THE CLIMATE STORY OF

OULU

≈1.7 °C warmer today than in the mid-20th century

1940: 1.5 °C1941: 0.6 °C1942: 1.0 °C1943: 4.1 °C1944: 3.4 °C1945: 1.8 °C1946: 2.8 °C1947: 1.9 °C1948: 3.5 °C1949: 4.0 °C1950: 3.1 °C1951: 2.7 °C1952: 1.9 °C1953: 3.8 °C1954: 3.1 °C1955: 0.3 °C1956: 0.7 °C1957: 3.0 °C1958: 1.5 °C1959: 3.2 °C1960: 2.8 °C1961: 3.5 °C1962: 1.7 °C1963: 2.3 °C1964: 2.6 °C1965: 1.9 °C1966: 0.7 °C1967: 2.9 °C1968: 1.3 °C1969: 1.5 °C1970: 2.3 °C1971: 1.6 °C1972: 3.9 °C1973: 2.6 °C1974: 3.9 °C1975: 3.6 °C1976: 1.5 °C1977: 2.0 °C1978: 1.1 °C1979: 2.1 °C1980: 1.6 °C1981: 1.2 °C1982: 2.3 °C1983: 2.7 °C1984: 3.0 °C1985: 0.2 °C1986: 1.7 °C1987: 0.3 °C1988: 2.5 °C1989: 4.1 °C1990: 3.5 °C1991: 3.1 °C1992: 3.1 °C1993: 2.5 °C1994: 2.4 °C1995: 2.9 °C1996: 2.5 °C1997: 2.9 °C1998: 2.0 °C1999: 2.7 °C2000: 4.1 °C2001: 2.5 °C2002: 2.8 °C2003: 3.2 °C2004: 3.2 °C2005: 4.1 °C2006: 3.6 °C2007: 3.6 °C2008: 3.8 °C2009: 3.1 °C2010: 1.6 °C2011: 4.1 °C2012: 2.3 °C2013: 4.2 °C2014: 4.5 °C2015: 4.7 °C2016: 4.0 °C2017: 3.3 °C2018: 4.1 °C2019: 3.4 °C2020: 5.1 °C2021: 3.0 °C2022: 4.0 °C2023: 3.6 °C2024: 4.3 °C2025: 4.8 °C
1940Annual mean temperature, 1940–20252025

Heat-record watch

Warmest day of the last 14 days: 20.2 °C (August 15, 2026)

All-time record since 1940: 31.2 °C (July 31, 2025)

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

Enter your birth year — see YOUR story

Your hometown, your lifetime, in warming stripes. Free, no sign-up.

More cities · Which cities have warmed the most? · Embed this chart on your site · climatestory.app

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