Measurements:
°C
°F
Kotka
62°F
N 17 mph
Feels like: 62°F
Precip: 26%
World Resorts Finland Kotka Weather August Weather in Kotka

Kotka Weather: August

Average Day Temperature: 67.1°F
Average Night Temperature: 61.1°F
Sea Water Temperature: 65.7°F
Number of Sunny Days: 12 days
Sunshine Hours: 14.3 - 16.9 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.7 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 70°F. The lowest night temperature was 25°F. The average values for day and night temperatures during August were 64.9°F и 59.1°F respectivly.

Kotka Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Kotka was 62.5°F. The maximum and minimum values were 57.6°F and 68.6°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Kotka is 2.7 in. It makes august the most rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 11.3 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Kotka in August is 9.1 hours.

Best Time to Visit Kotka
The most sunny months:
July 15 days
June 14 days
May 13 days
The most warm months:
July 68.1 °F
August 67.1 °F
June 61.2 °F
Warmest sea temperature:
August 65.7 °F
July 64.9 °F
September 60.5 °F
The most cold months:
February 23.8 °F
January 23.9 °F
March 30.8 °F
The most rainy months:
October 5 days
August 5 days
December 4 days
The most windy months:
December 14 mph
November 14 mph
October 14 mph

Kotka on the Weather Map

Finland Resorts:
NAME
Espoo +60
Helsinki +60
Juvaskyla +54
Kemi +54
Koli National Park +56
Lahti +58
Lappeenranta +58
Oulu +54
Pori +60
Saariselka +44
Savolinna +56
Seinajoki +56
Turku +60
Vaasa +60
Vantaa +60
24 Hours Weather Forecast
Kotka
Local time: 23:16
09 sep, wednesday
0000 62°F
N
17 mph
0300 62°F
NE
17 mph
0600 62°F
NE
19 mph
0900 62°F
NE
19 mph
1200 62°F
NE
16 mph
1500 62°F
NE
14 mph
1800 62°F
NE
15 mph
2100 62°F
N
11 mph