Ideal weather days in Montréal
The best time to visit Montréal for warm, dry weather is July, August and September, with 20 to 24 such days a month.
How many days here suit you?
Set your ideal day. Each day measured at Montréal's weather station in 2023–2025 is checked against it.
They're most common in July, August and September.
This station doesn't record cloud cover, so the sky setting is left out here.
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Your ideal days in Montréal, month by month
Why the other days don't count
- Too cold193
- Too wet118
- Too windy72
- Too hot3
A day can fail more than one test.
Warm and dry, beach and mild days
With the Warm & dry preset (a high of 18–33 °C, no more than 1 mm of rain, wind under 20 km/h), Montréal averaged 111 days a year in 2023–2025. Every number here is counted from real measured days in Canada, not from climate averages.
Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in July and August (up to 13 a month, 46 a year). Mild, still days (16–26 °C, light wind) are most common in September (up to 9 a month, 31 a year).
What spoils the other days
Most of the days that don't count are too cold (a high under 18 °C): 193 a year, mostly in November to April. Another 118 are wet (more than 1 mm of rain), mostly in October and December to August. A day can fail more than one test.
Montréal weather, month by month
| Month | Typical high | Rain days | Windy days | Clear days | Warm & dry days |
|---|---|---|---|---|---|
| January | -1 °C 30 °F | 16 | 10 | 3 | 0 of 31 |
| February | 1 °C 33 °F | 12 | 8 | 6 | 0 of 28 |
| March | 5 °C 41 °F | 14 | 10 | 7 | 0 of 31 |
| April | 13 °C 55 °F | 13 | 10 | 9 | 4 of 30 |
| May | 22 °C 71 °F | 11 | 5 | 9 | 16 of 31 |
| June | 27 °C 81 °F | 10 | 3 | 6 | 17 of 30 |
| July | 29 °C 83 °F | 12 | 2 | 8 | 20 of 31 |
| August | 26 °C 79 °F | 10 | 1 | 10 | 21 of 31 |
| September | 24 °C 74 °F | 5 | 2 | 16 | 24 of 30 |
| October | 17 °C 62 °F | 10 | 6 | 7 | 8 of 31 |
| November | 7 °C 45 °F | 8 | 8 | 5 | 0 of 30 |
| December | 2 °C 35 °F | 11 | 7 | 3 | 0 of 31 |
| Year | 132 | 73 | 89 | 111 of 365 |
Typical high is the median daily maximum. A rain day has 1 mm or more; a windy day a mean wind above 20 km/h; a clear day a daytime cloud cover of 2/8 or less on average (9:00–17:00). Days are averaged over 2023–2025 and scaled to the length of each month.
Year by year
- 2023 107 warm, dry days
- 2024 112 warm, dry days
- 2025 incomplete (8 of 12 months)
Questions
When is the best time to visit Montréal for good weather?
The best time to visit Montréal for warm, dry weather is July, August and September, with 20 to 24 such days a month. Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in July and August (up to 13 a month, 46 a year). Counted from measured days at Montreal Trudeau Intl station, 2023–2025.
Does it rain a lot in Montréal?
On average 132 days a year had 1 mm of rain or more in 2023–2025. The wettest month was January (16 rain days), the driest September (5).
How many sunny days does Montréal get a year?
About 89 days a year had mostly clear skies (daytime cloud cover of 2/8 or less on average, 9:00–17:00), most of them in September (16).
How warm does Montréal get?
The median daily high ranged from -1 °C (30 °F) in January to 29 °C (83 °F) in July.
Nearby
- Ottawa170 km113 days
- Boston400 km, United States116 days
- Toronto500 km115 days
- New York530 km, United States129 days
- Halifax790 km98 days
- St. John's1610 km34 days
- Iqaluit2060 km6 days
More cities in Canada
- Calgary 117 days
- Vancouver 108 days
- Edmonton 104 days
- Regina 97 days
- Yellowknife 81 days
- Whitehorse 67 days
Where is the best climate in Canada?
Open Montréal on the map Set your own temperature, rain and wind limits.
Source: Montreal Trudeau Intl weather station (71627094792), 13 km from the centre of Montréal, 36 m above sea level. Daily records from NOAA's Global Surface Summary of the Day, 2023–2025; 87% of days have a complete record. A single station may not represent every part of a city, and three years is a short record.