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Monthly climate in Rocky Mountain House, Alberta, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rocky Mountain House features a subarctic climate (Dfc).Temperatures typically range between -11 °C (13 °F) and 16 °C (60 °F) through the year, but rarely can drop to -40 °C (-40 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 652 mm (25.7 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually.Rocky Mountain House enjoys an average of 2884 hours of sunshine throughout the year, and daylight varies from 7 hours 45 minutes to 16 hours 42 minutes per day.

Monthly average temperatures in Rocky Mountain House, Alberta, Canada §

The warmest months in Rocky Mountain House are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -7 °C (13 - 19 °F) throughout the day. On average each year, Rocky Mountain House experiences 18 days above 25 °C (77.0 °F) and 188 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rocky Mountain House, Alberta, 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 10°C
(50°F)		 12°C
(55°F)		 15°C
(60°F)		 25°C
(78°F)		 27°C
(81°F)		 35°C
(95°F)		 35°C
(96°F)		 34°C
(94°F)		 30°C
(86°F)		 24°C
(75°F)		 18°C
(65°F)		 12°C
(54°F)
Mean maximum 8°C
(47°F)		 9°C
(48°F)		 12°C
(53°F)		 19°C
(67°F)		 25°C
(77°F)		 26°C
(79°F)		 31°C
(87°F)		 31°C
(88°F)		 25°C
(78°F)		 21°C
(70°F)		 13°C
(56°F)		 9°C
(48°F)
Average high -3°C
(27°F)		 -5°C
(23°F)		 2°C
(36°F)		 8°C
(46°F)		 16°C
(61°F)		 19°C
(67°F)		 22°C
(72°F)		 22°C
(71°F)		 16°C
(60°F)		 9°C
(49°F)		 3°C
(37°F)		 -3°C
(28°F)
Daily mean -8°C
(18°F)		 -11°C
(13°F)		 -4°C
(25°F)		 2°C
(35°F)		 9°C
(49°F)		 14°C
(57°F)		 16°C
(60°F)		 15°C
(59°F)		 10°C
(49°F)		 3°C
(37°F)		 -3°C
(28°F)		 -7°C
(19°F)
Average low -13°C
(9°F)		 -16°C
(3°F)		 -9°C
(16°F)		 -4°C
(25°F)		 3°C
(37°F)		 7°C
(45°F)		 9°C
(49°F)		 8°C
(47°F)		 4°C
(40°F)		 -2°C
(28°F)		 -7°C
(19°F)		 -12°C
(11°F)
Mean minimum -31°C
(-23°F)		 -32°C
(-25°F)		 -27°C
(-16°F)		 -14°C
(8°F)		 -3°C
(26°F)		 2°C
(36°F)		 5°C
(41°F)		 2°C
(37°F)		 -2°C
(28°F)		 -14°C
(7°F)		 -19°C
(-2°F)		 -27°C
(-16°F)
Minimum -40°C
(-39°F)		 -37°C
(-34°F)		 -40°C
(-40°F)		 -23°C
(-9°F)		 -7°C
(21°F)		 1°C
(34°F)		 4°C
(40°F)		 1°C
(33°F)		 -8°C
(18°F)		 -24°C
(-11°F)		 -23°C
(-10°F)		 -40°C
(-39°F)

Compare climate in Rocky Mountain House with other places

Compare temperature, precipitation, sunshine, UV index in Rocky Mountain House, Alberta, Canada with other places around the world.

Monthly average precipitation in Rocky Mountain House, Alberta, Canada §

Rocky Mountain House usually has the most precipitation in June, July and August, with an average of 14 rainy days and 97 mm (3.8 inches) of precipitation per month.The driest months in Rocky Mountain House are January, February and December. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rocky Mountain House, Alberta, 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) 12 (0.5) 26 (1.0) 33 (1.3) 47 (1.8) 70 (2.8) 108 (4.3) 112 (4.4) 72 (2.8) 71 (2.8) 37 (1.4) 37 (1.4) 28 (1.1)
Average precipitation days (≥ 1 mm) 4 8 8 11 12 16 17 11 11 8 9 8

Monthly sunshine hours in Rocky Mountain House, Alberta, Canada §

The sunniest months in Rocky Mountain House are May, June and July, when the sun shines an average of 11 hours 1 minutes a day.Least sunny months in Rocky Mountain House: January, November and December receive an average of 4 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rocky Mountain House, Alberta, 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 122 160 242 281 321 335 356 318 232 209 153 149
Mean daily daylight hours 8h 17m 9h 55m 11h 56m 13h 59m 15h 46m 16h 42m 16h 11m 14h 33m 12h 34m 10h 32m 8h 43m 7h 45m

Solar UV radiation in Rocky Mountain House, Alberta, Canada §

Rocky Mountain House experiences the highest level of ultraviolet (UV) radiation in June, 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 Rocky Mountain House UV Index data.

Average daily maximum UV levels by month for Rocky Mountain House, Alberta, 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 3 4 6 7 8 8 8 6 4 2 1