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Has the climate in Saint John changed?

How Saint John's climate has changed

About 0.1°F per decade, measured from Saint John's official daily weather records, 2000–2020. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Saint John's climate has warmed more slowly than most other cities in Canada.

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
+1.1°F
1970s
42.8°F
Recent
43.8°F
A steady upward drift

Saint John's temperature, year by year

Average temperature for each year from 2000 to 2020.

18°20°22°24°26°28°30°32°34°36°38°40°42°44°46°48°2000: 44.8°F2001: 43.6°F2002: 42.1°F2003: 41.9°F2004: 41.1°F2005: 43.1°F2006: 45.2°F2007: 41.7°F2008: 42.8°F2009: 42.1°F2010: 46.1°F2011: 19.9°F2015: 47.8°F2016: 43.6°F2017: 43.3°F2018: 42.6°F2019: 41.5°F2020: 44.3°Flong-term trend200020102020
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.

Methodology & sources

Temperature — 1991–2020 normals computed from 17 years of daily observations at Gagetown Awos A, a weather station, about 70 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →