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Montreal - When to Visit

When to Visit Montreal

Climate guide & best times to travel

Monthly Climate Data for Montreal Average temperature and rainfall by month Climate Overview -18°C -5°C 6°C 18°C 31°C Rainfall (mm) 0 52 104 Jan Jan: -5.0°C high, -13.0°C low, 86mm rain Feb Feb: -3.0°C high, -12.0°C low, 66mm rain Mar Mar: 2.0°C high, -6.0°C low, 76mm rain Apr Apr: 11.0°C high, 1.0°C low, 89mm rain May May: 19.0°C high, 8.0°C low, 86mm rain Jun Jun: 24.0°C high, 13.0°C low, 84mm rain Jul Jul: 26.0°C high, 16.0°C low, 91mm rain Aug Aug: 25.0°C high, 15.0°C low, 94mm rain Sep Sep: 21.0°C high, 10.0°C low, 89mm rain Oct Oct: 13.0°C high, 4.0°C low, 104mm rain Nov Nov: 6.0°C high, -1.0°C low, 84mm rain Dec Dec: -1.0°C high, -8.0°C low, 91mm rain Temperature Rainfall
Montreal experiences a classic four-season continental climate with dramatic temperature swings throughout the year. Winters are genuinely cold and snowy, with temperatures regularly dropping well below freezing from December through February, while summers are pleasantly warm and occasionally hot, peaking in July. The city gets fairly consistent precipitation year-round—around 3 to 4 inches monthly—though much of the winter moisture falls as snow rather than rain. Spring and fall serve as brief but distinct transition seasons, with temperatures climbing steadily from March through May and cooling down from September through November. What makes Montreal's climate particularly interesting is how well the city embraces each season. The brutal winters (we're talking highs in the 20s Fahrenheit) have shaped the city's culture, from the famous Underground City to winter festivals, while the warm summers bring outdoor terraces and festivals to life. Humidity tends to hover around 70% year-round, which makes summer heat feel a bit more intense and winter cold cut a little deeper. The shoulder seasons—particularly late spring and early fall—offer the most comfortable weather for walking around, though you'll want to pack layers since temperatures can vary quite a bit day to day.

Best Time to Visit

Beach & Relaxation
Late June through August offers the warmest weather (75-80°F), perfect for enjoying the city's beaches along the St. Lawrence River and outdoor pools, though Montreal isn't primarily a beach destination.
Cultural Exploration
May through June and September through October provide comfortable temperatures for walking between museums, neighborhoods, and festivals without the peak summer crowds or winter's harsh cold.
Adventure & Hiking
Late May through September offers the best conditions for hiking Mount Royal and exploring the region's trails, with July and August being warmest but also most humid.
Budget Travel
January through March (excluding holiday periods) and November tend to see lower hotel rates and fewer tourists, though you'll need to embrace the cold and shorter daylight hours.

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What to Pack

Year-Round Essentials

Comfortable walking shoes
Montreal is a very walkable city with cobblestone streets in Old Montreal that can be tough on feet.
Reusable water bottle
The city has excellent tap water and public fountains, plus many cafes will refill bottles.
Small daypack
Essential for carrying layers as you move between heated buildings and outdoors, plus shopping at markets.
Sunglasses
Useful year-round, especially in winter when sun reflects intensely off snow.
Portable phone charger
Cold weather drains phone batteries faster, and you'll likely use GPS extensively for navigation.
Light rain jacket
Precipitation is fairly consistent year-round, and a packable rain layer is always useful.

Spring (Mar-May)

Clothing
Medium-weight jacket, Long pants and jeans, Long-sleeve shirts, Light sweater or fleece, T-shirts for warmer May days
Footwear
Waterproof walking shoes or boots that can handle puddles and occasional mud
Accessories
Umbrella, Light scarf, Baseball cap or sun hat
Layering Tip
Spring weather is unpredictable, so bring pieces you can easily add or remove as temperatures swing throughout the day.

Summer (Jun-Aug)

Clothing
T-shirts and tank tops, Shorts and lightweight pants, Sundresses or skirts, Light cardigan for air-conditioned spaces, One nicer outfit for restaurants
Footwear
Comfortable walking sandals or breathable sneakers
Accessories
Sunscreen, Sunglasses, Sun hat, Small umbrella for afternoon showers
Layering Tip
Minimal layering needed, though bring something light for overly air-conditioned museums and restaurants.

Autumn (Sep-Nov)

Clothing
Medium to heavy jacket, Jeans and long pants, Long-sleeve shirts, Sweaters and fleeces, Light gloves and hat by November
Footwear
Sturdy walking shoes or boots, waterproof preferred
Accessories
Scarf, Umbrella, Light gloves for late fall
Layering Tip
Temperature drops significantly from early to late fall, so bring versatile pieces that work across a wide temperature range.

Winter (Dec-Feb)

Clothing
Heavy winter coat (rated to at least -20°C), Thermal underwear or base layers, Thick sweaters, Insulated pants for extended outdoor time, Warm indoor clothes for heated spaces
Footwear
Insulated, waterproof winter boots with good traction for ice and snow
Accessories
Warm hat that covers ears, Insulated gloves or mittens, Thick scarf or neck warmer, Hand and toe warmers for extended outdoor activities
Layering Tip
Serious layering is essential—you'll be moving between frigid outdoors and overheated buildings constantly.
Plug Type
Type A/B (same as United States)
Voltage
120V, 60Hz
Adapter Note
US travelers need no adapter; most other international visitors will need a Type A/B adapter and possibly a voltage converter for high-wattage devices

Skip These Items

Beach towels (unless visiting in summer for waterfront areas) Excessive formal wear (Montreal is stylish but generally casual) Too many toiletries (easy to buy locally at pharmacies) Heavy books or guides (use phone apps or buy locally) Bulky camera equipment (phone cameras work well, and serious photographers can rent gear locally)

Month-by-Month Guide

January

The heart of Montreal's winter, with genuinely cold temperatures and plenty of snow. The city comes alive with winter festivals like Igloofest and Fête des Neiges, and the cold is dry rather than damp, which makes it slightly more bearable than the thermometer suggests. That said, you'll want serious winter gear—this isn't the month for casual visitors unprepared for real cold.

-5°C (23°F) High
-14°C (7°F) Low
86mm (3.4in) Rainfall
Low Crowds
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February

Still deeply winter, though temperatures occasionally creep up slightly from January's lows. This is peak winter festival season, and locals have fully embraced the cold with outdoor activities and events. The days start getting noticeably longer, which helps with the mood even if the thermometer doesn't cooperate much.

-4°C (25°F) High
-13°C (9°F) Low
66mm (2.6in) Rainfall
Low Crowds
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March

The beginning of the thaw, though winter definitely hasn't released its grip yet. You'll see temperatures above freezing during the day, but nights remain cold and snow is still common. It's a messy, slushy month as the city transitions, and not particularly the most attractive time to visit, though you might catch some late-season winter activities.

2°C (36°F) High
-7°C (20°F) Low
76mm (3.0in) Rainfall
Low Crowds
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April

Spring finally arrives in earnest, with temperatures climbing into the 50s Fahrenheit and the last snow typically melting away. The city shakes off winter and outdoor terraces start opening, though you'll still want a jacket most days. Rain becomes more common than snow, and everything starts greening up, making it a refreshing time to explore.

11°C (52°F) High
1°C (33°F) Low
89mm (3.5in) Rainfall
Medium Crowds
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May

One of Montreal's most pleasant months, with comfortable temperatures and the city in full bloom. Trees leaf out, outdoor festivals begin, and terraces fill with locals enjoying the warmth after the long winter. Occasional rain showers are common, but the weather is generally cooperative for sightseeing and outdoor activities.

19°C (66°F) High
8°C (46°F) Low
86mm (3.4in) Rainfall
Medium Crowds
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June

Summer begins with warm, pleasant weather that locals consider nearly perfect. The city's famous festival season kicks into high gear, and outdoor activities dominate. Humidity starts to make itself known but isn't oppressive yet, and the long daylight hours (sunset around 8:30 PM) give you plenty of time to explore.

24°C (75°F) High
13°C (56°F) Low
84mm (3.3in) Rainfall
High Crowds
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July

The warmest month and peak tourist season, with temperatures regularly reaching 80°F and that 70% humidity making it feel warmer. This is festival central—Just for Laughs, Jazz Fest, and countless neighborhood events. The heat can be intense during the day, but evenings cool down pleasantly, and the city's parks and waterfront areas provide relief.

27°C (80°F) High
17°C (62°F) Low
91mm (3.6in) Rainfall
High Crowds
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August

Similar to July but slightly cooler, with warm days and comfortable evenings. The humidity persists, and occasional thunderstorms roll through, but it's still prime outdoor weather. Tourist crowds remain high, though they start thinning toward month's end as locals take their summer vacations and students prepare to return.

26°C (78°F) High
16°C (60°F) Low
94mm (3.7in) Rainfall
High Crowds
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September

Fall arrives with beautiful weather—warm days, cooler nights, and decreasing humidity. The leaves start changing color, particularly on Mount Royal, and the festival season winds down to more manageable crowds. Many locals consider this the city's best month, with comfortable temperatures perfect for walking and outdoor dining without summer's heat.

21°C (69°F) High
11°C (51°F) Low
89mm (3.5in) Rainfall
Medium Crowds
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October

Peak fall foliage season, with gorgeous colors across the city and surrounding areas. Temperatures cool noticeably, and you'll definitely need layers and a jacket. The weather can be variable—some days feel like extended summer, others hint at the coming winter. It's a lovely time for photography and enjoying the city's parks before everything goes dormant.

13°C (55°F) High
4°C (40°F) Low
104mm (4.1in) Rainfall
Medium Crowds
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November

The gray transition into winter, with temperatures dropping below freezing at night and the first snow typically arriving. It's not the most appealing month—too cold for comfortable outdoor exploration but not yet embracing full winter activities. The days get noticeably shorter, and the city takes on a quieter, more subdued atmosphere.

6°C (42°F) High
-2°C (28°F) Low
84mm (3.3in) Rainfall
Low Crowds
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December

Winter settles in properly, with snow covering the ground and temperatures well below freezing. The city transforms for the holidays with Christmas markets, decorations, and a festive atmosphere that makes the cold more bearable. Days are short (sunset around 4 PM), but the holiday spirit and winter activities help compensate for the challenging weather.

-2°C (29°F) High
-9°C (16°F) Low
91mm (3.6in) Rainfall
Medium Crowds
View Details →

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