Kotka Average Temperature by Month

This page shows the average temperature in each month of the year in Kotka, Finland. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Kotka?
In Kotka, Finland, the warmest month is July, with an average daily high temperature of 21.0 °C and an average low of 14.9 °C.
What's the Coldest Month in Kotka?
In Kotka, Finland, the coolest month is February, with an average daily high temperature of -2.6 °C and an average low of -7.5 °C.
Month Avg. High Avg. Low
January -1.7 °C -6.1 °C
February -2.6 °C -7.5 °C
March 0.7 °C -4.8 °C
April 5.9 °C 0.2 °C
May 12.5 °C 5.8 °C
June 17.4 °C 11.1 °C
July 21.0 °C 14.9 °C
August 20.0 °C 14.4 °C
September 14.9 °C 10.3 °C
October 8.7 °C 5.0 °C
November 4.1 °C 0.7 °C
December 1.0 °C -2.9 °C
Year 8.5 °C 3.5 °C
Weather Station Details
Years Station Coordinates
1959–2024 Kotka Rankki location
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