Climate Yearbook

Montréal weather in 2025

Montréal weather in 2025, with 365 daily observations from Open-Meteo archive data.

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Use the graph view to inspect 2025 alongside other available years for Montréal.

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Year summary

In 2025, Montréal averaged 10.4 C for daily highs and 2.1 C for daily lows.

A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was -0.8 C from that baseline, and total precipitation was -178.1 mm from the baseline total.

The warmest month was July, with an average high of 26.2 C, while February had the lowest average low at -14.6 C.

The wettest month was May, totaling 120.0 mm. The hottest day reached 33.2 C on June 23, 2025.

Monthly averages and precipitation

MonthAvg low CAvg high CRain and snow mmDays
January-13.6-6.953.331
February-14.6-6.281.228
March-6.62.985.831
April0.010.295.930
May8.116.7120.031
June14.924.173.030
July17.726.2104.331
August16.025.145.831
September11.920.333.730
October6.014.1101.031
November-2.41.9100.630
December-13.8-5.173.831

Daily records in 2025

RecordDateValue
Hottest dayJune 23, 202533.2 C
Coldest nightFebruary 2, 2025-26.4 C
Wettest dayOctober 31, 202535.1 mm

Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.