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Monthly climate in Montreal, Quebec, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Montreal features a humid continental climate (Dfb). Temperatures typically range between -8 °C (17 °F) and 22 °C (72 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1200 mm (47.2 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually. Montreal enjoys an average of 2775 hours of sunshine throughout the year, and daylight varies from 8 hours 45 minutes to 15 hours 36 minutes per day.

Monthly average temperatures in Montreal, Quebec, Canada §

The warmest months in Montreal are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (67 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -5 °C (17 - 24 °F) throughout the day. On average each year, Montreal experiences 57 days above 25 °C (77.0 °F) and 134 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Montreal, Quebec, Canada. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 9°C
(49°F)		 13°C
(56°F)		 20°C
(69°F)		 25°C
(78°F)		 36°C
(97°F)		 34°C
(94°F)		 35°C
(95°F)		 33°C
(92°F)		 32°C
(90°F)		 27°C
(80°F)		 23°C
(73°F)		 14°C
(57°F)
Mean maximum 5°C
(41°F)		 7°C
(45°F)		 14°C
(57°F)		 21°C
(71°F)		 31°C
(87°F)		 31°C
(87°F)		 32°C
(90°F)		 31°C
(88°F)		 29°C
(84°F)		 23°C
(74°F)		 16°C
(61°F)		 11°C
(51°F)
Average high -5°C
(24°F)		 -3°C
(27°F)		 2°C
(37°F)		 11°C
(52°F)		 19°C
(67°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 22°C
(71°F)		 14°C
(58°F)		 5°C
(41°F)		 -1°C
(30°F)
Daily mean -8°C
(17°F)		 -7°C
(20°F)		 -2°C
(29°F)		 6°C
(43°F)		 14°C
(57°F)		 19°C
(67°F)		 22°C
(72°F)		 21°C
(70°F)		 16°C
(62°F)		 10°C
(50°F)		 2°C
(35°F)		 -5°C
(24°F)
Average low -12°C
(10°F)		 -12°C
(11°F)		 -6°C
(22°F)		 2°C
(35°F)		 8°C
(47°F)		 14°C
(57°F)		 17°C
(63°F)		 16°C
(62°F)		 12°C
(54°F)		 6°C
(44°F)		 -2°C
(29°F)		 -8°C
(18°F)
Mean minimum -25°C
(-13°F)		 -23°C
(-9°F)		 -19°C
(-2°F)		 -6°C
(22°F)		 1°C
(34°F)		 8°C
(46°F)		 11°C
(52°F)		 10°C
(50°F)		 5°C
(41°F)		 -1°C
(30°F)		 -12°C
(10°F)		 -20°C
(-3°F)
Minimum -32°C
(-25°F)		 -25°C
(-13°F)		 -23°C
(-9°F)		 -10°C
(14°F)		 -1°C
(30°F)		 3°C
(38°F)		 10°C
(50°F)		 8°C
(47°F)		 2°C
(35°F)		 -4°C
(25°F)		 -17°C
(1°F)		 -26°C
(-15°F)

Compare climate in Montreal with other places

Compare temperature, precipitation, sunshine, UV index in Montreal, Quebec, Canada with other places around the world.

Monthly average precipitation in Montreal, Quebec, Canada §

Montreal usually has the most precipitation in April, October and November, with an average of 12 rainy days and 126 mm (5.0 inches) of precipitation per month. The driest months in Montreal are January, February and September. On average, 80 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Montreal, Quebec, Canada. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 84 (3.3) 82 (3.2) 84 (3.3) 121 (4.7) 97 (3.8) 103 (4.1) 103 (4.1) 109 (4.3) 73 (2.9) 139 (5.5) 118 (4.6) 88 (3.5)
Average precipitation days (≥ 1 mm) 11 12 11 12 11 12 14 13 9 13 13 12

Monthly sunshine hours in Montreal, Quebec, Canada §

The sunniest months in Montreal are June, July and August, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in Montreal: January, November and December receive an average of 4 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Montreal, Quebec, Canada. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 118 155 235 225 285 321 342 325 280 195 146 143
Mean daily daylight hours 9h 8m 10h 23m 11h 57m 13h 33m 14h 55m 15h 36m 15h 14m 14h 0m 12h 28m 10h 52m 9h 28m 8h 45m

Solar UV radiation in Montreal, Quebec, Canada §

Montreal experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Montreal UV Index data.

Average daily maximum UV levels by month for Montreal, Quebec, Canada. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 5 7 9 9 8 8 7 5 3 2

Detailed Monthly Weather Insights for Montreal, Quebec, Canada

Discover in-depth weather details for every month in Montreal. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Montreal's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.