Current Sea Water Temperature:
+38.4°F
| Maximum Sea Water Temperature in April: | 45.4°F |
| Minimum Sea Water Temperature in April: | 26.8°F |
| Average water temperature in April: | 34.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 15 | 38.4°F | April 10 | 36.6°F |
| April 14 | 36.0°F | April 09 | 36.8°F |
| April 13 | 35.8°F | April 08 | 36.4°F |
| April 12 | 35.0°F | April 07 | 36.0°F |
| April 11 | 35.2°F | April 06 | 36.6°F |
When is the Warmest Sea for Helsinki?
According to our data for the last three years for Helsinki the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
11
22
33
44
55
66
77
37.4
43.6
50.3
59.7
64.5
63.1
55.6
44.3
34.6
30.5
30.1
32.4
Sea Water Temperature in August
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
52
56
60
64
68
72
76
The average sea surface temperature in August 2024 for Helsinki was 67.0°F. The maximum and minimum values were 62.4°F and 71.2°F respectively.
Sea Water Temperature in July
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
51
55
59
63
67
71
75
79
The average sea surface temperature in July 2024 for Helsinki was 65.1°F. The maximum and minimum values were 57.8°F and 72.4°F respectively.
Sea Water Temperature in September
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
52
55
58
61
64
67
70
73
The average sea surface temperature in September 2024 for Helsinki was 63.0°F. The maximum and minimum values were 60.0°F and 66.0°F respectively.
Finland Resorts:
NAME
F°
| Espoo |  |
+42 |
| Helsinki | |
+42 |
| Imatra |  |
+40 |
| Juvaskyla | |
+40 |
| Kemi |  |
+30 |
| Koli National Park | |
+30 |
| Kotka | |
+40 |
| Lahti | |
+40 |
| Lappeenranta | |
+42 |
| Oulu | |
+36 |
| Porvoo | |
+42 |
| Saariselka | |
+24 |
| Turku | |
+44 |
| Vaasa | |
+36 |
| Vantaa | |
+42 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Helsinki
Local time: 07:05
16 apr, wednesday
| 0900 |  |
48°F | W 9 mph |
| 1200 |  |
52°F | W 11 mph |
| 1500 | |
54°F | W 14 mph |
| 1800 | |
50°F | NW 11 mph |
| 2100 |  |
48°F | E 2 mph |
17 apr, thursday
| 0000 | |
46°F | NW 6 mph |
| 0300 | |
44°F | N 5 mph |
| 0600 | |
44°F | N 4 mph |