THE CLIMATE STORY OF

TROMSO

≈3.1 °C warmer today than in the mid-20th century

1940: -0.3 °C1941: 0.3 °C1942: -0.8 °C1943: 0.6 °C1944: 0.6 °C1945: -0.1 °C1946: 0.4 °C1947: -1.0 °C1948: 1.1 °C1949: 0.4 °C1950: 0.5 °C1951: -0.3 °C1952: -0.5 °C1953: 2.1 °C1954: 0.6 °C1955: -2.4 °C1956: -1.1 °C1957: 0.6 °C1958: -0.4 °C1959: 0.9 °C1960: 0.4 °C1961: 0.4 °C1962: -1.4 °C1963: 0.2 °C1964: 0.6 °C1965: -1.5 °C1966: -2.3 °C1967: 0.3 °C1968: -1.1 °C1969: 0.3 °C1970: 0.1 °C1971: -0.6 °C1972: 1.9 °C1973: -0.1 °C1974: 1.4 °C1975: 0.4 °C1976: -1.0 °C1977: -0.3 °C1978: -0.4 °C1979: 0.3 °C1980: 0.5 °C1981: -1.4 °C1982: 0.6 °C1983: 0.6 °C1984: 1.2 °C1985: -0.7 °C1986: 0.2 °C1987: -0.2 °C1988: -0.0 °C1989: 1.9 °C1990: 2.5 °C1991: 1.6 °C1992: 1.4 °C1993: 1.2 °C1994: 0.8 °C1995: 0.5 °C1996: 0.6 °C1997: 1.4 °C1998: 0.5 °C1999: 0.8 °C2000: 1.9 °C2001: 0.5 °C2002: 1.1 °C2003: 1.8 °C2004: 1.9 °C2005: 2.3 °C2006: 2.0 °C2007: 2.0 °C2008: 0.8 °C2009: 1.0 °C2010: -0.0 °C2011: 2.9 °C2012: 0.4 °C2013: 2.7 °C2014: 2.3 °C2015: 2.7 °C2016: 2.9 °C2017: 2.5 °C2018: 2.9 °C2019: 2.3 °C2020: 3.6 °C2021: 2.4 °C2022: 3.3 °C2023: 2.9 °C2024: 3.9 °C2025: 3.8 °C
1940Annual mean temperature, 1940–20252025

Heat-record watch

Warmest day of the last 14 days: 19.1 °C (August 20, 2026)

All-time record since 1940: 29.3 °C (June 29, 2022)

How much has Tromso warmed since 1940? See its climate story in warming stripes — then enter your birth year to see the story of your own lifetime.

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Data: Open-Meteo (ERA5 reanalysis). Warming-stripes concept: Ed Hawkins.