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Monthly climate in Denman Island Trust Area, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Denman Island Trust Area features a oceanic climate (Cfb). Temperatures typically range between 3 °C (38 °F) and 19 °C (66 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1757 mm (69.2 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually. Denman Island Trust Area enjoys an average of 2589 hours of sunshine throughout the year, and daylight varies from 8 hours 12 minutes to 16 hours 12 minutes per day.

Monthly average temperatures in Denman Island Trust Area, Canada

The warmest months in Denman Island Trust Area are June, July and August, with daily mean temperatures ranging from 15 to 19 °C (60 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (38 - 40 °F) throughout the day. On average each year, Denman Island Trust Area experiences 14 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Denman Island Trust Area. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(50°F)		10°C
(51°F)		18°C
(64°F)		22°C
(71°F)		25°C
(78°F)		36°C
(98°F)		31°C
(88°F)		32°C
(90°F)		28°C
(82°F)		21°C
(69°F)		14°C
(57°F)		11°C
(53°F)
Mean maximum9°C
(49°F)		9°C
(49°F)		13°C
(56°F)		17°C
(63°F)		22°C
(72°F)		27°C
(80°F)		28°C
(83°F)		29°C
(84°F)		25°C
(77°F)		17°C
(62°F)		13°C
(55°F)		9°C
(49°F)
Average high6°C
(43°F)		5°C
(42°F)		8°C
(47°F)		11°C
(52°F)		16°C
(61°F)		19°C
(66°F)		22°C
(72°F)		22°C
(73°F)		18°C
(64°F)		12°C
(54°F)		8°C
(47°F)		6°C
(42°F)
Daily mean4°C
(40°F)		3°C
(38°F)		5°C
(42°F)		8°C
(47°F)		12°C
(55°F)		15°C
(60°F)		18°C
(65°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)		7°C
(45°F)		4°C
(40°F)
Average low3°C
(38°F)		2°C
(35°F)		3°C
(38°F)		5°C
(42°F)		9°C
(48°F)		12°C
(54°F)		15°C
(58°F)		15°C
(60°F)		13°C
(55°F)		8°C
(47°F)		5°C
(42°F)		3°C
(38°F)
Mean minimum-2°C
(28°F)		-3°C
(26°F)		-1°C
(30°F)		2°C
(36°F)		5°C
(41°F)		8°C
(47°F)		11°C
(53°F)		12°C
(54°F)		9°C
(48°F)		3°C
(38°F)		1°C
(33°F)		-2°C
(28°F)
Minimum-6°C
(22°F)		-6°C
(22°F)		-2°C
(29°F)		1°C
(34°F)		3°C
(38°F)		7°C
(44°F)		10°C
(51°F)		10°C
(51°F)		8°C
(46°F)		1°C
(35°F)		-2°C
(28°F)		-9°C
(16°F)

Compare climate in Denman Island Trust Area with other places

Compare temperature, precipitation, sunshine, UV index in Denman Island Trust Area, Canada with other places around the world.

Monthly average precipitation in Denman Island Trust Area, Canada

Denman Island Trust Area usually has the most precipitation in January, November and December, with an average of 19 rainy days and 275 mm (10.8 inches) of precipitation per month. The driest months in Denman Island Trust Area are June, July and August. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Denman Island Trust Area. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)266 (10.5)151 (5.9)133 (5.3)122 (4.8)59 (2.3)58 (2.3)24 (1.0)47 (1.8)149 (5.9)188 (7.4)296 (11.7)262 (10.3)
Average precipitation days (≥ 1 mm)171615159126613161921

Monthly sunshine hours in Denman Island Trust Area, Canada

The sunniest months in Denman Island Trust Area are June, July and August, when the sun shines an average of 11 hours 24 minutes a day. Least sunny months in Denman Island Trust Area: January, November and December receive an average of 2 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Denman Island Trust Area. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6812719222931932737834223617510486
Mean daily daylight hours8h 40m10h 8m11h 56m13h 47m15h 23m16h 12m15h 45m14h 18m12h 31m10h 41m9h 3m8h 12m

Solar UV radiation in Denman Island Trust Area, Canada

Denman Island Trust Area 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 Denman Island Trust Area UV Index data.

Average daily maximum UV levels by month for Denman Island Trust Area. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234678986421