06.04
mon
mon
Day

34°F
NE 16 mph
Precip.
100%
100%
Night

34°F
S 9 mph
Precip.
100%
100%
07.04
tue
tue
Day

37°F
S 12 mph
Precip.
68%
68%
Night

37°F
S 14 mph
Precip.
0%
0%
08.04
wed
wed
Day

37°F
SW 14 mph
Precip.
0%
0%
Night

32°F
S 7 mph
Precip.
0%
0%
09.04
thu
thu
Day

37°F
N 2 mph
Precip.
0%
0%
Night

32°F
NE 7 mph
Precip.
0%
0%
10.04
fri
fri
Day

39°F
NE 12 mph
Precip.
0%
0%
Night

37°F
SE 9 mph
Precip.
0%
0%
11.04
sat
sat
Day

43°F
NE 8 mph
Precip.
0%
0%
Night

39°F
N 9 mph
Precip.
0%
0%
12.04
sun
sun
Day

46°F
N 14 mph
Precip.
0%
0%
Night

45°F
NE 12 mph
Precip.
0%
0%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
14 days
forecast
forecast
| Helsinki |
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 39.3°F. The highest and lowest sea temperatures during the month were 43.3°F and 35.8°F.
Air temperature in Helsinki, °F
Precipitation total in Helsinki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 01:46
April 06, monday
0300

37°F
N
19 mph
19 mph
0600

36°F
N
21 mph
21 mph
0900

34°F
N
19 mph
19 mph
1200

34°F
NE
16 mph
16 mph
1500

36°F
NE
14 mph
14 mph
1800

34°F
NE
7 mph
7 mph
2100

34°F
SW
6 mph
6 mph
April 07, tuesday
0000

34°F
S
9 mph
9 mph


























