Earliest and Latest Days of 20° C in Tromsø

This is a list of the earliest and latest days in the year with a high temperature of at least 20 °C in Tromsø, Norway history. It is based on NOAA data from the years 1920–2024.

Also see:

Earliest 20 degree day in Tromsø?

The earliest in the year that Tromsø, Norway had a high temperature of at least 20 °C is May 7 which happened in 2004.

Latest 20 degree day in Tromsø?

The latest in the year that Tromsø, Norway had a high temperature of at least 20 °C is September 11 which happened in 2019.

Earliest Days ≥ 20 °C

Date	Year	Temperature
May 7	2004	22.7 °C
May 10	2018	23.1 °C
May 14	2018	20.7 °C
May 16	2018	20.2 °C
May 16	2010	21.1 °C
May 17	2010	21.3 °C
May 21	2013	20.0 °C
May 22	2013	20.8 °C
May 23	2013	20.8 °C
May 24	2013	20.6 °C
May 26	2022	21.3 °C
May 26	1984	21.8 °C
May 26	1963	23.3 °C
May 27	1960	22.6 °C
May 28	2002	21.3 °C
May 28	1960	21.9 °C
May 29	2013	21.9 °C
May 29	2002	21.5 °C
May 29	1984	24.1 °C
May 29	1960	20.0 °C

Latest Days ≥ 20 °C

Date	Year	Temperature
September 11	2019	21.7 °C
September 10	2018	20.4 °C
September 4	1938	20.7 °C
September 3	2020	20.1 °C
September 3	1938	22.0 °C
September 2	2019	20.0 °C
September 2	1958	20.4 °C
September 2	1951	20.2 °C
September 2	1938	20.2 °C
September 1	2019	20.6 °C
September 1	1997	22.2 °C
September 1	1938	22.4 °C
August 31	1997	25.1 °C
August 31	1938	20.5 °C
August 30	1997	24.5 °C
August 29	2019	22.2 °C
August 29	2006	20.9 °C
August 29	1935	21.0 °C
August 29	1934	20.1 °C
August 28	2015	20.9 °C
August 28	2006	22.3 °C
August 28	1935	21.2 °C