly 12.3 cm of snowfall in March.
Other months in Mariehamn
Compare Mariehamn in March
Warmer or cooler than Mariehamn in March
Similar destinations in Northern Europe — March
Within 300 km: Helsinki's Sea ice and winter swimming around 1 Jan – 20 Mar.