Sun, sea & sand

Porvoo weather in March

Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.

19

Holiday weather in March

Poor

Best time to visit: July

What is the weather like in Porvoo in March?

In March, Porvoo is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−5 °C). The sea averages 0.6 °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 34 mm. Snow falls on about 6 days. All in all, March is not an ideal month for a holiday in Porvoo.

March compared

How the weather changes from February to April. Tap a month to open it.

FebruaryFebMarchMarAprilApr
Score121925
Day−3°1°8°
Night−7°−5°0°
Sea1°1°2°
Sun2 h5 h7 h
Rain days989

More details for March

Daylight
11 h 39 min06:37 – 18:17
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
17 km/haverage daily peakAll months
Cloud cover
65 %on averageAll months
Hot days
0 days30 °C or more
Snow days
6 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Helsinki

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %27 %
  • Few rainy daysweight 20 %69 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in March

  • Warm jacket
  • Hat, scarf & gloves
  • Rain jacket or umbrella

Porvoo in March: quick answers

Is Porvoo hot in March?

No. In March, Porvoo is freezing cold: daytime highs average 1 °C and nights drop to about −5 °C.

Can you swim in Porvoo in March?

Only if you don't mind cold water: in March the sea averages just 0.6 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Porvoo in March?

Rain falls on about 8 days, adding up to 34 mm.

Porvoo month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences