January in Montreal: expect compromises
Hardest · 2.7/10January sits at -10°C (13°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.
65 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 8.9 hours of daylight.
That is 2.7/10 on the same scale — 11th of 12 months, versus 8.7/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, May is materially better in Montreal — 6 points higher on the same scale.
February in Montreal: expect compromises
Hardest · 3.4/10February sits at -7°C (19°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.
53 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with about 1 days with 6+ hours of sunshine and 10.1 hours of daylight.
That is 3.4/10 on the same scale — 10th of 12 months, versus 8.7/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, May is materially better in Montreal — 5.3 points higher on the same scale.
March in Montreal: expect compromises
Hardest · 4.8/10March averages 0°C (31°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 64 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with about 9 days with 6+ hours of sunshine and 11.6 hours of daylight.
It scores 4.8/10 here, 8th of 12 months, against 8.7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? May scores 3.9 points higher here — enough to change the trip.
April in Montreal: mixed conditions, plan around the weather
Trade-offs · 6/10Expect 6°C (43°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.
101 mm of rain signals a properly wet month, with only about 15 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6/10 on the same scale — 7th of 12 months, versus 8.7/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
If your dates are flexible, May is materially better in Montreal — 2.7 points higher on the same scale.
May in Montreal — the year's strongest window
Best window · 8.7/10May averages 15°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 65 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 14.7 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Montreal at 8.7/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
June holds up well in Montreal — 3rd best month
Good · 7.9/10At 19°C (66°F) this is comfortable city weather in June, with sightseeing easiest before lunch and after the afternoon peak.
106 mm of rain makes this a wet month here, though with about 24 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.9/10 on the same scale — 3rd of 12 months, versus 8.7/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
July holds up well in Montreal — 4th best month
Good · 7.6/10At 23°C (73°F) this is comfortable city weather in July, with sightseeing easiest before lunch and after the afternoon peak.
112 mm of rain makes this a wet month here, though with about 26 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.6/10 on the same scale — 4th of 12 months, versus 8.7/10 for the best month here.
Budget for peak pricing, and this is one of the busiest months here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
August in Montreal: strong conditions, 5th of 12
Good · 7.5/10August averages 21°C (70°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
At 123 mm this is a genuinely wet month: about 18 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 7.5/10 here, 5th of 12 months, against 8.7/10 in the destination's best month.
Figure on peak pricing, with this is one of the busiest months here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
September in Montreal: strong conditions, 2nd of 12
Good · 8.3/10September averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 58 mm, so plan one flexible day in three; you still get about 13 days with 6+ hours of sunshine and 12.3 hours of daylight.
It scores 8.3/10 here, 2nd of 12 months, against 8.7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
October in Montreal — workable with trade-offs
Trade-offs · 6.3/10Expect 11°C (51°F) in October. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 68 mm of rain this month — a flexible day or two helps — with about 3 days with 6+ hours of sunshine and 10.7 hours of daylight to work around it.
That is 6.3/10 on the same scale — 6th of 12 months, versus 8.7/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, May is materially better in Montreal — 2.4 points higher on the same scale.
November in Montreal: expect compromises
Hardest · 4.5/10At 3°C (37°F) this is proper winter weather in November: layer up and split the day between outdoor highlights and indoor stops.
Budget for roughly 61 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 9.2 hours of daylight to work around it.
That is 4.5/10 on the same scale — 9th of 12 months, versus 8.7/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, May is materially better in Montreal — 4.2 points higher on the same scale.
December in Montreal — off-season conditions
Hardest · 2.2/10December averages -4°C (24°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 102 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 8.5 hours of daylight.
It scores 2.2/10 here, 12th of 12 months, against 8.7/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella.
Flexible dates? May scores 6.5 points higher here — enough to change the trip.
