Winter
Dec → Feb-4 to 0°
nights -13 to -7°
- 12 rainy days · 82 mm
- 5.2 h of sun
When is the best time to visit Montreal?
- Jan-4°not recommended
- Feb-3°not recommended
- Mar3°not recommended
- Apr11°not recommended
- May19°fair
- Jun24°recommended
- Jul27°recommended
- Aug25°recommended
- Sep22°recommended
- Oct14°recommended
- Nov6°fair
- Dec0°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Montreal, month by month
The table of records, month by month
| Month | High | Low | Sunshine | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|---|
| January | -4° | -13° | 5 h | 78 mm | 12 d | |
| February | -3° | -12° | 6.2 h | 75 mm | 11 d | |
| March | 3° | -6° | 7.7 h | 80 mm | 11 d | |
| April | 11° | 1° | 8.2 h | 114 mm | 12 d | |
| May | 19° | 9° | 10.4 h | 76 mm | 10 d | |
| June | 24° | 14° | 10.7 h | 118 mm | 14 d | ✓ |
| July | 27° | 18° | 11.9 h | 106 mm | 12 d | ✓ |
| August | 25° | 17° | 10.9 h | 121 mm | 13 d | ✓ |
| September | 22° | 13° | 9.5 h | 77 mm | 9 d | ✓ |
| October | 14° | 7° | 6.8 h | 126 mm | 12 d | ✓ |
| November | 6° | -1° | 5.4 h | 81 mm | 12 d | |
| December | 0° | -7° | 4.3 h | 92 mm | 13 d |
The four seasons in Montreal, in figures
What the 2015-2024 records (Notre-Dame Basilica (Old Montreal)) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May3 to 19°
nights -6 to 9°
- 11 rainy days · 90 mm
- 8.8 h of sun
Summer
Jun → Aug24 to 27°
nights 14 to 18°
- 13 rainy days · 115 mm
- 11.2 h of sun
Autumn
Sep → Nov6 to 22°
nights -1 to 13°
- 11 rainy days · 95 mm
- 7.2 h of sun
Book early for June to October
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Montreal, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 15h40 of daylight, in December 8h43, a difference of 6h56.
9h04Jan
10h19Feb
11h47Mar
13h27Apr
14h53May
15h40Jun
15h20Jul
14h06Aug
12h28Sep
10h51Oct
9h25Nov
8h43Dec
Calculated for the latitude of the reference point "Notre-Dame Basilica (Old Montreal)" (45.50°). Values on the 15th of each month, local solar time.
What to do in Montreal, month by month
EventsMontreal International Jazz FestivalJune to JulyFrancos de MontréalJuneOsheagaAugustIgloofestJanuary to FebruaryDetails ↓
favourablewith compromisesunfavourable
- Sightseeing & walks: April, May, July, September, October
- Long days: May, June, July, August
Grid derived from the records (temperature, rainfall), not from an opinion.
What's on in Montreal, month by month?
What comes back every year, and when. These events fill the hotels and push prices up: something to aim for or to avoid, depending on what you want.
- June to JulyMontreal International Jazz Festival big crowds
The Quartier des Spectacles closes its streets for free outdoor stages for about ten days that run into July.
- JuneFrancos de Montréal
French-language song takes over the downtown stages for a week, just before the jazz festival.
- AugustOsheaga big crowds
Parc Jean-Drapeau, on Île Sainte-Hélène, hosts three days of rock, pop and rap in early August.
- January to FebruaryIgloofest
People dance outdoors in the bitter cold on the quays of the Old Port, in ski suits, over several weekends in a row.
Travelling off-peak
Month by month, in detail
January
Not recommended-4°-13° at night
- 78 mm · 12 d
- 5 h
Low season, lower prices
February
Not recommended-3°-12° at night
- 75 mm · 11 d
- 6.2 h
Low season, lower prices
March
Not recommended3°-6° at night
- 80 mm · 11 d
- 7.7 h
Low season, lower prices
April
Not recommended11°1° at night
- 114 mm · 12 d
- 8.2 h
Low season, lower prices
May
Fair19°9° at night
- 76 mm · 10 d
- 10.4 h
Low season, lower prices
June
Recommended24°14° at night
- 118 mm · 14 d
- 10.7 h
High season, book early
July
Recommended27°18° at night
- 106 mm · 12 d
- 11.9 h
High season, book early
August
Recommended25°17° at night
- 121 mm · 13 d
- 10.9 h
High season, book early
September
Recommended22°13° at night
- 77 mm · 9 d
- 9.5 h
Busy, without the crush
October
Recommended14°7° at night
- 126 mm · 12 d
- 6.8 h
Busy, without the crush
November
Fair6°-1° at night
- 81 mm · 12 d
- 5.4 h
Low season, lower prices
December
Not recommended0°-7° at night
- 92 mm · 13 d
- 4.3 h
Quiet, then the holidays
Read the twelve months in detail
January. Deep winter: -4 °C at the warmest of the day, -13 °C at night. Expect 12 days of rain in the month (78 mm). Sunshine gets scarcer (5 h a day). Low season: fewer people, lower prices.
February. Deep winter: -3 °C at the warmest of the day, -12 °C at night. Expect 11 days of rain in the month (75 mm). Expect 6.2 h of sunshine a day. Low season: fewer people, lower prices.
March. Deep winter: 3 °C at the warmest of the day, -6 °C at night. Expect 11 days of rain in the month (80 mm). Expect 7.7 h of sunshine a day. Low season: fewer people, lower prices.
April. Cool: 11 °C at best, 1 °C at night. Expect 12 days of rain in the month (114 mm). Expect 8.2 h of sunshine a day. Low season: fewer people, lower prices.
May. Mild, 19 °C in the afternoon and 9 °C early in the morning. Expect 10 days of rain in the month (76 mm). Plenty of sunshine: 10.4 h a day on average. Low season: fewer people, lower prices.
June. Mild, 24 °C in the afternoon and 14 °C early in the morning. Frequent rain: 118 mm over 14 days. Plenty of sunshine: 10.7 h a day on average. High season: book early.
July. 27 °C in the afternoon and 18 °C at night. Expect 12 days of rain in the month (106 mm). Plenty of sunshine: 11.9 h a day on average. High season: book early.
August. 25 °C in the afternoon and 17 °C at night. Expect 13 days of rain in the month (121 mm). Plenty of sunshine: 10.9 h a day on average. High season: book early.
September. Mild, 22 °C in the afternoon and 13 °C early in the morning. Expect 9 days of rain in the month (77 mm). Plenty of sunshine: 9.5 h a day on average. Busy season, without the crush.
October. Cool: 14 °C at best, 7 °C at night. Expect 12 days of rain in the month (126 mm). Expect 6.8 h of sunshine a day. Busy season, without the crush.
November. Deep winter: 6 °C at the warmest of the day, -1 °C at night. Expect 12 days of rain in the month (81 mm). Sunshine gets scarcer (5.4 h a day). Low season: fewer people, lower prices.
December. Deep winter: 0 °C at the warmest of the day, -7 °C at night. Expect 13 days of rain in the month (92 mm). Sunshine gets scarcer (4.3 h a day). Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Montreal?
June to October: over these months, recorded highs range from 14 to 27 °C, with 12 days of rain a month on average (2015-2024 records, Notre-Dame Basilica (Old Montreal)).
Which month should you avoid in Montreal?
April: it is the wettest of the months to avoid, with 114 mm over 12 days of rain on average, according to 2015-2024 records at the reference point (Notre-Dame Basilica (Old Montreal)).
What is the hottest month in Montreal?
July, with 27 °C on average in the afternoon and 18 °C at night. 2015-2024 records (Notre-Dame Basilica (Old Montreal)).
What is the coldest month in Montreal?
January, with -4 °C at best during the day and -13 °C at night. 2015-2024 records (Notre-Dame Basilica (Old Montreal)).
What is the driest month in Montreal?
February: 75 mm over 11 days of rain, against 126 mm in October, the wettest month.
Which month has the most sunshine in Montreal?
July, with 11.9 h of sunshine a day on average. Note that this counts clear skies, not the length of the day.
Plan this trip
📒 The free printable Montreal guide: itinerary, map, where to sleep→
🧭 When to visit Montreal and Quebec City: the country overview→
🗓️ Best time to visit: all our destinations→