Measurements:
°C
°F
Helsinki
38°F
N 7 mph
Feels like: 34°F
Precip: 0%
World Resorts Finland Helsinki Weather April Weather in Helsinki

Helsinki Weather: April

Average Day Temperature: 41.7°F
Average Night Temperature: 33.7°F
Sea Water Temperature: 34.8°F
Number of Sunny Days: 8 days
Sunshine Hours: 13.3 - 15.9 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.3 in

Air Temperature in April, °F

Select Year: 2025 2024 2023

The highest day temperature in April 2025 was 58°F. The lowest night temperature was 25°F. The average values for day and night temperatures during April were 43.1°F и 36.6°F respectivly.

Helsinki Water Sea Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Helsinki was 38.2°F. The maximum and minimum values were 34.2°F and 42.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation Totals in April, in

Precipitation total in April for Helsinki is 1.3 in. It makes april one of the least rainy months of the year.

Wind Speed in April, mph

The average wind speed in April is 9.6 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Helsinki in April is 6.6 hours.

Best Time to Visit Helsinki
The most sunny months:
June 15 days
July 15 days
May 14 days
The most warm months:
July 70.8 °F
August 69.0 °F
June 64.8 °F
Warmest sea temperature:
August 64.6 °F
July 63.2 °F
September 59.8 °F
The most cold months:
January 26.0 °F
February 26.8 °F
December 31.7 °F
The most rainy months:
August 5 days
July 4 days
October 4 days
The most windy months:
December 12 mph
November 12 mph
January 11 mph

Helsinki on the Weather Map

Finland Resorts:
NAME
Espoo +38
Helsinki +38
Juvaskyla +34
Kemi +30
Koli National Park +32
Kotka +38
Lahti +36
Lappeenranta +36
Oulu +34
Pori +38
Saariselka +14
Savolinna +34
Turku +40
Vaasa +38
Vantaa +38
24 Hours Weather Forecast
Helsinki
Local time: 08:37
05 dec, friday
0900 38°F
N
7 mph
1200 38°F
N
6 mph
1500 38°F
N
5 mph
1800 38°F
NW
6 mph
2100 40°F
NW
6 mph
06 dec, saturday
0000 40°F
NW
6 mph
0300 40°F
NW
7 mph
0600 38°F
W
9 mph