Kotka Weather Records

Kotka, Finland weather averages and records from 1959–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Kotka, Finland was 31.7 °C which occurred on July 16, 2021.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Kotka, Finland was -35.3 °C which occurred on January 10, 1987.
Lowest Temperatures: All-Time By Year
Kotka Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January -1.7 -6.1 7.1 -35.3 4.2
February -2.6 -7.5 6.4 -32.7 4.0
March 0.7 -4.8 12.1 -27.5 3.3
April 5.9 0.2 18.6 -18.3 2.9
May 12.5 5.8 25.4 -4.1 3.1
June 17.4 11.1 29.8 1.8 5.0
July 21.0 14.9 31.7 6.6 4.3
August 20.0 14.4 29.5 5.5 5.4
September 14.9 10.3 24.0 -0.7 5.0
October 8.7 5.0 16.1 -8.0 6.1
November 4.1 0.7 12.6 -16.5 6.1
December 1.0 -2.9 8.3 -29.8 4.8
Entire year 8.5 3.5 31.7 -35.3 55.1
More Kotka Weather Records
1959–2024
Highest daily low 23.4 °C July 16, 2021
Lowest daily high -26.0 °C February 3, 1966
Greatest daily range
(Difference of high and low)
25.9 °C December 10, 1973
Greatest difference in daily high
over two conscutive days
18.0 °C Jan 19–20, 1968
Most daily precipitation 5.3 cm August 7, 1966
Most monthly precipitation 15.9 cm October 1974
Most yearly precipitation 82.6 cm 1981
Most yearly days with precipitation 212 1974
Earliest freeze September 27 1986
Earliest day ≥ 20 °C May 7 2006
Earliest day ≥ 25 °C May 30 1960
Latest freeze May 16 1965
Latest day ≥ 20 °C September 12 2023
Latest day ≥ 25 °C August 23 2002
Most days in a year < 0 °C 169 1960
Most days in a year ≥ 20 °C 69 2006
Most days in a year ≥ 25 °C 27 2021
Most days in a year ≥ 30 °C 3 2021
Kotka Weather Streaks
Most consecutive days...
With precipitation 32 days Nov 4 – Dec 5, 1979
Without precipitation 28 days Mar 9 – Apr 5, 1964
Freezing temperatures
High temperature ≤ 0 °C
82 days Dec 13, 1969 – Mar 4, 1970
High temperature ≥ 20 °C 55 days Jun 30 – Aug 23, 2010
High temperature ≥ 25 °C 17 days Jul 13–29, 2018
High temperature ≥ 30 °C 3 days Jul 14–16, 2021
Plant Hardiness Zone
6B
Kotka is in plant hardiness zone 6B
based on average yearly minimum temperature from 1991–2020
Kotka Weather by Year
More Kotka Weather
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Weather Station Details
Years Station Coordinates
1959–2024 Kotka Rankki location