Tromsø Weather Records

Tromsø, Norway weather averages and records from 1920–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Tromsø, Norway was 30.2 °C which occurred on July 1, 1972.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Tromsø, Norway was -18.4 °C which occurred on February 3, 1966.
Lowest Temperatures: All-Time By Year
Tromsø Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January -1.0 -5.3 8.4 -18.3 10.9
February -1.1 -5.7 8.2 -18.4 9.4
March 0.6 -4.4 9.7 -17.0 9.8
April 4.1 -1.6 17.0 -14.3 7.0
May 8.8 2.4 26.6 -6.6 5.6
June 13.0 6.2 29.9 -2.5 5.7
July 16.3 9.1 30.2 0.7 7.4
August 15.0 8.3 28.4 1.1 8.9
September 10.9 5.3 22.4 -4.3 11.1
October 5.2 0.9 18.6 -9.6 12.9
November 2.1 -1.9 11.9 -14.2 9.3
December 0.3 -3.9 9.7 -16.8 11.0
Entire year 6.2 0.8 30.2 -18.4 109.1
More Tromsø Weather Records
1920–2024
Highest daily low 20.8 °C July 30, 2018
Lowest daily high -15.2 °C February 6, 2012
Greatest daily range
(Difference of high and low)
20.9 °C June 24, 1970
Greatest difference in daily high
over two conscutive days
14.6 °C Oct 27–28, 2005
Most daily precipitation 11.6 cm February 23, 2024
Most monthly precipitation 31.7 cm February 2024
Most yearly precipitation 155.9 cm 1975
Most yearly days with precipitation 270 2020
Earliest freeze September 6 1972
Earliest day ≥ 20 °C May 7 2004
Earliest day ≥ 25 °C May 31 2013
Latest freeze June 10 1982
Latest day ≥ 20 °C September 11 2019
Latest day ≥ 25 °C August 31 1997
Most days in a year < 0 °C 205 1955
Most days in a year ≥ 20 °C 29 2023
Most days in a year ≥ 25 °C 12 1934
Most days in a year ≥ 30 °C 1 2022
Tromsø Weather Streaks
Most consecutive days...
With precipitation 52 days Dec 20, 1963 – Feb 9, 1964
Without precipitation 25 days Nov 20 – Dec 14, 1929
Freezing temperatures
High temperature ≤ 0 °C
53 days Jan 16 – Mar 9, 1977
High temperature ≥ 20 °C 12 days Jun 23 – Jul 4, 1978
High temperature ≥ 25 °C 7 days Jun 29 – Jul 5, 1972
Plant Hardiness Zone
7B
Tromsø is in plant hardiness zone 7B
based on average yearly minimum temperature from 1991–2020
Tromsø Weather by Year
More Tromsø Weather
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Weather Station Details
Years Station Coordinates
1920–2024 Tromso location