Helsinki weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Poor
Best time to visit: June – August
What is the weather like in Helsinki in March?
In March, Helsinki is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−5 °C). The sea averages 0.8 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Precipitation, often as snow, falls on about 8 days, totalling 35 mm. Snow falls on about 5 days. All in all, March is not an ideal month for a holiday in Helsinki.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 18 | 29 | 35 |
| Day | −3° | 1° | 7° |
| Night | −7° | −5° | 0° |
| Sea | 1° | 1° | 2° |
| Sun | 2 h | 5 h | 8 h |
| Rain days | 10 | 8 | 9 |
More details for March
- Daylight
- 11 h 39 min06:40 – 18:20
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 19 km/haverage daily peak
- Cloud cover
- 65 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 5 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Helsinki
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %69 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Helsinki in March: quick answers
Is Helsinki hot in March?
No. In March, Helsinki is freezing cold: daytime highs average 1 °C and nights drop to about −5 °C.
Can you swim in Helsinki in March?
Only if you don't mind cold water: in March the sea averages just 0.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Helsinki in March?
Rain falls on about 8 days, adding up to 35 mm.
Helsinki month by month
The whole year in HelsinkiAll destinations: FinlandWhere to go in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)