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Monthly climate in Summerland, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Summerland features a subarctic climate (Dfc). Temperatures typically range between -5 °C (23 °F) and 18 °C (64 °F) through the year, but rarely can drop to -28 °C (-17 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 756 mm (29.8 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. Summerland enjoys an average of 2882 hours of sunshine throughout the year, and daylight varies from 8 hours 11 minutes to 16 hours 12 minutes per day.

Monthly average temperatures in Summerland, Canada

The warmest months in Summerland are June, July and August, with daily mean temperatures ranging from 14 to 18 °C (57 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -3 °C (23 - 26 °F) throughout the day. On average each year, Summerland experiences 34 days above 25 °C (77.0 °F) and 144 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Summerland. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(41°F)		8°C
(47°F)		15°C
(59°F)		22°C
(72°F)		26°C
(79°F)		38°C
(101°F)		38°C
(101°F)		34°C
(93°F)		30°C
(86°F)		22°C
(72°F)		10°C
(51°F)		11°C
(52°F)
Mean maximum4°C
(39°F)		6°C
(43°F)		11°C
(52°F)		17°C
(63°F)		24°C
(75°F)		27°C
(81°F)		33°C
(91°F)		32°C
(90°F)		27°C
(81°F)		16°C
(62°F)		10°C
(50°F)		6°C
(42°F)
Average high-1°C
(30°F)		-1°C
(30°F)		5°C
(41°F)		10°C
(50°F)		16°C
(61°F)		20°C
(68°F)		25°C
(77°F)		25°C
(76°F)		18°C
(65°F)		9°C
(49°F)		3°C
(38°F)		-1°C
(30°F)
Daily mean-4°C
(26°F)		-5°C
(23°F)		1°C
(34°F)		5°C
(41°F)		11°C
(51°F)		14°C
(57°F)		18°C
(64°F)		18°C
(64°F)		13°C
(55°F)		5°C
(41°F)		1°C
(33°F)		-3°C
(26°F)
Average low-6°C
(21°F)		-8°C
(17°F)		-3°C
(27°F)		0°C
(33°F)		5°C
(41°F)		8°C
(46°F)		11°C
(51°F)		12°C
(53°F)		8°C
(47°F)		1°C
(35°F)		-2°C
(29°F)		-6°C
(22°F)
Mean minimum-17°C
(2°F)		-19°C
(-3°F)		-12°C
(11°F)		-5°C
(23°F)		0°C
(33°F)		3°C
(38°F)		6°C
(43°F)		6°C
(43°F)		2°C
(35°F)		-7°C
(19°F)		-9°C
(17°F)		-15°C
(4°F)
Minimum-23°C
(-9°F)		-24°C
(-12°F)		-19°C
(-3°F)		-7°C
(19°F)		-1°C
(31°F)		2°C
(36°F)		5°C
(42°F)		4°C
(40°F)		-1°C
(31°F)		-13°C
(9°F)		-14°C
(7°F)		-28°C
(-17°F)

Compare climate in Summerland with other places

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

Monthly average precipitation in Summerland, Canada

Summerland usually has the most precipitation in October, November and December, with an average of 15 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Summerland are June, July and August. On average, 30 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Summerland. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)74 (2.9)73 (2.9)70 (2.7)66 (2.6)52 (2.0)50 (2.0)22 (0.8)17 (0.7)56 (2.2)79 (3.1)101 (4.0)98 (3.9)
Average precipitation days (≥ 1 mm)1415141410104511131717

Monthly sunshine hours in Summerland, Canada

The sunniest months in Summerland are June, July and August, when the sun shines an average of 11 hours 58 minutes a day. Least sunny months in Summerland: January, November and December receive an average of 3 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Summerland. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours94154226268335347397357264198122114
Mean daily daylight hours8h 40m10h 8m11h 56m13h 47m15h 23m16h 12m15h 45m14h 18m12h 31m10h 41m9h 3m8h 11m

Solar UV radiation in Summerland, Canada

Summerland 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 Summerland UV Index data.

Average daily maximum UV levels by month for Summerland. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789987421