Current Sea Water Temperature:
+41.8°F
| Maximum Sea Water Temperature in May: | 60.6°F |
| Minimum Sea Water Temperature in May: | 35.8°F |
| Average water temperature in May: | 44.1°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 05 | 41.8°F | April 30 | 35.6°F |
| May 04 | 37.8°F | April 29 | 36.4°F |
| May 03 | 41.4°F | April 28 | 36.4°F |
| May 02 | 39.6°F | April 27 | 35.6°F |
| May 01 | 38.4°F | April 26 | 34.6°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 2023 for Helsinki was 64.3°F. The maximum and minimum values were 56.8°F and 68.0°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2023 for Helsinki was 61.0°F. The maximum and minimum values were 55.6°F and 67.6°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2023 for Helsinki was 63.2°F. The maximum and minimum values were 59.8°F and 65.6°F respectively.
Finland Resorts:
NAME
F°
| Espoo |  |
+36 |
| Helsinki |  |
+38 |
| Imatra | |
+28 |
| Juvaskyla | |
+26 |
| Kemi | |
+32 |
| Koli National Park | |
+22 |
| Kotka | |
+34 |
| Lahti | |
+34 |
| Lappeenranta | |
+36 |
| Oulu | |
+26 |
| Pori | |
+36 |
| Saariselka |  |
+26 |
| Turku | |
+40 |
| Vaasa | |
+30 |
| Vantaa | |
+36 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Helsinki
Local time: 03:33
06 may, monday
| 0600 |  |
38°F | W 9 mph |
| 0900 |  |
42°F | W 12 mph |
| 1200 | |
42°F | W 13 mph |
| 1500 | |
42°F | NW 9 mph |
| 1800 | |
42°F | NW 6 mph |
| 2100 | |
36°F | W 4 mph |
07 may, tuesday
| 0000 |  |
36°F | S 4 mph |
| 0300 | |
34°F | SW 4 mph |