Montreal Weather Forecast
Montreal weather: 45°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Montreal weather in December
Weather map for Montreal
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Climate in Montreal month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 23° | 10° | 2,6 in | ★★☆☆☆ |
| February | 26° | 10° | 1,8 in | ★★☆☆☆ |
| March | 40° | 23° | 3,6 in | ★★☆☆☆ |
| April | 53° | 35° | 4,4 in | ★★★☆☆ |
| May | 65° | 50° | 4,0 in | ★★★★☆ |
| June | 77° | 61° | 5,0 in | ★★★★☆ |
| July | 81° | 66° | 4,0 in | ★★★★☆ |
| August | 78° | 63° | 4,9 in | ★★★★☆ |
| September | 71° | 56° | 1,3 in | ★★★★☆ |
| October | 60° | 46° | 4,1 in | ★★★☆☆ |
| November | 42° | 32° | 2,8 in | ★★☆☆☆ |
| December | 29° | 17° | 3,9 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Best time to visit Montreal
Go in September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
How Montreal compares with nearby places
Annual averages, and the difference against Montreal.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Burlington | 73 mi | 48°F | +34°F warmer | 46 in |
| Mont-Tremblant National Park | 77 mi | 40°F | 38°F cooler | 51 in |
| Vermont | 99 mi | 46°F | about the same | 39 in |
| Ottawa | 103 mi | 45°F | 33°F cooler | 42 in |
| Franconia Notch State Park | 132 mi | 43°F | 35°F cooler | 48 in |
See the Montreal forecast by time range
Montreal weather - more answers
Explore Montreal
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Montreal?
Montreal is a city in Quebec. Its coordinates are 45.5019, -73.5674. It lies in North America.
What is the weather like in Montreal right now?
It is currently 45°F (7°C) with clear. Humidity is 59% and wind is 9 mph.
When is the best time to visit Montreal?
September offer the most comfortable conditions in Montreal, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Montreal in?
Montreal observes America/Toronto (UTC-04:00). The local time is 1:30 AM.
How many people live in Montreal?
Montreal has a population of approximately 1.8 million.
What is the nearest airport to Montreal?
The closest airports are Montreal-Trudeau International Airport (YUL), 9 mi away and Boston Logan International Airport (BOS), 251 mi away.
What are the top things to do in Montreal?
Popular options include Mont-Tremblant National Park, Franconia Notch State Park, Mount Washington, St. Lawrence River, Baxter State Park and Algonquin Provincial Park.
What places are in Montreal?
Montreal covers 1 places in this atlas, including Montreal-Trudeau International Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 23, 2026 at 1:30 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
