Sun, sea & sand

Porvoo weather in April

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

25

Holiday weather in April

Poor

Best time to visit: July

What is the weather like in Porvoo in April?

In April, Porvoo is cold: daytime highs average 8 °C, and nights cool down to about 0 °C. The sea averages 2.3 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 36 mm. Snow falls on about 2 days. All in all, April is not an ideal month for a holiday in Porvoo.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score192532
Day1°8°14°
Night−5°0°6°
Sea1°2°7°
Sun5 h7 h9 h
Rain days8910

More details for April

Daylight
14 h 31 min06:02 – 20:33
UV index
3 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
63 %on averageAll months
Hot days
0 days30 °C or more
Snow days
2 days1 cm or more of fresh snowAll months
Time zone
UTC+3Europe/Helsinki

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %58 %
  • Few rainy daysweight 20 %68 %

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

What to pack in April

  • Sunscreen
  • Warm jacket
  • Rain jacket or umbrella

Porvoo in April: quick answers

Is Porvoo hot in April?

No. In April, Porvoo is cold: daytime highs average 8 °C and nights drop to about 0 °C.

Can you swim in Porvoo in April?

Only if you don't mind cold water: in April the sea averages just 2.3 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Porvoo in April?

Rain falls on about 9 days, adding up to 36 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