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Monthly climate in Red Deer, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Red Deer features a humid continental climate (Dfb). Temperatures typically range between -12 °C (11 °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 35 °C (95 °F). The average annual precipitation amounts to about 531 mm (20.9 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually. Red Deer enjoys an average of 2937 hours of sunshine throughout the year, and daylight varies from 7 hours 47 minutes to 16 hours 39 minutes per day.

Monthly average temperatures in Red Deer, Canada

The warmest months in Red Deer are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (59 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -12 to -8 °C (11 - 17 °F) throughout the day. On average each year, Red Deer experiences 22 days above 25 °C (77.0 °F) and 185 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Red Deer. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(49°F)		13°C
(56°F)		15°C
(59°F)		27°C
(80°F)		28°C
(83°F)		34°C
(93°F)		34°C
(93°F)		35°C
(95°F)		31°C
(87°F)		23°C
(73°F)		19°C
(67°F)		10°C
(51°F)
Mean maximum6°C
(44°F)		7°C
(44°F)		11°C
(52°F)		20°C
(69°F)		26°C
(79°F)		27°C
(80°F)		30°C
(87°F)		31°C
(89°F)		26°C
(79°F)		20°C
(69°F)		12°C
(55°F)		7°C
(45°F)
Average high-5°C
(24°F)		-7°C
(20°F)		1°C
(34°F)		8°C
(46°F)		16°C
(62°F)		20°C
(68°F)		23°C
(73°F)		22°C
(72°F)		16°C
(61°F)		9°C
(49°F)		1°C
(35°F)		-4°C
(25°F)
Daily mean-9°C
(15°F)		-12°C
(11°F)		-4°C
(24°F)		2°C
(36°F)		10°C
(51°F)		15°C
(59°F)		17°C
(62°F)		16°C
(60°F)		10°C
(51°F)		3°C
(37°F)		-4°C
(26°F)		-8°C
(17°F)
Average low-14°C
(7°F)		-16°C
(3°F)		-9°C
(15°F)		-4°C
(26°F)		4°C
(39°F)		9°C
(48°F)		10°C
(51°F)		9°C
(49°F)		5°C
(41°F)		-2°C
(28°F)		-8°C
(18°F)		-13°C
(10°F)
Mean minimum-31°C
(-23°F)		-32°C
(-25°F)		-24°C
(-11°F)		-14°C
(8°F)		-3°C
(27°F)		3°C
(38°F)		6°C
(43°F)		3°C
(38°F)		-1°C
(31°F)		-12°C
(11°F)		-18°C
(0°F)		-26°C
(-15°F)
Minimum-40°C
(-39°F)		-38°C
(-37°F)		-32°C
(-25°F)		-25°C
(-13°F)		-6°C
(22°F)		1°C
(34°F)		4°C
(40°F)		2°C
(36°F)		-4°C
(25°F)		-20°C
(-3°F)		-22°C
(-7°F)		-37°C
(-35°F)

Compare climate in Red Deer with other places

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

Monthly average precipitation in Red Deer, Canada

Red Deer usually has the most precipitation in May, June and July, with an average of 12 rainy days and 84 mm (3.3 inches) of precipitation per month. The driest months in Red Deer are January, February and December. On average, 19 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Red Deer. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)11 (0.5)21 (0.8)29 (1.1)32 (1.3)68 (2.7)98 (3.9)87 (3.4)49 (1.9)53 (2.1)28 (1.1)31 (1.2)23 (0.9)
Average precipitation days (≥ 1 mm)4678101314910578

Monthly sunshine hours in Red Deer, Canada

The sunniest months in Red Deer are May, June and July, when the sun shines an average of 11 hours 11 minutes a day. Least sunny months in Red Deer: January, November and December receive an average of 4 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Red Deer. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours125171245281327343357323237216160147
Mean daily daylight hours8h 19m9h 56m11h 56m13h 58m15h 44m16h 39m16h 8m14h 32m12h 34m10h 33m8h 44m7h 47m

Solar UV radiation in Red Deer, Canada

Red Deer experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / 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 Red Deer UV Index data.

Average daily maximum UV levels by month for Red Deer. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234678876421