Measurements:
°C
°F
CURRENT WEATHER
13:06
Kotka
58°F
S 12 mph
Feels like: 54°F
Precip: 0%
World Resorts Finland Kotka Weather

7 Day Weather Forecast

05.30
sat
DAY
58°F
S 12 mph
precip
0%
NIGHT
50°F
SW 7 mph
precip
0%
05.31
sun
DAY
48°F
NW 8 mph
precip
0%
NIGHT
48°F
S 1 mph
precip
0%
06.01
mon
DAY
52°F
N 7 mph
precip
0%
NIGHT
50°F
NE 7 mph
precip
0%
06.02
tue
DAY
54°F
N 8 mph
precip
0%
NIGHT
54°F
W 6 mph
precip
84%
06.03
wed
DAY
52°F
W 9 mph
precip
100%
NIGHT
54°F
S 10 mph
precip
100%
06.04
thu
DAY
56°F
W 8 mph
precip
100%
NIGHT
54°F
W 12 mph
precip
0%
06.05
fri
DAY
56°F
NW 10 mph
precip
0%
NIGHT
58°F
W 7 mph
precip
0%

Kotka Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Kotka was 7.5°F. The maximum and minimum values were 3.4°F and 10.5°F respectively.

Kotka on the Weather Map

Best Time to Visit Kotka
The most sunny months:
July 15 days
June 14 days
May 13 days
The most warm months:
July 68.3 °F
August 67.2 °F
June 61.3 °F
Warmest sea temperature:
August 66.0 °F
July 64.8 °F
September 60.5 °F
The most cold months:
February 23.8 °F
January 23.9 °F
March 30.8 °F
The most rainy months:
October 5 days
August 5 days
December 4 days
The most windy months:
December 14 mph
November 14 mph
October 14 mph
more details