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Monthly climate in Banff, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Banff features a ice cap climate ET). Temperatures typically range between -15 °C (5 °F) and 12 °C (53 °F) through the year, but rarely can drop to -38 °C (-36 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 750 mm (29.5 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Banff enjoys an average of 3009 hours of sunshine throughout the year, and daylight varies from 7 hours 57 minutes to 16 hours 28 minutes per day.

Monthly average temperatures in Banff, Canada

The warmest months in Banff 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 -15 to -13 °C (5 - 8 °F) throughout the day. On average each year, Banff experiences 4 days above 25 °C (77.0 °F) and 243 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Banff. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum2°C
(36°F)		4°C
(40°F)		11°C
(51°F)		14°C
(57°F)		19°C
(67°F)		31°C
(88°F)		32°C
(89°F)		28°C
(82°F)		26°C
(79°F)		18°C
(65°F)		6°C
(44°F)		3°C
(38°F)
Mean maximum-1°C
(30°F)		-1°C
(31°F)		5°C
(42°F)		9°C
(48°F)		17°C
(62°F)		20°C
(68°F)		27°C
(80°F)		26°C
(79°F)		21°C
(70°F)		11°C
(53°F)		4°C
(39°F)		-0°C
(32°F)
Average high-9°C
(16°F)		-11°C
(13°F)		-3°C
(26°F)		1°C
(34°F)		8°C
(46°F)		13°C
(57°F)		18°C
(65°F)		18°C
(64°F)		11°C
(52°F)		2°C
(37°F)		-4°C
(25°F)		-10°C
(14°F)
Daily mean-13°C
(8°F)		-15°C
(5°F)		-8°C
(18°F)		-4°C
(25°F)		3°C
(37°F)		8°C
(47°F)		12°C
(53°F)		11°C
(52°F)		5°C
(42°F)		-3°C
(27°F)		-9°C
(17°F)		-14°C
(7°F)
Average low-17°C
(2°F)		-19°C
(-3°F)		-13°C
(10°F)		-9°C
(16°F)		-3°C
(27°F)		2°C
(36°F)		5°C
(41°F)		4°C
(40°F)		0°C
(33°F)		-8°C
(17°F)		-13°C
(9°F)		-18°C
(0°F)
Mean minimum-32°C
(-25°F)		-32°C
(-25°F)		-25°C
(-13°F)		-19°C
(-2°F)		-10°C
(14°F)		-4°C
(26°F)		0°C
(33°F)		-3°C
(28°F)		-8°C
(17°F)		-22°C
(-7°F)		-24°C
(-12°F)		-30°C
(-21°F)
Minimum-38°C
(-36°F)		-37°C
(-34°F)		-33°C
(-27°F)		-23°C
(-9°F)		-15°C
(5°F)		-6°C
(21°F)		-1°C
(30°F)		-4°C
(25°F)		-10°C
(15°F)		-31°C
(-24°F)		-30°C
(-22°F)		-37°C
(-34°F)

Compare climate in Banff with other places

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

Monthly average precipitation in Banff, Canada

Banff usually has the most precipitation in June, July and August, with an average of 14 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Banff are January, February and December. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Banff. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)19 (0.8)42 (1.6)52 (2.1)69 (2.7)75 (3.0)115 (4.5)85 (3.4)76 (3.0)66 (2.6)54 (2.1)49 (1.9)46 (1.8)
Average precipitation days (≥ 1 mm)5111213141715121110119

Monthly sunshine hours in Banff, Canada

The sunniest months in Banff are June, July and August, when the sun shines an average of 11 hours 25 minutes a day. Least sunny months in Banff: January, November and December receive an average of 4 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Banff. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours133177252284315337380332263220153157
Mean daily daylight hours8h 27m10h 1m11h 56m13h 54m15h 36m16h 28m15h 59m14h 27m12h 33m10h 36m8h 52m7h 57m

Solar UV radiation in Banff, Canada

Banff experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 9, 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 Banff UV Index data.

Average daily maximum UV levels by month for Banff. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799987421