Montréal weather by month & the best time to visit
🇨🇦 Canada · major city break · 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.
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- Sun hours / year
- 1,981
- Sunniest month
- September
- Peak score
- 74/100
- Rain / year
- 1,080 mm
- Snow / year
- ≈2.7 m
- Midday UV at peak
- 6 (high)
- Population
- 3.7M
- Elevation
- 25 m

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, 66 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 #136 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 1,080 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 | -5° / 23°F | -16° / 3°F | 66 mm | 1 |
| February | 0 | -4° / 25°F | -14° / 7°F | 64 mm | 1 |
| March | 0 | 2° / 36°F | -8° / 18°F | 73 mm | 3 |
| April | 18 | 11° / 52°F | 0° / 32°F | 92 mm | 4 |
| May | 67 | 19° / 66°F | 7° / 45°F | 95 mm | 5 |
| June | 70 | 23° / 73°F | 13° / 55°F | 112 mm | 6 |
| July | 72 | 26° / 79°F | 16° / 61°F | 101 mm | 6 |
| August | 71 | 25° / 77°F | 15° / 59°F | 103 mm | 6 |
| September | 74 | 22° / 72°F | 11° / 52°F | 88 mm | 4 |
| October | 29 | 13° / 55°F | 4° / 39°F | 115 mm | 2 |
| November | 0 | 6° / 43°F | -2° / 28°F | 79 mm | 1 |
| December | 0 | -2° / 28°F | -10° / 14°F | 92 mm | 1 |
See Montréal on the interactive sunshine globe →
Nearby places for sunshine
- Montréal Canada · 26 km · best in Sep · 1,981 h sun/yr
- Burlington United States · 118 km · best in Sep · 1,916 h sun/yr
- Ottawa Canada · 177 km · best in Sep · 2,034 h sun/yr
- Quebec Canada · 211 km · best in Aug · 1,920 h sun/yr
- Albany United States · 309 km · best in May · 2,041 h sun/yr
- Portland (Maine) United States · 322 km · best in Jul · 2,150 h sun/yr
Nearest destinations
- Plattsburgh United States · 96 km · 1,916 h sun/yr · best in Sep
- Massena United States · 129 km · 1,833 h sun/yr · best in Aug
- Saranac Lake United States · 140 km · 1,831 h sun/yr · best in Sep
- Gatineau Canada · 167 km · 2,035 h sun/yr · best in Sep
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