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Monthly climate in Jasper, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jasper features a subarctic climate (Dfc). Temperatures typically range between -14 °C (7 °F) and 12 °C (53 °F) through the year, but rarely can drop to -41 °C (-41 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 852 mm (33.5 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually. Jasper enjoys an average of 2721 hours of sunshine throughout the year, and daylight varies from 7 hours 39 minutes to 16 hours 48 minutes per day.

Monthly average temperatures in Jasper, Canada

The warmest months in Jasper are June, July and August, with daily mean temperatures ranging from 8 to 12 °C (47 - 53 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -14 to -13 °C (7 - 9 °F) throughout the day. On average each year, Jasper experiences 4 days above 25 °C (77.0 °F) and 245 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jasper. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum1°C
(34°F)		5°C
(42°F)		13°C
(56°F)		16°C
(62°F)		23°C
(74°F)		35°C
(95°F)		35°C
(95°F)		27°C
(81°F)		26°C
(80°F)		19°C
(67°F)		6°C
(43°F)		2°C
(35°F)
Mean maximum-1°C
(30°F)		0°C
(32°F)		7°C
(44°F)		11°C
(52°F)		18°C
(64°F)		23°C
(73°F)		27°C
(82°F)		26°C
(79°F)		21°C
(70°F)		12°C
(55°F)		4°C
(39°F)		-2°C
(29°F)
Average high-9°C
(16°F)		-9°C
(15°F)		-2°C
(29°F)		2°C
(37°F)		9°C
(49°F)		14°C
(58°F)		18°C
(65°F)		18°C
(64°F)		11°C
(52°F)		3°C
(37°F)		-5°C
(24°F)		-11°C
(13°F)
Daily mean-13°C
(9°F)		-14°C
(7°F)		-7°C
(20°F)		-3°C
(28°F)		3°C
(39°F)		8°C
(47°F)		12°C
(53°F)		11°C
(52°F)		5°C
(41°F)		-3°C
(26°F)		-9°C
(16°F)		-14°C
(7°F)
Average low-16°C
(3°F)		-18°C
(-1°F)		-12°C
(11°F)		-8°C
(18°F)		-3°C
(27°F)		2°C
(35°F)		5°C
(41°F)		4°C
(40°F)		0°C
(32°F)		-9°C
(17°F)		-13°C
(9°F)		-17°C
(2°F)
Mean minimum-31°C
(-24°F)		-31°C
(-24°F)		-24°C
(-12°F)		-17°C
(2°F)		-8°C
(19°F)		-4°C
(25°F)		1°C
(33°F)		-2°C
(29°F)		-7°C
(20°F)		-22°C
(-8°F)		-26°C
(-14°F)		-30°C
(-22°F)
Minimum-41°C
(-41°F)		-36°C
(-32°F)		-33°C
(-27°F)		-22°C
(-7°F)		-9°C
(16°F)		-7°C
(20°F)		-1°C
(31°F)		-3°C
(26°F)		-12°C
(11°F)		-28°C
(-18°F)		-30°C
(-22°F)		-39°C
(-39°F)

Compare climate in Jasper with other places

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

Monthly average precipitation in Jasper, Canada

Jasper usually has the most precipitation in June, July and September, with an average of 16 rainy days and 106 mm (4.2 inches) of precipitation per month. The driest months in Jasper are January, February and December. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jasper. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)50 (2.0)58 (2.3)61 (2.4)71 (2.8)112 (4.4)119 (4.7)76 (3.0)86 (3.4)70 (2.8)67 (2.6)47 (1.8)
Average precipitation days (≥ 1 mm)81213141217161215141411

Monthly sunshine hours in Jasper, Canada

The sunniest months in Jasper are May, June and July, when the sun shines an average of 10 hours 39 minutes a day. Least sunny months in Jasper: January, November and December receive an average of 3 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jasper. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours100153229272319316343312220187128136
Mean daily daylight hours8h 12m9h 53m11h 55m14h 1m15h 50m16h 48m16h 16m14h 36m12h 35m10h 31m8h 39m7h 39m

Solar UV radiation in Jasper, Canada

Jasper 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 Jasper UV Index data.

Average daily maximum UV levels by month for Jasper. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235688886421