Best time to visit Montreal
The best months to visit Montreal are June, August and September, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
June, August and September score best for Montreal weather:
- June24° / 14°CJune is warm and showery, with festival stages, Formula 1 demand, and Jazz Fest dates shaping hotel prices.
- August26° / 16°CAugust stays warm and stormy, with Osheaga, Mount Royal, Jean-Talon Market, and riverfront evenings working around showers.
- September21° / 11°CSeptember is mild shoulder season, good for POP Montréal timing, Mile End walks, and Eastern Townships drives.
Get a Montreal plan you can trust — matched to the month you pick, with every place checked for hours, closures, and booking needs.
- Free. No account.
- Ready in about 30 seconds.
30% off a Going membership after you build your plan.
By TripSapien Research · Updated May 20, 2026
Montreal weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | -5° | -13° | 86 | 11 | 9h |
| February | -3° | -12° | 66 | 9 | 10h |
| March | 2° | -6° | 77 | 10 | 12h |
| April | 11° | 1° | 90 | 10 | 13h |
| May | 19° | 8° | 86 | 10 | 15h |
| JuneBest weather | 24° | 14° | 84 | 10 | 16h |
| July | 27° | 17° | 91 | 10 | 15h |
| AugustBest weather | 26° | 16° | 94 | 9 | 14h |
| SeptemberBest weather | 21° | 11° | 89 | 9 | 12h |
| October | 13° | 5° | 103 | 10 | 11h |
| November | 6° | -2° | 84 | 11 | 9h |
| December | -1° | -9° | 92 | 12 | 9h |
Temperatures in °C. Long-term monthly averages.
Know your Montreal month?
Pick your dates and we'll build the trip around them — every place checked for closures and booking needs.
Montreal month by month
January
Montreal in January: -5°C high, -13.5°C low, 86mm rain over 11 days, 8.9h daylight. Cold and clearer — short daylight but skies open.
February
Montreal in February: -3.4°C high, -12.4°C low, 66mm rain over 9 days, 10.1h daylight. Cold and clearer — short daylight but skies open.
Montréal en lumière · Les Rendez-vous du cinéma québécois
March
Montreal in March: 2.4°C high, -6.5°C low, 77mm rain over 10 days, 11.6h daylight. Cold and clearer — short daylight but skies open.
April
Montreal in April: 11.3°C high, 1.1°C low, 90mm rain over 10 days, 13.3h daylight. Mild and dry — shoulder-season sweet spot.
May
Montreal in May: 19.4°C high, 8.3°C low, 86mm rain over 10 days, 14.7h daylight. Mild and dry — shoulder-season sweet spot.
JuneBest weather
Montreal in June: 24.2°C high, 13.8°C low, 84mm rain over 10 days, 15.5h daylight. Mild and dry — shoulder-season sweet spot.
Festival Mondiale de la bière · Montreal International Fireworks Competition · Fete de St-Jean-Baptiste
July
Montreal in July: 26.7°C high, 16.7°C low, 91mm rain over 10 days, 15.2h daylight. Mild and dry — shoulder-season sweet spot.
Just For Laughs Festival · Montreal International Fireworks Competition · Osheaga Music and Arts Festival
AugustBest weather
Montreal in August: 25.7°C high, 15.6°C low, 94mm rain over 9 days, 13.9h daylight. Mild and dry — shoulder-season sweet spot.
Osheaga Music and Arts Festival
SeptemberBest weather
Montreal in September: 21.1°C high, 10.9°C low, 89mm rain over 9 days, 12.3h daylight. Mild and dry — shoulder-season sweet spot.
POP Montréal International Music Festival
October
Montreal in October: 13.2°C high, 4.5°C low, 103mm rain over 10 days, 10.7h daylight. Mild but rainy — flexible plans pay off.
POP Montréal International Music Festival · Festival du nouveau cinéma de Montréal
November
Montreal in November: 6.1°C high, -1.7°C low, 84mm rain over 11 days, 9.2h daylight. Cold and clearer — short daylight but skies open.
Festival du Monde Arabe · POP Montréal International Music Festival · Image + Nation
December
Montreal in December: -1.2°C high, -8.7°C low, 92mm rain over 12 days, 8.5h daylight. Cold and clearer — short daylight but skies open.
Image + Nation
Ready to plan Montreal?
Pick one of the best months and turn it into a full Montreal plan — every place checked for closures, limited hours, and booking needs on your dates.