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Has the climate in Riverview changed?

Riverview has warmed about 1.4°F between 1971 and 2012.

About 0.3°F per decade, measured from Riverview's official daily weather records, 1971–2012. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Riverview'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
+1.1°F
1970s
41.2°F
Recent
42.3°F
A steady upward drift

Riverview's temperature, year by year

Average temperature for each year from 1971 to 2012.

33°35°37°39°41°43°45°47°1971: 40.9°F1972: 39.0°F1973: 42.5°F1974: 40.3°F1975: 41.1°F1976: 41.1°F1977: 41.3°F1978: 40.0°F1979: 42.8°F1980: 40.0°F1981: 42.7°F1982: 40.6°F1983: 42.7°F1984: 42.0°F1985: 40.1°F1986: 39.8°F1987: 41.1°F1988: 41.0°F1989: 39.9°F1990: 42.7°F1991: 41.4°F1992: 39.8°F1993: 39.7°F1994: 40.9°F1995: 40.8°F1996: 41.8°F1997: 40.0°F1998: 43.4°F1999: 45.1°F2000: 42.2°F2001: 43.1°F2002: 42.0°F2003: 41.8°F2004: 41.2°F2005: 42.5°F2006: 44.7°F2007: 41.5°F2008: 42.4°F2009: 42.0°F2010: 45.3°F2011: 43.3°F2012: 34.8°Flong-term trend197119801990200020102012
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.

0.0°+0.5°+1.0°+1.5°+2.0°+2.5°January: +0.6°F+0.6JFebruary: +0.6°F+0.6FMarch: +0.6°F+0.6MApril: +0.9°F+0.9AMay: +0.2°F+0.2MJune: +0.5°F+0.5JJuly: +0.5°F+0.5JAugust: +0.9°F+0.9ASeptember: +1.8°F+1.8SOctober: +1.3°F+1.3ONovember: +1.5°F+1.5NDecember: +2.4°F+2.4D

December has warmed the most — about 2.4°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — 1991–2020 normals computed from 21 years of daily observations at Moncton A, a weather station, about 12 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →