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Monthly climate in Pasadena, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Pasadena features a humid continental climate (Dfb). Temperatures typically range between -7 °C (20 °F) and 17 °C (63 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 27 °C (81 °F). The average annual precipitation amounts to about 1251 mm (49.3 inches) and receives 191 rainy days on the 1 mm (0.04 inches) threshold annually. Pasadena enjoys an average of 2253 hours of sunshine throughout the year, and daylight varies from 8 hours 17 minutes to 16 hours 7 minutes per day.

Monthly average temperatures in Pasadena, Canada

The warmest months in Pasadena are July, August and September, with daily mean temperatures ranging from 13 to 17 °C (55 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -7 to -4 °C (20 - 25 °F) throughout the day. On average each year, Pasadena experiences 2 days above 25 °C (77.0 °F) and 150 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Pasadena. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(50°F)		8°C
(46°F)		11°C
(53°F)		14°C
(58°F)		20°C
(69°F)		26°C
(78°F)		27°C
(81°F)		27°C
(81°F)		23°C
(74°F)		23°C
(74°F)		17°C
(63°F)		12°C
(54°F)
Mean maximum6°C
(42°F)		5°C
(42°F)		7°C
(46°F)		12°C
(54°F)		19°C
(67°F)		21°C
(70°F)		25°C
(76°F)		26°C
(79°F)		22°C
(73°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)
Average high-3°C
(28°F)		-3°C
(26°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(50°F)		15°C
(60°F)		19°C
(67°F)		21°C
(70°F)		16°C
(61°F)		11°C
(51°F)		5°C
(42°F)		0°C
(33°F)
Daily mean-6°C
(22°F)		-7°C
(20°F)		-4°C
(25°F)		1°C
(34°F)		6°C
(43°F)		11°C
(52°F)		15°C
(60°F)		17°C
(63°F)		13°C
(55°F)		7°C
(46°F)		3°C
(37°F)		-2°C
(29°F)
Average low-9°C
(16°F)		-10°C
(14°F)		-7°C
(19°F)		-2°C
(28°F)		2°C
(36°F)		7°C
(45°F)		11°C
(52°F)		13°C
(55°F)		9°C
(48°F)		4°C
(40°F)		0°C
(33°F)		-4°C
(25°F)
Mean minimum-16°C
(3°F)		-17°C
(1°F)		-15°C
(5°F)		-10°C
(14°F)		-3°C
(27°F)		3°C
(37°F)		6°C
(43°F)		8°C
(46°F)		3°C
(37°F)		-1°C
(31°F)		-5°C
(23°F)		-10°C
(15°F)
Minimum-19°C
(-1°F)		-21°C
(-6°F)		-16°C
(3°F)		-15°C
(6°F)		-4°C
(24°F)		-0°C
(32°F)		5°C
(41°F)		7°C
(44°F)		1°C
(34°F)		-2°C
(29°F)		-9°C
(15°F)		-13°C
(9°F)

Compare climate in Pasadena with other places

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

Monthly average precipitation in Pasadena, Canada

Pasadena usually has the most precipitation in October, November and December, with an average of 19 rainy days and 131 mm (5.2 inches) of precipitation per month. The driest months in Pasadena are January, July and August. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Pasadena. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)90 (3.5)111 (4.4)104 (4.1)100 (4.0)94 (3.7)94 (3.7)70 (2.8)89 (3.5)106 (4.2)114 (4.5)140 (5.5)139 (5.5)
Average precipitation days (≥ 1 mm)161817151414121315152121

Monthly sunshine hours in Pasadena, Canada

The sunniest months in Pasadena are June, July and August, when the sun shines an average of 9 hours 55 minutes a day. Least sunny months in Pasadena: January, February and December receive an average of 2 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Pasadena. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours57911732182582863113142151829251
Mean daily daylight hours8h 44m10h 10m11h 56m13h 45m15h 19m16h 7m15h 40m14h 16m12h 31m10h 43m9h 7m8h 17m

Solar UV radiation in Pasadena, Canada

Pasadena experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 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 Pasadena UV Index data.

Average daily maximum UV levels by month for Pasadena. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789886421