World Resorts Finland Kotka Weather

Kotka 7 Days Forecast

05.08
wed
Day
64°F
N 6 mph
Precip.
7%
Night
64°F
W 9 mph
Precip.
12%
06.08
thu
Day
66°F
NE 13 mph
Precip.
13%
Night
64°F
NE 14 mph
Precip.
10%
07.08
fri
Day
66°F
NE 23 mph
Precip.
8%
Night
59°F
E 15 mph
Precip.
9%
08.08
sat
Day
64°F
E 14 mph
Precip.
8%
Night
57°F
SE 12 mph
Precip.
5%
09.08
sun
Day
63°F
NE 14 mph
Precip.
7%
Night
64°F
NE 22 mph
Precip.
11%
10.08
mon
Day
66°F
NE 24 mph
Precip.
13%
Night
63°F
E 13 mph
Precip.
9%
11.08
tue
Day
63°F
N 16 mph
Precip.
71%
Night
57°F
SE 25 mph
Precip.
8%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 65.4°F. The highest and lowest sea temperatures during the month were 75.9°F and 59.4°F.

Air temperature in Kotka, °F

Precipitation total in Kotka, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Kotka

Sunniest months:
July 15 days
June 14 days
May 13 days
Warmest months:
July 66.3 °F
August 65.5 °F
June 60.1 °F
Warmest sea temp:
August 64.4 °F
July 63.4 °F
September 59.4 °F
Coldest months:
February 26.4 °F
January 26.5 °F
March 32.7 °F
Rainiest months:
October 5 days
August 5 days
December 4 days
Windiest months:
December 14.7 mph
November 14.3 mph
October 13.9 mph

Kotka on a weather map

Current weather
23:28
Kotka
+64°F
W 9 mph
Feels like: +64°F
Precip.: 12%
Places in Finland:
Name
°F
Vaasa
+55°F
Vantaa
+63°F
Kemi
+54°F
Kotka
+64°F
Lappeenranta
+59°F
Lahti
+59°F
Oulu
+54°F
Pori
+59°F
Saariselka
+43°F
Savolinna
+54°F
Seinajoki
+54°F
Turku
+63°F
Helsinki
+63°F
Espoo
+63°F
Juvaskyla
+52°F
all places
24 Hours Forecast
Kotka
Local time: 23:28
August 06, thursday
0000
64°F
W
9 mph
0300
64°F
NW
10 mph
0600
64°F
N
7 mph
0900
66°F
NE
7 mph
1200
66°F
NE
13 mph
1500
68°F
NE
24 mph
1800
68°F
NE
22 mph
2100
64°F
NE
20 mph
Units of measurement: °C / °F