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Monthly climate in Granby, Quebec, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Granby features a humid continental climate (Dfb). Temperatures typically range between -8 °C (18 °F) and 21 °C (70 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1240 mm (48.8 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Granby enjoys an average of 2752 hours of sunshine throughout the year, and daylight varies from 8 hours 46 minutes to 15 hours 35 minutes per day.

Monthly average temperatures in Granby, Quebec, Canada §

The warmest months in Granby are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -5 °C (18 - 24 °F) throughout the day. On average each year, Granby experiences 50 days above 25 °C (77.0 °F) and 138 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Granby, 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 13°C
(56°F)		 15°C
(59°F)		 21°C
(70°F)		 24°C
(76°F)		 36°C
(96°F)		 33°C
(91°F)		 35°C
(95°F)		 33°C
(91°F)		 30°C
(87°F)		 26°C
(79°F)		 22°C
(72°F)		 16°C
(61°F)
Mean maximum 7°C
(44°F)		 8°C
(47°F)		 13°C
(56°F)		 21°C
(71°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(88°F)		 28°C
(82°F)		 23°C
(74°F)		 16°C
(61°F)		 11°C
(52°F)
Average high -4°C
(25°F)		 -2°C
(28°F)		 2°C
(36°F)		 10°C
(51°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(78°F)		 21°C
(70°F)		 14°C
(57°F)		 5°C
(40°F)		 -1°C
(30°F)
Daily mean -8°C
(18°F)		 -7°C
(20°F)		 -2°C
(29°F)		 6°C
(43°F)		 13°C
(56°F)		 18°C
(65°F)		 21°C
(70°F)		 20°C
(68°F)		 16°C
(60°F)		 10°C
(49°F)		 1°C
(34°F)		 -5°C
(24°F)
Average low -12°C
(10°F)		 -12°C
(12°F)		 -6°C
(21°F)		 1°C
(35°F)		 8°C
(46°F)		 13°C
(55°F)		 16°C
(61°F)		 15°C
(60°F)		 11°C
(52°F)		 5°C
(42°F)		 -3°C
(27°F)		 -9°C
(16°F)
Mean minimum -27°C
(-16°F)		 -24°C
(-11°F)		 -20°C
(-3°F)		 -7°C
(20°F)		 -1°C
(31°F)		 6°C
(43°F)		 9°C
(48°F)		 8°C
(46°F)		 2°C
(35°F)		 -4°C
(26°F)		 -15°C
(5°F)		 -22°C
(-8°F)
Minimum -33°C
(-27°F)		 -27°C
(-15°F)		 -23°C
(-10°F)		 -9°C
(16°F)		 -3°C
(27°F)		 0°C
(33°F)		 8°C
(46°F)		 6°C
(43°F)		 -3°C
(26°F)		 -7°C
(19°F)		 -20°C
(-5°F)		 -27°C
(-17°F)

Compare climate in Granby with other places

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

Monthly average precipitation in Granby, Quebec, Canada §

Granby usually has the most precipitation in April, October and November, with an average of 14 rainy days and 127 mm (5.0 inches) of precipitation per month. The driest months in Granby are February, September and December. On average, 79 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Granby, 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) 91 (3.6) 84 (3.3) 87 (3.4) 117 (4.6) 102 (4.0) 117 (4.6) 111 (4.4) 115 (4.5) 69 (2.7) 141 (5.5) 122 (4.8) 85 (3.3)
Average precipitation days (≥ 1 mm) 12 13 12 13 13 12 14 13 10 15 14 13

Monthly sunshine hours in Granby, Quebec, Canada §

The sunniest months in Granby are June, July and August, when the sun shines an average of 10 hours 44 minutes a day. Least sunny months in Granby: January, November and December receive an average of 4 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Granby, 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 115 153 231 218 287 322 338 327 280 192 142 142
Mean daily daylight hours 9h 9m 10h 23m 11h 57m 13h 33m 14h 54m 15h 35m 15h 13m 14h 0m 12h 28m 10h 53m 9h 29m 8h 46m

Solar UV radiation in Granby, Quebec, Canada §

Granby experiences the highest level of ultraviolet (UV) radiation in April, May and June, 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 Granby UV Index data.

Average daily maximum UV levels by month for Granby, 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 8 9 9 8 8 7 5 3 2

Detailed Monthly Weather Insights for Granby, Quebec, Canada

Discover in-depth weather details for every month in Granby. 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 Granby'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.