Helsinki Weather in April

In April, Helsinki averages a high of 8°C (46°F) and a low of 1°C (34°F), from 56 years of daily records (1971–2026).

8°C

Average high

46°F

1°C

Average low

34°F

22°C

Record high

71°F · April 28, 1993

-11°C

Record low

13°F · April 3, 1998

What April Is Like in Helsinki

April in Helsinki has become 2.0°C (3.6°F) warmer on average: the 2012–2026 average against 1970–1989.
5 of the 10 warmest Aprils on record in Helsinki have come since 2012.
The April heat record, 22°C (71°F) on April 28, 1993, has stood for 33 years.
On average, 11 nights in April drop below freezing.

At least 1 mm of rain falls on 24% of April days, and the month averages 35 mm in total.

Average daytime high in Helsinki, every April since 1971

Warmest: 2019 (11.2°C)Latest: 2026 (9.7°C)10-year averageLong-run average (7.6°C)

See the weather in Helsinki on any April date, year by year.

Source: NOAA GHCN-Daily, Helsinki Kaisaniemi Aws (1971–2026); Helsinki Rautatientori (2009–2015). Averages cover 1971–2026. How we compute this