World Resorts Finland Kotka Weather

Kotka 7 Days Forecast

17.05
sun
Day
48°F
NE 11 mph
Precip.
0%
Night
46°F
E 7 mph
Precip.
0%
18.05
mon
Day
55°F
SW 4 mph
Precip.
0%
Night
50°F
SW 15 mph
Precip.
100%
19.05
tue
Day
52°F
NW 9 mph
Precip.
100%
Night
50°F
NW 8 mph
Precip.
85%
20.05
wed
Day
46°F
NE 13 mph
Precip.
0%
Night
48°F
E 6 mph
Precip.
0%
21.05
thu
Day
50°F
N 7 mph
Precip.
0%
Night
48°F
N 4 mph
Precip.
0%
22.05
fri
Day
50°F
N 7 mph
Precip.
74%
Night
46°F
E 11 mph
Precip.
0%
23.05
sat
Day
52°F
NE 13 mph
Precip.
78%
Night
48°F
NE 15 mph
Precip.
100%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 42.4°F. The highest and lowest sea temperatures during the month were 45.5°F and 38.1°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 60.2 °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
04:37
Kotka
+45°F
NE 9 mph
Feels like: +41°F
Precip.: 0%
Places in Finland:
Name
°F
Vaasa
+46°F
Vantaa
+45°F
Imatra
+50°F
Kemi
+45°F
Koli National Park
+45°F
Kotka
+45°F
Lahti
+45°F
Oulu
+43°F
Porvoo
+45°F
Pori
+45°F
Saariselka
+43°F
Turku
+43°F
Helsinki
+45°F
Espoo
+45°F
Juvaskyla
+46°F
all places
24 Hours Forecast
Kotka
Local time: 04:37
May 17, sunday
0600
45°F
NE
9 mph
0900
46°F
NE
8 mph
1200
48°F
NE
11 mph
1500
48°F
NE
9 mph
1800
48°F
NE
9 mph
2100
46°F
NE
7 mph
May 18, monday
0000
46°F
E
7 mph
0300
45°F
SE
6 mph
Units of measurement: °C / °F