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Monthly climate in Grande Cache, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Grande Cache features a subarctic climate (Dfc). Temperatures typically range between -13 °C (8 °F) and 12 °C (54 °F) through the year, but rarely can drop to -42 °C (-44 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 870 mm (34.2 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually. Grande Cache enjoys an average of 2778 hours of sunshine throughout the year, and daylight varies from 7 hours 28 minutes to 17 hours 0 minutes per day.

Monthly average temperatures in Grande Cache, Canada

The warmest months in Grande Cache are June, July and August, with daily mean temperatures ranging from 10 to 12 °C (50 - 54 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -13 to -11 °C (8 - 12 °F) throughout the day. On average each year, Grande Cache experiences 5 days above 25 °C (77.0 °F) and 230 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grande Cache. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		8°C
(46°F)		16°C
(60°F)		18°C
(65°F)		25°C
(77°F)		37°C
(98°F)		35°C
(96°F)		28°C
(83°F)		27°C
(81°F)		20°C
(69°F)		13°C
(56°F)		4°C
(40°F)
Mean maximum3°C
(38°F)		2°C
(37°F)		7°C
(46°F)		12°C
(55°F)		20°C
(69°F)		25°C
(77°F)		28°C
(82°F)		26°C
(79°F)		21°C
(71°F)		16°C
(60°F)		6°C
(44°F)		2°C
(36°F)
Average high-8°C
(19°F)		-9°C
(17°F)		-1°C
(30°F)		3°C
(38°F)		11°C
(52°F)		15°C
(60°F)		18°C
(65°F)		18°C
(64°F)		12°C
(53°F)		4°C
(40°F)		-3°C
(27°F)		-8°C
(18°F)
Daily mean-11°C
(12°F)		-13°C
(8°F)		-6°C
(21°F)		-2°C
(29°F)		5°C
(42°F)		10°C
(50°F)		12°C
(54°F)		11°C
(52°F)		6°C
(43°F)		-1°C
(30°F)		-7°C
(20°F)		-11°C
(12°F)
Average low-15°C
(5°F)		-18°C
(0°F)		-11°C
(12°F)		-7°C
(20°F)		-1°C
(30°F)		3°C
(37°F)		6°C
(42°F)		5°C
(41°F)		1°C
(34°F)		-6°C
(21°F)		-11°C
(12°F)		-15°C
(5°F)
Mean minimum-31°C
(-24°F)		-32°C
(-25°F)		-25°C
(-13°F)		-18°C
(0°F)		-7°C
(20°F)		-3°C
(27°F)		1°C
(34°F)		-1°C
(31°F)		-8°C
(19°F)		-21°C
(-5°F)		-25°C
(-13°F)		-30°C
(-22°F)
Minimum-42°C
(-44°F)		-39°C
(-38°F)		-33°C
(-27°F)		-26°C
(-14°F)		-9°C
(16°F)		-4°C
(24°F)		-1°C
(31°F)		-2°C
(28°F)		-14°C
(7°F)		-26°C
(-14°F)		-30°C
(-22°F)		-40°C
(-40°F)

Compare climate in Grande Cache with other places

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

Monthly average precipitation in Grande Cache, Canada

Grande Cache usually has the most precipitation in June, July and September, with an average of 15 rainy days and 109 mm (4.3 inches) of precipitation per month. The driest months in Grande Cache are January, February and December. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grande Cache. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)51 (2.0)54 (2.1)52 (2.0)68 (2.7)109 (4.3)126 (5.0)82 (3.2)93 (3.7)74 (2.9)82 (3.2)43 (1.7)
Average precipitation days (≥ 1 mm)81213131216161315121411

Monthly sunshine hours in Grande Cache, Canada

The sunniest months in Grande Cache are May, June and July, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Grande Cache: January, November and December receive an average of 3 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grande Cache. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours102152225277337333346318229192126138
Mean daily daylight hours8h 3m9h 48m11h 55m14h 5m16h 0m17h 0m16h 26m14h 42m12h 36m10h 27m8h 30m7h 28m

Solar UV radiation in Grande Cache, Canada

Grande Cache experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 8 - 8, which corresponds to the Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Grande Cache UV Index data.

Average daily maximum UV levels by month for Grande Cache. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)134688886421