Measurements:
°C
°F
Kotka
44°F
SW 3 mph
Feels like: 42°F
Precip: 13%
World Resorts Finland Kotka Weather

7 Day Weather Forecast

10.19
mon
DAY
50°F
N 9 mph
precip
4%
NIGHT
48°F
N 10 mph
precip
3%
10.20
tue
DAY
48°F
NW 11 mph
precip
4%
NIGHT
50°F
NW 15 mph
precip
5%
10.21
wed
DAY
50°F
NW 17 mph
precip
9%
NIGHT
52°F
NW 18 mph
precip
24%
10.22
thu
DAY
52°F
NW 22 mph
precip
25%
NIGHT
54°F
N 17 mph
precip
32%
10.23
fri
DAY
52°F
NE 6 mph
precip
30%
NIGHT
52°F
W 7 mph
precip
39%
10.24
sat
DAY
52°F
NW 17 mph
precip
23%
NIGHT
52°F
NW 16 mph
precip
23%
10.25
sun
DAY
50°F
NW 10 mph
precip
20%
NIGHT
52°F
N 7 mph
precip
26%

Kotka Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Kotka was 12.6°F. The maximum and minimum values were 11.3°F and 13.9°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 68.1 °F
August 67.1 °F
June 61.2 °F
Warmest sea temperature:
August 65.7 °F
July 64.9 °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