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Climate · Montreal

Montreal in July

Warm and damp, as the days shorten.

Typical weather, averaged over 30 years

July in Montreal is warm: highs near 82°F, lows near 64°F. Rain falls on about three days a week, and the days shorten by 35 minutes from the first week to the last.July in Montreal is warm: highs near 28°C, lows near 18°C. Rain falls on about three days a week, and the days shorten by 35 minutes from the first week to the last.

High
82°F28°Caverage
Low
64°F18°Caverage
Wet days
3a week · 45% of days
Daylight
15h 16mon average

Is July a good time to visit Montreal?

A good month, just outside Montreal's best months, which run in two parts: June, or August to September.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How July sits in the year

week by week

Temperature

Highs near 82°F in July, against 27°F to 82°F through the year.Highs near 28°C in July, against -3°C to 28°C through the year.

Chance of a wet day

45% of days in July, against 34% to 45% through the year.

Cloud cover

46% cover in July, against 42% to 67% through the year.

Daylight

15h 16m in July, against 8h 46m to 15h 37m through the year.

Week by week, lightly smoothed, with July shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. June78°26°low 58°low 14°3 wet days a weekRain on about three days a week.
  2. July82°28°low 64°low 18°3 wet days a weekRain on about three days a week.
  3. August80°27°low 63°low 17°3 wet days a weekRain on about three days a week.

Where Montreal sits, in July

America/Toronto
this place
typical high in July 40°F4°C95°F35°C
Sunrise, mid-July
5:19 AMsets 8:41 PM
Above the sea
40 mlow-lying
Latitude
45.5°Nnorthern hemisphere
Nearest of ours
Mont-Tremblant104 km north-west

The land around Montreal, shaded by its typical high in July, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Canada in July

high · low · wet days
See July on the planning mapThe whole year in Montreal

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Montreal. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.