
#1 in August
17.6°C
NOAA Season Curve (May–Oct):
M
8.5°
J
13.8°
J
17.2°
A
17.6°
S
14.2°
O
9.5°
N
5.4°
Complete 12-month annual water temperature curves across all 5 surveyed coastlines in Finland. Includes regional upwelling, bathymetric dynamics, and peak bathing windows.
Individual coordinate lookups from NOAA 0.25° marine grid.