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.
Jump to: month-by-month table · nearby alternatives · embed this data
- Sun hours / year
- 1,981
- Sunniest month
- September
- Peak score
- 74/100
- Rain / year
- 1,087 mm
- Snow / year
- ≈2.9 m
- Midday UV at peak
- 6 (high)
- Population
- 3.7M
- Elevation
- 30 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, 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 |
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 · 120 km · best in Sep · 1,916 h sun/yr
- Ottawa Canada · 151 km · best in Sep · 2,034 h sun/yr
- Quebec Canada · 233 km · best in Aug · 1,920 h sun/yr
- Albany United States · 302 km · best in May · 2,041 h sun/yr
- Syracuse United States · 323 km · best in May · 1,862 h sun/yr
Nearest destinations
- Plattsburgh United States · 93 km · 1,916 h sun/yr · best in Sep
- Massena United States · 105 km · 1,833 h sun/yr · best in Aug
- Saranac Lake United States · 126 km · 1,831 h sun/yr · best in Sep
- Gatineau Canada · 142 km · 2,035 h sun/yr · best in Sep
Head-to-head
How Montréal compares month by month: Montréal vs Ottawa · Montréal vs Quebec · Montréal vs Burlington · all comparisons
Put the Montréal sunshine badge on your site
A compact badge showing Montréal's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: