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Monthly climate in Chetwynd, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chetwynd features a subarctic climate (Dfc). Temperatures typically range between -12 °C (11 °F) and 15 °C (59 °F) through the year, but rarely can drop to -40 °C (-39 °F) or can rise to as high as 38 °C (102 °F). The average annual precipitation amounts to about 735 mm (28.9 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Chetwynd enjoys an average of 2690 hours of sunshine throughout the year, and daylight varies from 7 hours 6 minutes to 17 hours 25 minutes per day.

Monthly average temperatures in Chetwynd, Canada

The warmest months in Chetwynd are June, July and August, with daily mean temperatures ranging from 13 to 15 °C (56 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -12 to -9 °C (11 - 17 °F) throughout the day. On average each year, Chetwynd experiences 11 days above 25 °C (77.0 °F) and 184 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chetwynd. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(44°F)		9°C
(48°F)		14°C
(57°F)		20°C
(69°F)		28°C
(82°F)		38°C
(102°F)		32°C
(90°F)		30°C
(86°F)		29°C
(84°F)		21°C
(69°F)		11°C
(52°F)		6°C
(44°F)
Mean maximum5°C
(41°F)		4°C
(40°F)		9°C
(48°F)		15°C
(60°F)		24°C
(75°F)		27°C
(82°F)		28°C
(83°F)		28°C
(82°F)		23°C
(74°F)		17°C
(63°F)		8°C
(46°F)		4°C
(40°F)
Average high-6°C
(21°F)		-7°C
(19°F)		-0°C
(32°F)		6°C
(43°F)		15°C
(59°F)		19°C
(66°F)		20°C
(69°F)		20°C
(68°F)		14°C
(58°F)		7°C
(44°F)		-2°C
(30°F)		-6°C
(22°F)
Daily mean-10°C
(14°F)		-12°C
(11°F)		-5°C
(23°F)		1°C
(34°F)		9°C
(49°F)		13°C
(56°F)		15°C
(59°F)		14°C
(57°F)		9°C
(48°F)		2°C
(36°F)		-5°C
(24°F)		-9°C
(17°F)
Average low-13°C
(8°F)		-17°C
(2°F)		-10°C
(14°F)		-4°C
(25°F)		3°C
(38°F)		7°C
(46°F)		9°C
(49°F)		8°C
(47°F)		4°C
(39°F)		-2°C
(29°F)		-9°C
(17°F)		-12°C
(11°F)
Mean minimum-33°C
(-27°F)		-33°C
(-26°F)		-25°C
(-13°F)		-14°C
(7°F)		-3°C
(26°F)		2°C
(36°F)		5°C
(42°F)		3°C
(37°F)		-4°C
(25°F)		-11°C
(13°F)		-20°C
(-5°F)		-26°C
(-15°F)
Minimum-39°C
(-37°F)		-40°C
(-39°F)		-31°C
(-24°F)		-25°C
(-12°F)		-7°C
(20°F)		1°C
(33°F)		4°C
(39°F)		1°C
(34°F)		-9°C
(16°F)		-18°C
(0°F)		-23°C
(-9°F)		-37°C
(-34°F)

Compare climate in Chetwynd with other places

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

Monthly average precipitation in Chetwynd, Canada

Chetwynd usually has the most precipitation in June, July and November, with an average of 13 rainy days and 94 mm (3.7 inches) of precipitation per month. The driest months in Chetwynd are January, February and December. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chetwynd. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)36 (1.4)48 (1.9)42 (1.6)65 (2.6)91 (3.6)113 (4.4)66 (2.6)66 (2.6)56 (2.2)78 (3.1)37 (1.5)
Average precipitation days (≥ 1 mm)1081191013149119149

Monthly sunshine hours in Chetwynd, Canada

The sunniest months in Chetwynd are May, June and July, when the sun shines an average of 11 hours 9 minutes a day. Least sunny months in Chetwynd: January, November and December receive an average of 3 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chetwynd. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours82156214273329347349314218187101115
Mean daily daylight hours7h 44m9h 38m11h 55m14h 14m16h 18m17h 25m16h 47m14h 54m12h 38m10h 20m8h 14m7h 6m

Solar UV radiation in Chetwynd, Canada

Chetwynd experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 7 - 7, which corresponds to the 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 1. For more detailed information, check out our hourly Chetwynd UV Index data.

Average daily maximum UV levels by month for Chetwynd. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124577776311