World Resorts Finland Kotka Weather

Kotka 14 Days Forecast

18.07
sat
Day
68°F
N 14 mph
Precip.
19%
Night
66°F
N 20 mph
Precip.
31%
19.07
sun
Day
63°F
E 23 mph
Precip.
25%
Night
55°F
S 11 mph
Precip.
9%
20.07
mon
Day
57°F
SW 14 mph
Precip.
15%
Night
55°F
SW 20 mph
Precip.
11%
21.07
tue
Day
50°F
SW 21 mph
Precip.
54%
Night
54°F
SW 11 mph
Precip.
33%
22.07
wed
Day
61°F
W 4 mph
Precip.
19%
Night
57°F
S 11 mph
Precip.
38%
23.07
thu
Day
61°F
SW 11 mph
Precip.
38%
Night
57°F
S 12 mph
Precip.
13%
24.07
fri
Day
59°F
S 10 mph
Precip.
18%
Night
55°F
S 7 mph
Precip.
18%
25.07
sat
Day
61°F
E 3 mph
Precip.
8%
Night
63°F
N 10 mph
Precip.
18%
26.07
sun
Day
64°F
N 17 mph
Precip.
11%
Night
66°F
N 14 mph
Precip.
8%
27.07
mon
Day
66°F
NW 12 mph
Precip.
8%
Night
66°F
W 11 mph
Precip.
10%
28.07
tue
Day
66°F
NW 7 mph
Precip.
11%
Night
66°F
N 4 mph
Precip.
15%
29.07
wed
Day
66°F
N 9 mph
Precip.
9%
Night
63°F
NE 8 mph
Precip.
12%
30.07
thu
Day
64°F
NW 14 mph
Precip.
11%
Night
63°F
N 24 mph
Precip.
41%
31.07
fri
Day
61°F
N 26 mph
Precip.
79%
Night
61°F
N 17 mph
Precip.
33%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 64.2°F. The highest and lowest sea temperatures during the month were 67.8°F and 62.1°F.

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 66.5 °F
August 65.5 °F
June 60.1 °F
Warmest sea temp:
August 64.4 °F
July 63.3 °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
09:19
Kotka
+66°F
N 14 mph
Feels like: +66°F
Precip.: 13%
Places in Finland:
Name
°F
Vaasa
+59°F
Vantaa
+68°F
Kemi
+55°F
Kotka
+66°F
Lappeenranta
+66°F
Lahti
+70°F
Oulu
+61°F
Pori
+64°F
Saariselka
+54°F
Savolinna
+66°F
Seinajoki
+64°F
Turku
+68°F
Helsinki
+66°F
Espoo
+68°F
Juvaskyla
+70°F
all places
24 Hours Forecast
Kotka
Local time: 09:19
July 18, saturday
1200
68°F
N
14 mph
1500
68°F
N
17 mph
1800
70°F
N
20 mph
2100
70°F
NW
21 mph
July 19, sunday
0000
66°F
N
20 mph
0300
64°F
N
22 mph
0600
63°F
NE
26 mph
0900
63°F
NE
31 mph
Units of measurement: °C / °F