World Resorts Finland Kotka Weather

Kotka 14 Days Forecast

27.08
thu
Day
63°F
W 2 mph
Precip.
19%
Night
61°F
E 6 mph
Precip.
18%
28.08
fri
Day
63°F
NE 6 mph
Precip.
29%
Night
63°F
N 11 mph
Precip.
31%
29.08
sat
Day
61°F
NW 20 mph
Precip.
27%
Night
63°F
N 22 mph
Precip.
28%
30.08
sun
Day
61°F
NE 12 mph
Precip.
35%
Night
61°F
NE 16 mph
Precip.
18%
31.08
mon
Day
61°F
NE 14 mph
Precip.
19%
Night
63°F
W 7 mph
Precip.
27%
01.09
tue
Day
61°F
NE 20 mph
Precip.
51%
Night
59°F
NE 14 mph
Precip.
42%
02.09
wed
Day
59°F
E 17 mph
Precip.
45%
Night
57°F
E 14 mph
Precip.
32%
03.09
thu
Day
59°F
NE 9 mph
Precip.
32%
Night
55°F
E 16 mph
Precip.
71%
04.09
fri
Day
57°F
E 9 mph
Precip.
31%
Night
59°F
N 6 mph
Precip.
19%
05.09
sat
Day
57°F
NW 8 mph
Precip.
72%
Night
55°F
W 17 mph
Precip.
32%
06.09
sun
Day
48°F
SW 16 mph
Precip.
27%
Night
50°F
S 9 mph
Precip.
16%
07.09
mon
Day
52°F
SE 13 mph
Precip.
13%
Night
46°F
SE 11 mph
Precip.
10%
08.09
tue
Day
50°F
S 10 mph
Precip.
10%
Night
50°F
SE 9 mph
Precip.
15%
09.09
wed
Day
52°F
SE 6 mph
Precip.
13%
Night
54°F
NE 3 mph
Precip.
13%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 61.2°F. The highest and lowest sea temperatures during the month were 66.7°F and 56.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 61.4°F. The highest and lowest sea temperatures during the month were 65.1°F and 56.5°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 65.4 °F
June 60.1 °F
Warmest sea temp:
August 64.2 °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

Kotka
+64°F
NE 7 mph
Feels like: +64°F
Precip.: 10%
Places in Finland:
Name
°F
+64°F
+64°F
+57°F
+64°F
+64°F
+68°F
+61°F
+64°F
+54°F
+63°F
+68°F
+64°F
+64°F
+64°F
+64°F
24 Hours Forecast
Kotka
Local time: 17:40
August 27, thursday
1800
64°F
NE
7 mph
2100
63°F
E
6 mph
August 28, friday
0000
61°F
E
6 mph
0300
61°F
E
3 mph
0600
61°F
NE
3 mph
0900
63°F
N
5 mph
1200
63°F
NE
6 mph
1500
63°F
N
8 mph
Units of measurement: °C / °F