Measurements:
°C
°F
Kotka
64°F
SE 11 mph
Feels like: 64°F
Precip: 42%
World Resorts Finland Kotka Weather

7 Day Weather Forecast

08.19
wed
DAY
62°F
SE 12 mph
precip
27%
NIGHT
58°F
E 12 mph
precip
7%
08.20
thu
DAY
60°F
N 6 mph
precip
10%
NIGHT
58°F
SE 7 mph
precip
23%
08.21
fri
DAY
60°F
N 11 mph
precip
11%
NIGHT
56°F
SE 2 mph
precip
27%
08.22
sat
DAY
62°F
NE 10 mph
precip
9%
NIGHT
60°F
E 12 mph
precip
10%
08.23
sun
DAY
64°F
NE 11 mph
precip
6%
NIGHT
58°F
E 9 mph
precip
18%
08.24
mon
DAY
60°F
SE 9 mph
precip
18%
NIGHT
56°F
S 9 mph
precip
14%
08.25
tue
DAY
62°F
NW 2 mph
precip
6%
NIGHT
62°F
SW 7 mph
precip
24%

Kotka Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Kotka was 16.5°F. The maximum and minimum values were 13.8°F and 19.3°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 67.2 °F
June 61.2 °F
Warmest sea temperature:
August 66.0 °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