Current Sea Water Temperature:
+35.6°F
| Maximum Sea Water Temperature in December: | 42.8°F |
| Minimum Sea Water Temperature in December: | 31.4°F |
| Average water temperature in December: | 37.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 25 | 35.6°F | December 20 | 36.8°F |
| December 24 | 35.8°F | December 19 | 36.8°F |
| December 23 | 36.0°F | December 18 | 36.4°F |
| December 22 | 36.4°F | December 17 | 36.8°F |
| December 21 | 36.4°F | December 16 | 37.6°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
Sea Water Temperature in August
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
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
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 |  |
+38 |
| Helsinki | |
+40 |
| Imatra | |
+34 |
| Juvaskyla | |
+34 |
| Kemi | |
+36 |
| Koli National Park |  |
+30 |
| Lahti | |
+34 |
| Lappeenranta | |
+34 |
| Oulu | |
+36 |
| Saariselka | |
+32 |
| Savolinna | |
+32 |
| Seinajoki | |
+36 |
| Turku | |
+38 |
| Vaasa | |
+36 |
| Vantaa | |
+38 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Helsinki
Local time: 14:57
25 dec, wednesday
| 1500 |  |
40°F | NE 14 mph |
| 1800 | |
40°F | NE 11 mph |
| 2100 | |
40°F | NE 11 mph |
26 dec, thursday
| 0000 | |
42°F | NE 14 mph |
| 0300 | |
42°F | NE 14 mph |
| 0600 | |
42°F | NE 16 mph |
| 0900 | |
42°F | NE 17 mph |
| 1200 | |
42°F | NE 14 mph |