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The best time to visit Montréal is July, August and September, the months with an average high between 17°C and 26°C and the fewest rainy days.
The answer takes the months whose average daily high is between 17°C and 26°C, ranked by fewest rainy days, from Environment and Climate Change Canada averages for 1981 to 2010 at the Montréal/Pierre Elliott Trudeau Intl A (7025250) station. Event counts are not part of the rule.
The event counts are what the calendar lists so far. Months further ahead fill in as organisers announce their dates, so a small number in a far month means not announced yet, not a quiet month.
Average high 6°C (43°F), low -2°C (29°F), 96 mm of rain on about 15 days.
835 events listed so far, including Village de Noël de Montréal (26 Nov to 24 Dec), Montreal Santa Claus Parade (21 Nov) and Grand Marché de Noël de Montréal (13 Nov 2026 to 3 Jan 2027). See November 2026
The first cold weeks. The RIDM documentary festival runs from 19 to 29 November, and the Canadiens' home games and the Christmas lights start filling the calendar. More in Rainy day Montréal.
Average high -1°C (29°F), low -9°C (15°F), 87 mm of rain on about 16 days.
756 events listed so far, including A Holly Jolly Jill Barber Christmas (9 Dec), O Christmas Tea: A British Comedy (29 Dec) and Christmas Eve masses at Notre-Dame Basilica (24 Dec). See December 2026
Christmas markets, windows and the Nutcracker. The Village de Noël at the Atwater Market runs from 26 November to 24 December, and the Grands Ballets stage The Nutcracker from 5 December. More in Things to do in Montréal.
Average high -5°C (22°F), low -14°C (7°F), 77 mm of rain on about 17 days.
215 events listed so far, including Igloofest (14 Jan to 6 Feb 2027), Shirono Ballon - Cirque à volonté (29 Jan 2027) and OSM x Cirque du Soleil: The Musical Experience (6 Jan to 7 Jan 2027). See January 2027
Deep winter, and the city leans into it. Igloofest, the outdoor electronic music series at the Old Port, opens on 14 January, and the Quartier des spectacles keeps its theatre and opera seasons running indoors. More in Things to do in Montréal.
Average high -3°C (26°F), low -12°C (10°F), 63 mm of rain on about 14 days.
230 events listed so far, including Montréal en Lumière (18 Feb to 28 Feb 2027), 5 à 7 musicaux avec Nuits d'Afrique (18 Feb to 20 Feb 2027) and Comment debord at Montréal en Lumière (26 Feb 2027). See February 2027
Still winter, with Montréal en Lumière filling the Quartier des spectacles with free outdoor shows from 18 to 28 February. Igloofest runs until 6 February. More in Things to do in Montréal.
Average high 3°C (37°F), low -7°C (20°F), 69 mm of rain on about 14 days.
219 events listed so far, including The Book of Mormon (2 Mar to 7 Mar 2027), Glob (2 Mar to 5 Mar 2027) and Un nuage dans mon ventre - Bouge de là (2 Mar 2027). See March 2027
The end of winter. The Canadiens are in their last stretch of home games at the Bell Centre, and the St Patrick's Parade is listed for 21 March, though its date is still to be confirmed. More in Things to do in Montréal.
Average high 12°C (53°F), low 1°C (34°F), 82 mm of rain on about 13 days.
188 events listed so far, including Cirque du Soleil 2027 under the Big Top (13 Apr to 22 Aug 2027), 5 à 7 musicaux avec Concordia (1 Apr to 3 Apr 2027) and Huu Bac Quintet (1 Apr 2027). See April 2027
Spring comes slowly, and museums and theatres carry most of the calendar. The Canadiens' last listed home game is on 1 April, and La vie de Galilée opens at the Théâtre du Nouveau Monde on the 20th. More in Rainy day Montréal.
Average high 19°C (66°F), low 8°C (46°F), 81 mm of rain on about 14 days.
137 events listed so far, including Formula 1 Grand Prix du Canada (21 May to 23 May 2027), Festival TransAmériques (26 May to 10 Jun 2027) and Rigoletto, Opéra de Montréal (1 May to 9 May 2027). See May 2027
Terrasse season starts, Piknic Électronik returns to Parc Jean-Drapeau and the Tam-Tams drum circle starts up again on Mount Royal. The Formula 1 Canadian Grand Prix is on 21 to 23 May, and the Festival TransAmériques opens on the 26th. More in Things to do in Montréal.
Average high 24°C (75°F), low 13°C (56°F), 87 mm of rain on about 13 days.
74 events listed so far, including Les Francos de Montréal (11 Jun to 19 Jun 2027), Montreal International Jazz Festival (25 Jun to 4 Jul 2027) and MURAL Festival (3 Jun to 13 Jun 2027, dates to be confirmed). See June 2027
Festival season. MURAL fills Boulevard Saint-Laurent with murals, the Francos de Montréal run from 11 to 19 June, and the Montréal International Jazz Festival opens on the 25th. Fête nationale on 24 June is a day off. More in Things to do in Montréal.
Average high 26°C (79°F), low 16°C (61°F), 89 mm of rain on about 12 days.
68 events listed so far, including L'International des Feux Loto-Québec (1 Jul to 5 Aug 2027, dates to be confirmed), Festival International Nuits d'Afrique (6 Jul to 18 Jul 2027) and Fantasia International Film Festival (15 Jul to 1 Aug 2027). See July 2027
The busiest month for festivals. The Jazz Festival runs to 4 July, Complètement Cirque and the Nuits d'Afrique follow, Just for Laughs starts on 14 July, Fantasia on the 15th, and Osheaga and Pride close the month. More in Things to do in Montréal.
Average high 25°C (77°F), low 15°C (59°F), 94 mm of rain on about 12 days.
59 events listed so far, including AfroMonde Festival (6 Aug to 9 Aug 2027, dates to be confirmed), îLESONIQ (7 Aug to 8 Aug 2027, dates to be confirmed) and Orientalys Festival (13 Aug to 16 Aug 2027, dates to be confirmed). See August 2027
Summer carries on with the fireworks competition at La Ronde, and the Pride and Osheaga weekends fall at the very start of the month. Hotels fill up around the big festivals, so book early. More in Things to do in Montréal.
Average high 21°C (69°F), low 10°C (50°F), 83 mm of rain on about 11 days.
55 events listed so far, including Gardens of Light (2 Sept to 31 Oct 2027, dates to be confirmed), POP Montréal (22 Sept to 26 Sept 2027, dates to be confirmed) and Festipod (22 Sept to 26 Sept 2027). See September 2027
Back-to-school month and a good one for visiting. Gardens of Light opens at the Botanical Garden in early September, and POP Montréal, the Black Film Festival and the Journées de la culture follow in the last week. More in Things to do in Montréal.
Average high 13°C (55°F), low 4°C (39°F), 91 mm of rain on about 13 days.
45 events listed so far, including Tout sur le sexe (8 Oct to 10 Oct 2027), Gardens of Light (2 Sept to 31 Oct 2027, dates to be confirmed) and Neighbours (5 Nov 2026 to 28 Nov 2027). See October 2027
Autumn colour on Mount Royal and in the Botanical Garden, which holds Halloween Shivers all month. More in Autumn in Montréal.
The best-known event of each month that has one on the calendar so far:
The best time to visit Montréal is July, August and September, the months with an average high between 17°C and 26°C and the fewest rainy days. The answer takes the months whose average daily high is between 17°C and 26°C, ranked by fewest rainy days, from Environment and Climate Change Canada averages for 1981 to 2010 at the Montréal/Pierre Elliott Trudeau Intl A (7025250) station. Event counts are not part of the rule.
Warmest month: July, with an average high of 26°C (79°F). Coolest month: January, with an average high of -5°C (22°F).
Wettest month: January, with about 17 rainy days. Driest month: September, with about 11 rainy days.