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Kotka weather in April

Weather in Kotka: April

Average day temperature: 40.1°F
Average night temperature: 34.7°F
Sea water temperature: 35.7°F
Number of sunny days: 7 days
Day length: 13.3 - 16.0 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 49°F. At the same time the lowest night temperature was 29°F. Daily and nightly averages during April were 40.1°F and 35.5°F.

Sea water temperature in Kotka in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 37.2°F. The highest and lowest sea temperatures during the month were 41.0°F and 32.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Kotka in April is 1.2 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 10.5 mph It makes April one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 6.3.

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

Kotka
+45°F
NE 9 mph
Feels like: +41°F
Precip.: 0%
Places in Finland:
Name
°F
+46°F
+45°F
+50°F
+45°F
+45°F
+45°F
+43°F
+45°F
+45°F
+43°F
+43°F
+45°F
+45°F
+46°F
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