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Monthly climate in Carstairs, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Carstairs features a humid continental climate (Dfb). Temperatures typically range between -11 °C (12 °F) and 17 °C (62 °F) through the year, but rarely can drop to -40 °C (-39 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 535 mm (21.1 inches) and receives 99 rainy days on the 1 mm (0.04 inches) threshold annually. Carstairs enjoys an average of 3040 hours of sunshine throughout the year, and daylight varies from 7 hours 53 minutes to 16 hours 33 minutes per day.

Monthly average temperatures in Carstairs, Canada

The warmest months in Carstairs are June, July and August, with daily mean temperatures ranging from 14 to 17 °C (58 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -7 °C (12 - 19 °F) throughout the day. On average each year, Carstairs experiences 29 days above 25 °C (77.0 °F) and 180 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Carstairs. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(51°F)		13°C
(55°F)		16°C
(62°F)		27°C
(80°F)		30°C
(85°F)		36°C
(96°F)		36°C
(97°F)		37°C
(100°F)		32°C
(90°F)		23°C
(74°F)		21°C
(69°F)		14°C
(58°F)
Mean maximum7°C
(45°F)		8°C
(47°F)		13°C
(55°F)		21°C
(69°F)		26°C
(80°F)		27°C
(81°F)		32°C
(90°F)		33°C
(92°F)		28°C
(82°F)		21°C
(70°F)		15°C
(59°F)		9°C
(48°F)
Average high-3°C
(27°F)		-6°C
(21°F)		2°C
(36°F)		8°C
(47°F)		17°C
(62°F)		20°C
(69°F)		23°C
(74°F)		23°C
(74°F)		17°C
(63°F)		10°C
(50°F)		3°C
(37°F)		-3°C
(27°F)
Daily mean-8°C
(18°F)		-11°C
(12°F)		-4°C
(25°F)		2°C
(36°F)		10°C
(51°F)		14°C
(58°F)		17°C
(62°F)		16°C
(61°F)		11°C
(51°F)		3°C
(38°F)		-2°C
(28°F)		-7°C
(19°F)
Average low-12°C
(10°F)		-16°C
(3°F)		-9°C
(16°F)		-3°C
(26°F)		4°C
(39°F)		8°C
(47°F)		10°C
(50°F)		9°C
(48°F)		5°C
(41°F)		-2°C
(29°F)		-7°C
(20°F)		-11°C
(12°F)
Mean minimum-31°C
(-24°F)		-31°C
(-23°F)		-25°C
(-12°F)		-13°C
(9°F)		-3°C
(28°F)		3°C
(37°F)		6°C
(43°F)		3°C
(37°F)		-1°C
(30°F)		-12°C
(11°F)		-17°C
(2°F)		-25°C
(-13°F)
Minimum-40°C
(-39°F)		-35°C
(-30°F)		-32°C
(-25°F)		-23°C
(-9°F)		-5°C
(23°F)		1°C
(34°F)		5°C
(41°F)		2°C
(36°F)		-3°C
(27°F)		-18°C
(-0°F)		-22°C
(-8°F)		-36°C
(-33°F)

Compare climate in Carstairs with other places

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

Monthly average precipitation in Carstairs, Canada

Carstairs usually has the most precipitation in May, June and July, with an average of 11 rainy days and 82 mm (3.2 inches) of precipitation per month. The driest months in Carstairs are January, February and December. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Carstairs. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.3)28 (1.1)28 (1.1)37 (1.5)62 (2.5)95 (3.8)87 (3.4)50 (2.0)51 (2.0)31 (1.2)30 (1.2)26 (1.0)
Average precipitation days (≥ 1 mm)38691013121010675

Monthly sunshine hours in Carstairs, Canada

The sunniest months in Carstairs are June, July and August, when the sun shines an average of 11 hours 28 minutes a day. Least sunny months in Carstairs: January, November and December receive an average of 5 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Carstairs. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours137177254289323349376329251222165163
Mean daily daylight hours8h 24m9h 59m11h 56m13h 55m15h 39m16h 33m16h 3m14h 29m12h 33m10h 35m8h 49m7h 53m

Solar UV radiation in Carstairs, Canada

Carstairs 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 Carstairs UV Index data.

Average daily maximum UV levels by month for Carstairs. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234678886421