MontrealPhoto: Ken Lund from Reno, Nevada, USA · CC BY-SA 2.0Canada · North America
Best time to visit Montreal
Montreal blends European old-town charm with North American energy. Warm summers, very cold and snowy winters.
Climate decision
Best travel months for Montreal
Top recommendation
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
October · Mean daily maximum
16.4 °C
1991–2025: 13.8 °C
+2.6 °C · higher
September · Wet days
8.2 days/month
1991–2025: 11.6 days/month
-3.4 days/month · lower
September · Monthly precipitation
57 mm/month
1991–2025: 83.3 mm/month
-26.3 mm/month · lower
August: 32/155 days at or above 30 °C; highest single value 36.4 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · City climate
Montreal: choose the season before the trip style
The lowest and highest average daily highs are 32.9 °C apart. Temperature is therefore the first decision layer, while rain and sunshine refine the choice of month.
How to read the curve
A single annual score hides the change of seasons. The useful question is which temperature window suits the planned city trip.
Lowest average daily low
January · -17.1 °C
Highest average daily high
July and August · 26.2 °C
Most rainy days
July · 16.4
Most sunshine
June · 7.2 h
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| January | -7 | -17 | 14 | 73 | 1.8 | 92 | 3.3 | 24 |
| February | -5 | -16 | 11 | 62 | 3.0 | 90 | 3.6 | 32 |
| March | 2 | -8 | 12 | 72 | 4.4 | 86 | 3.6 | 32 |
| April | 10 | 0 | 13 | 92 | 5.6 | 80 | 3.5 | 41 |
| May | 18 | 8 | 14 | 84 | 6.6 | 78 | 3.0 | 62 |
| June | 23 | 13 | 15 | 100 | 7.2 | 78 | 2.8 | 70 |
| July | 26 | 17 | 16 | 95 | 7.1 | 75 | 2.6 | 65 |
| August | 26 | 16 | 14 | 93 | 6.3 | 73 | 2.5 | 71 |
| September | 22 | 11 | 12 | 83 | 4.9 | 74 | 2.6 | 77 |
| October | 14 | 4 | 13 | 98 | 3.0 | 80 | 2.9 | 46 |
| November | 5 | -2 | 13 | 78 | 1.8 | 85 | 2.9 | 30 |
| December | -3 | -11 | 14 | 87 | 1.3 | 91 | 3.0 | 23 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Montreal
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Useful next decisions
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Similar destinations
The number is the overall climate score, not a similarity score.
Country and region
Frequently asked questions
When is the best time to visit Montreal?
The strongest climate months are June, July, August, September. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Montreal?
Average daily maximum temperatures in Montreal are practically tied in July and August at around 26 °C.