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Monthly climate in Squamish, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Squamish features a oceanic climate (Cfb). Temperatures typically range between -3 °C (27 °F) and 15 °C (59 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 2851 mm (112.3 inches) and receives 196 rainy days on the 1 mm (0.04 inches) threshold annually. Squamish enjoys an average of 2545 hours of sunshine throughout the year, and daylight varies from 8 hours 10 minutes to 16 hours 13 minutes per day.

Monthly average temperatures in Squamish, Canada

The warmest months in Squamish are July, August and September, with daily mean temperatures ranging from 11 to 15 °C (53 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -1 °C (27 - 30 °F) throughout the day. On average each year, Squamish experiences 5 days above 25 °C (77.0 °F) and 125 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Squamish. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		7°C
(44°F)		15°C
(60°F)		20°C
(68°F)		23°C
(73°F)		35°C
(96°F)		28°C
(82°F)		30°C
(86°F)		28°C
(83°F)		20°C
(68°F)		10°C
(50°F)		6°C
(44°F)
Mean maximum5°C
(41°F)		5°C
(41°F)		9°C
(48°F)		13°C
(56°F)		19°C
(66°F)		23°C
(73°F)		25°C
(77°F)		27°C
(80°F)		24°C
(75°F)		15°C
(59°F)		9°C
(48°F)		5°C
(41°F)
Average high1°C
(33°F)		-0°C
(32°F)		3°C
(38°F)		6°C
(44°F)		12°C
(53°F)		15°C
(59°F)		18°C
(65°F)		19°C
(67°F)		15°C
(59°F)		8°C
(47°F)		4°C
(39°F)		-0°C
(32°F)
Daily mean-1°C
(30°F)		-3°C
(27°F)		0°C
(33°F)		3°C
(37°F)		8°C
(46°F)		11°C
(52°F)		14°C
(58°F)		15°C
(59°F)		11°C
(53°F)		5°C
(41°F)		2°C
(35°F)		-2°C
(29°F)
Average low-3°C
(27°F)		-5°C
(23°F)		-2°C
(29°F)		-0°C
(32°F)		3°C
(38°F)		7°C
(45°F)		10°C
(50°F)		11°C
(52°F)		8°C
(47°F)		2°C
(36°F)		-0°C
(32°F)		-3°C
(26°F)
Mean minimum-12°C
(11°F)		-13°C
(9°F)		-9°C
(16°F)		-4°C
(25°F)		-1°C
(30°F)		3°C
(37°F)		6°C
(44°F)		7°C
(44°F)		3°C
(38°F)		-5°C
(24°F)		-7°C
(20°F)		-12°C
(11°F)
Minimum-18°C
(-0°F)		-17°C
(2°F)		-12°C
(11°F)		-6°C
(22°F)		-3°C
(27°F)		2°C
(35°F)		5°C
(41°F)		6°C
(43°F)		2°C
(35°F)		-8°C
(17°F)		-12°C
(11°F)		-20°C
(-4°F)

Compare climate in Squamish with other places

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

Monthly average precipitation in Squamish, Canada

Squamish usually has the most precipitation in January, November and December, with an average of 19 rainy days and 406 mm (16.0 inches) of precipitation per month. The driest months in Squamish are May, July and August. On average, 91 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Squamish. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)379 (14.9)211 (8.3)254 (10.0)199 (7.8)113 (4.4)125 (4.9)80 (3.1)82 (3.2)242 (9.5)329 (13.0)465 (18.3)374 (14.7)
Average precipitation days (≥ 1 mm)171918171317111016182020

Monthly sunshine hours in Squamish, Canada

The sunniest months in Squamish are June, July and August, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Squamish: January, November and December receive an average of 2 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Squamish. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7213118922531431637233623216210686
Mean daily daylight hours8h 39m10h 7m11h 56m13h 48m15h 24m16h 13m15h 46m14h 19m12h 31m10h 41m9h 2m8h 10m

Solar UV radiation in Squamish, Canada

Squamish experiences the highest level of ultraviolet (UV) radiation in June, July 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 Squamish UV Index data.

Average daily maximum UV levels by month for Squamish. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689987521