Average sea water temperature in May:
+44.6°F
| Minimum sea water temperature in May: | 55.4°F |
| Maximum sea water temperature in May: | 33.3°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 42.2°F. The highest and lowest sea temperatures during the month were 47.7°F and 35.1°F.
Monthly sea water temperature in Pori, °F
Which Finland resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Lahti | 45.8°F | 47.5°F |
| Porvoo | 45.2°F | 47.1°F |
| Lappeenranta | 44.7°F | 46.3°F |
| Espoo | 44.1°F | 46.2°F |
| Helsinki | 43.9°F | 46.3°F |
| Vaasa | 43.9°F | 47.1°F |
| Seinajoki | 43.8°F | 45.2°F |
| Vantaa | 43.7°F | 46.0°F |
| Turku | 43.0°F | 45.7°F |
| Kotka | 42.7°F | 45.7°F |
| Pori | 42.2°F | 46.9°F |
| Juvaskyla | 41.7°F | 43.8°F |
| Savolinna | 41.5°F | 43.1°F |
| Imatra | 40.5°F | 43.1°F |
| Oulu | 39.6°F | 39.1°F |
| Saariselka | 36.6°F | 38.1°F |
| Kemi | 34.3°F | 37.6°F |
| Koli National Park | 33.6°F | 39.1°F |
Best time for vacation in Pori
Pori on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Pori
Local time: 21:37
May 18, monday
0000
45°F
N
8 mph
8 mph
0300
43°F
N
6 mph
6 mph
0600
43°F
N
4 mph
4 mph
0900
54°F
NE
4 mph
4 mph
1200
57°F
E
6 mph
6 mph
1500
57°F
SE
7 mph
7 mph
1800
57°F
SE
9 mph
9 mph
2100
52°F
S
7 mph
7 mph
