Measurements:
°C
°F
Kotka
66°F
NE 11 mph
Feels like: 66°F
Precip: 7%
World Resorts Finland Kotka Weather

7 Day Weather Forecast

07.30
thu
DAY
66°F
NE 11 mph
precip
7%
NIGHT
66°F
NE 9 mph
precip
12%
07.31
fri
DAY
68°F
N 13 mph
precip
11%
NIGHT
66°F
NE 8 mph
precip
16%
08.01
sat
DAY
68°F
NE 9 mph
precip
6%
NIGHT
62°F
E 13 mph
precip
8%
08.02
sun
DAY
66°F
NE 19 mph
precip
17%
NIGHT
62°F
E 17 mph
precip
9%
08.03
mon
DAY
66°F
NE 22 mph
precip
5%
NIGHT
60°F
E 14 mph
precip
8%
08.04
tue
DAY
64°F
NE 12 mph
precip
25%
NIGHT
64°F
NE 11 mph
precip
9%
08.05
wed
DAY
66°F
S 6 mph
precip
15%
NIGHT
60°F
S 9 mph
precip
5%

Kotka Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Kotka was 18.4°F. The maximum and minimum values were 16.7°F and 20.3°F respectively.

Kotka on the Weather Map

Best Time to Visit Kotka
The most sunny months:
June 14 days
July 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