Turku Weather Records

Turku, Finland weather averages and records from 1952–2024 based on data made available by the NOAA.

All-Time Recorded High

The highest temperature ever recorded in Turku, Finland was 32.5 °C which occurred on July 14, 2021.

Highest Temperatures: All-Time By Year

All-Time Recorded Low

The lowest temperature ever recorded in Turku, Finland was -35.2 °C which occurred on February 3, 1966.

Lowest Temperatures: All-Time By Year

Turku Weather by Month

Averages based on the years 1991–2020

Month	Average (°C)		Record (°C)		Average (cm)
Month	High ☀️	Low 🌙	High ☀️	Low 🌙	Precipitation 💧
January	-0.6	-6.0	8.5	-34.8	6.2
February	-1.7	-7.8	10.2	-35.2	4.5
March	2.4	-4.7	15.8	-27.2	4.3
April	9.1	-0.1	24.5	-18.9	3.3
May	15.2	4.5	30.0	-6.2	3.5
June	19.8	9.4	32.0	-2.2	5.9
July	22.5	12.6	32.5	1.8	8.0
August	21.2	11.7	32.0	0.2	7.4
September	15.5	7.4	27.7	-6.9	6.0
October	8.7	3.0	18.9	-15.0	7.2
November	3.2	-1.2	14.0	-22.2	7.0
December	0.5	-4.4	10.0	-33.8	6.7
Entire year	9.7	2.1	32.5	-35.2	70.4

More Turku Weather Records 1952–2024
Highest daily low	21.6 °C	July 14, 2010
Lowest daily high	-27.8 °C	January 12, 1987
Greatest daily range (Difference of high and low)	31.2 °C	December 10, 1973
Greatest difference in daily high over two conscutive days	22.2 °C	Dec 9–10, 1973
Most daily precipitation	6.2 cm	July 28, 1988
Most monthly precipitation	18.3 cm	August 1967
Most yearly precipitation	90.0 cm	1984
Most yearly days with precipitation	239	1979
Earliest freeze	September 2	2003
Earliest day ≥ 20 °C	April 14	1989
Earliest day ≥ 25 °C	May 5	2004
Earliest day ≥ 30 °C	May 31	1995
Latest freeze	June 7	2009
Latest day ≥ 20 °C	September 27	2020
Latest day ≥ 25 °C	September 7	1968
Latest day ≥ 30 °C	August 16	2022
Most days in a year < 0 °C	182	1976
Most days in a year ≥ 20 °C	96	2002
Most days in a year ≥ 25 °C	41	1997
Most days in a year ≥ 30 °C	8	2003

Turku Weather Streaks Most consecutive days...
With precipitation	28 days	Jan 26 – Feb 22, 1969
Without precipitation	27 days	Mar 11 – Apr 6, 1964
Freezing temperatures High temperature ≤ 0 °C	75 days	Dec 26, 1984 – Mar 10, 1985
High temperature ≥ 20 °C	65 days	Jul 8 – Sep 10, 2002
High temperature ≥ 25 °C	17 days	Jul 1–17, 2021
High temperature ≥ 30 °C	5 days	Jun 26–30, 2022

Plant Hardiness Zone

Turku is in plant hardiness zone 6A

based on average yearly minimum temperature from 1991–2020

Turku Weather by Year

More Turku Weather

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Weather Station Details

Years	Station	Coordinates
1952–2024	Turku Turun Lentoasema	location