Montréal weather in 2023
Montréal weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Montréal.
Year summary
In 2023, Montréal averaged 11.3 C for daily highs and 2.9 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was +0.1 C from that baseline, and total precipitation was +215.5 mm from the baseline total.
The warmest month was July, with an average high of 25.2 C, while February had the lowest average low at -13.3 C.
The wettest month was August, totaling 187.8 mm. The hottest day reached 30.8 C on June 1, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -10.1 | -3.3 | 115.2 | 31 |
| February | -13.3 | -3.5 | 81.1 | 28 |
| March | -6.1 | 1.6 | 61.1 | 31 |
| April | 0.6 | 11.9 | 120.6 | 30 |
| May | 6.1 | 18.0 | 78.4 | 31 |
| June | 12.9 | 22.3 | 121.0 | 30 |
| July | 17.5 | 25.2 | 172.5 | 31 |
| August | 14.3 | 22.5 | 187.8 | 31 |
| September | 12.6 | 21.1 | 69.3 | 30 |
| October | 7.8 | 14.6 | 170.8 | 31 |
| November | -2.9 | 3.9 | 50.9 | 30 |
| December | -6.0 | 0.0 | 133.3 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | June 1, 2023 | 30.8 C |
| Coldest night | February 4, 2023 | -31.6 C |
| Wettest day | October 7, 2023 | 59.6 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.