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Has the climate in Sherbrooke changed?

Sherbrooke has warmed about 1.7°F between 1971 and 2020.

About 0.3°F per decade, measured from Sherbrooke's official daily weather records, 1971–2020. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Sherbrooke's warming is broadly in line with other cities in Canada — neither unusually fast nor unusually slow.

What has actually changed

Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.

Average temperature
+1.3°F
1970s
41.7°F
Recent
43.0°F
A steady upward drift

Sherbrooke's temperature, year by year

Average temperature for each year from 1971 to 2020.

38°40°42°44°46°48°1971: 40.8°F1972: 40.3°F1973: 43.1°F1974: 41.3°F1975: 43.1°F1976: 40.6°F1977: 42.0°F1978: 40.0°F1979: 42.9°F1980: 40.3°F1981: 43.0°F1982: 41.0°F1983: 43.2°F1984: 43.2°F1985: 40.8°F1986: 41.8°F1987: 42.6°F1988: 42.4°F1989: 40.6°F1990: 44.3°F1991: 42.9°F1992: 40.9°F1993: 41.3°F1994: 41.4°F1995: 46.3°F1996: 44.1°F1997: 41.0°F1998: 45.4°F1999: 43.1°F2000: 41.7°F2001: 42.7°F2002: 42.9°F2003: 40.4°F2004: 41.1°F2005: 43.5°F2006: 43.7°F2007: 41.0°F2008: 42.5°F2009: 41.7°F2010: 44.8°F2011: 44.3°F2012: 45.3°F2013: 42.8°F2014: 41.7°F2015: 42.0°F2016: 43.8°F2017: 43.7°F2018: 43.0°F2019: 40.7°F2020: 44.0°Flong-term trend197119801990200020102020
a warmer-than-average year a cooler-than-average year

Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.

When in the year the change shows up

How much warmer each month is now than in the 1970s. Useful if you garden or care about a particular season — otherwise the headline above already has the answer.

-0.5°0.0°+0.5°+1.0°+1.5°+2.0°+2.5°January: +1.4°F+1.4JFebruary: +0.9°F+0.9FMarch: -0.2°F-0.2MApril: +0.1°F+0.1AMay: +0.1°F+0.1MJune: +0.2°F+0.2JJuly: +0.2°F+0.2JAugust: +0.7°F+0.7ASeptember: +1.6°F+1.6SOctober: +0.9°F+0.9ONovember: +1.2°F+1.2NDecember: +2.1°F+2.1D

December has warmed the most — about 2.1°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — 1991–2020 normals computed from 29 years of daily observations at Lennoxville, a weather station, about 7 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →