Montréal weather by month & the best time to visit
Canada · major city break · hot-summer continental climate
The best time to visit Montréal is September — its sunniest month (Sunshine Score 74/100), with July and August close behind. Montréal averages about 1,981 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 88 mm of rain in September.
When is the best time to visit Montréal?
For sunshine, the best time to visit Montréal is September, then July and August. The dullest month is January (0/100, 72 mm of rain). The full month-by-month picture is in the table below.
How sunny is Montréal?
Montréal gets a moderate 1,981 hours of sunshine a year. 74 Sunshine Score points separate September (74) from January (0), so the month you pick matters. It ranks #135 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 1,087 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -6° / 21°F | -16° / 3°F | 72 mm | 1 |
| February | 0 | -4° / 25°F | -15° / 5°F | 68 mm | 1 |
| March | 0 | 2° / 36°F | -8° / 18°F | 76 mm | 3 |
| April | 18 | 11° / 52°F | 0° / 32°F | 95 mm | 4 |
| May | 67 | 19° / 66°F | 8° / 46°F | 93 mm | 5 |
| June | 70 | 23° / 73°F | 14° / 57°F | 109 mm | 6 |
| July | 73 | 27° / 81°F | 17° / 63°F | 95 mm | 6 |
| August | 72 | 26° / 79°F | 16° / 61°F | 98 mm | 6 |
| September | 74 | 22° / 72°F | 11° / 52°F | 88 mm | 4 |
| October | 29 | 13° / 55°F | 4° / 39°F | 114 mm | 2 |
| November | 0 | 5° / 41°F | -2° / 28°F | 81 mm | 1 |
| December | 0 | -2° / 28°F | -11° / 12°F | 98 mm | 1 |
Nearest destinations
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How Montréal compares month by month: Montréal vs Ottawa · Montréal vs Quebec · Montréal vs Burlington · all comparisons
Montréal: questions and answers
What kind of destination is Montréal?
Montréal is a major city break in Canada with a hot-summer continental climate.
How many hours of sunshine does Montréal get a year?
Montréal gets about 1,981 hours of sunshine a year, at its best around September.
When is the best time to visit Montréal?
The sunniest time to visit Montréal is September, when the Sunshine Score peaks at 74/100 (with July and August close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Montréal?
January is the least sunny month in Montréal, scoring 0/100 with about 72 mm of rain.
How strong is the sun in Montréal?
The typical midday UV index in Montréal peaks around 6 (high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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