Montreal-Trudeau International Airport Climate and Average Weather
Climate of Montreal-Trudeau International Airport: average temperatures, rainfall and seasons month by month.
Climate in Montreal-Trudeau International Airport 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° | 12° | 2,6 in | ★★☆☆☆ |
| February | 26° | 12° | 1,7 in | ★★☆☆☆ |
| March | 40° | 24° | 3,6 in | ★★☆☆☆ |
| April | 53° | 36° | 5,0 in | ★★★☆☆ |
| May | 65° | 50° | 4,1 in | ★★★★☆ |
| June | 76° | 62° | 4,8 in | ★★★★☆ |
| July | 80° | 67° | 3,8 in | ★★★★☆ |
| August | 76° | 64° | 4,4 in | ★★★★☆ |
| September | 72° | 58° | 2,0 in | ★★★★☆ |
| October | 60° | 47° | 4,1 in | ★★★☆☆ |
| November | 42° | 33° | 2,7 in | ★★★☆☆ |
| December | 30° | 19° | 3,9 in | ★☆☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Recent extremes in Montreal-Trudeau International Airport
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Montreal-Trudeau International Airport compares with nearby places
Annual averages, and the difference against Montreal-Trudeau International Airport.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Burlington | 73 mi | 48°F | +33°F warmer | 45 in |
| Mont-Tremblant National Park | 75 mi | 40°F | 39°F cooler | 50 in |
| Ottawa | 95 mi | 45°F | 33°F cooler | 41 in |
| Vermont | 101 mi | 46°F | about the same | 40 in |
| Franconia Notch State Park | 136 mi | 43°F | 36°F cooler | 50 in |
Best time to visit Montreal-Trudeau International Airport
Go in July and 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 this means for Montreal-Trudeau International Airport
Today is slightly cooler than average for August. The forecast high of 74°F is 2.7°F below the 76°F typical for this month.
A 66% chance means rain is expected over most of the area. Plan indoor alternatives. Around 0,7 in is forecast, which is enough to soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 87°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Montreal-Trudeau International Airport is an airport in Montreal. Montreal-Trudeau International Airport (YUL) is a commercial airport.
Right now it is 63°F (17°C) in Montreal-Trudeau International Airport with clear. It feels like 64°F. Today runs from 62°F to 74°F. Chance of precipitation is 66%. Sightseeing conditions score 8.1/10 - good conditions.
The best time to visit Montreal-Trudeau International Airport is July and September. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 80°F, while January is the coldest with lows near 12°F.
The closest major airport is Boston Logan International Airport (BOS), about 254 mi away. Nearby highlights include Mont-Tremblant National Park, Franconia Notch State Park, Mount Washington and St. Lawrence River.
In plain terms. Today is slightly cooler than average for August. The forecast high of 74°F is 2.7°F below the 76°F typical for this month. The best window to be outside is roughly 10 AM to 1 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Montreal-Trudeau International Airport today at 8.5/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Montreal-Trudeau International Airport
| Type | Airport |
|---|---|
| City | Montreal |
| Country | Canada |
| Continent | North America |
| Coordinates | 45°28′14.2″N 73°44′26.9″W (45.4706, -73.7408) |
| IATA code | YUL |
| Local time | 9:25 AM (UTC-04:00) |
| Best months | July and September |
| Climate | Continental |
Weather map for Montreal-Trudeau International Airport
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Montreal-Trudeau International Airport
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Montreal-Trudeau International Airport?
Montreal-Trudeau International Airport is an airport in Montreal. Its coordinates are 45.4706, -73.7408. It lies in North America.
What is the weather like in Montreal-Trudeau International Airport right now?
It is currently 63°F (17°C) with clear. Humidity is 92% and wind is 5 mph.
When is the best time to visit Montreal-Trudeau International Airport?
July and September offer the most comfortable conditions in Montreal-Trudeau International Airport, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Montreal-Trudeau International Airport in?
Montreal-Trudeau International Airport observes America/Toronto (UTC-04:00). The local time is 9:25 AM.
What is the nearest airport to Montreal-Trudeau International Airport?
The closest airports are Boston Logan International Airport (BOS), 254 mi away.
What are the top things to do in Montreal-Trudeau International Airport?
Popular options include Mont-Tremblant National Park, Franconia Notch State Park, Mount Washington, St. Lawrence River, Algonquin Provincial Park and Baxter State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (airports) - 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 August 24, 2026 at 9:25 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
