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Monthly climate in Leblanc, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Leblanc features a subarctic climate (Dfc). Temperatures typically range between -15 °C (6 °F) and 18 °C (65 °F) through the year, but rarely can drop to -37 °C (-35 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1158 mm (45.6 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually. Leblanc enjoys an average of 2523 hours of sunshine throughout the year, and daylight varies from 8 hours 23 minutes to 16 hours 0 minutes per day.

Monthly average temperatures in Leblanc, Canada

The warmest months in Leblanc are June, July and August, with daily mean temperatures ranging from 15 to 18 °C (59 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -15 to -11 °C (6 - 12 °F) throughout the day. On average each year, Leblanc experiences 22 days above 25 °C (77.0 °F) and 185 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Leblanc. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		5°C
(41°F)		13°C
(56°F)		22°C
(72°F)		30°C
(86°F)		33°C
(91°F)		33°C
(92°F)		29°C
(85°F)		29°C
(84°F)		23°C
(74°F)		18°C
(64°F)		8°C
(46°F)
Mean maximum0°C
(33°F)		2°C
(36°F)		7°C
(45°F)		14°C
(57°F)		26°C
(79°F)		28°C
(83°F)		30°C
(86°F)		27°C
(81°F)		24°C
(76°F)		17°C
(63°F)		8°C
(47°F)		4°C
(40°F)
Average high-11°C
(13°F)		-8°C
(17°F)		-3°C
(27°F)		5°C
(41°F)		14°C
(57°F)		20°C
(68°F)		23°C
(74°F)		22°C
(71°F)		16°C
(61°F)		9°C
(48°F)		-1°C
(30°F)		-7°C
(19°F)
Daily mean-15°C
(6°F)		-14°C
(8°F)		-8°C
(19°F)		0°C
(33°F)		8°C
(47°F)		15°C
(59°F)		18°C
(65°F)		16°C
(62°F)		11°C
(53°F)		5°C
(40°F)		-4°C
(25°F)		-11°C
(12°F)
Average low-19°C
(-2°F)		-19°C
(-1°F)		-13°C
(10°F)		-4°C
(25°F)		2°C
(36°F)		9°C
(48°F)		12°C
(55°F)		12°C
(53°F)		7°C
(45°F)		1°C
(34°F)		-8°C
(18°F)		-16°C
(4°F)
Mean minimum-32°C
(-25°F)		-31°C
(-23°F)		-26°C
(-15°F)		-14°C
(7°F)		-7°C
(19°F)		2°C
(37°F)		6°C
(43°F)		5°C
(42°F)		-0°C
(32°F)		-6°C
(21°F)		-19°C
(-2°F)		-29°C
(-19°F)
Minimum-37°C
(-35°F)		-34°C
(-28°F)		-29°C
(-21°F)		-18°C
(-0°F)		-15°C
(6°F)		-0°C
(32°F)		4°C
(39°F)		3°C
(38°F)		-4°C
(25°F)		-12°C
(10°F)		-23°C
(-10°F)		-33°C
(-27°F)

Compare climate in Leblanc with other places

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

Monthly average precipitation in Leblanc, Canada

Leblanc usually has the most precipitation in July, August and September, with an average of 14 rainy days and 130 mm (5.1 inches) of precipitation per month. The driest months in Leblanc are January, February and March. On average, 65 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Leblanc. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)56 (2.2)64 (2.5)75 (2.9)83 (3.3)103 (4.0)98 (3.8)132 (5.2)127 (5.0)131 (5.2)110 (4.3)90 (3.6)89 (3.5)
Average precipitation days (≥ 1 mm)121212131412151414151514

Monthly sunshine hours in Leblanc, Canada

The sunniest months in Leblanc are June, July and August, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in Leblanc: January, November and December receive an average of 3 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Leblanc. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours92163211225282305340293227163107110
Mean daily daylight hours8h 50m10h 13m11h 56m13h 42m15h 13m16h 0m15h 34m14h 12m12h 30m10h 45m9h 12m8h 23m

Solar UV radiation in Leblanc, Canada

Leblanc experiences the highest level of ultraviolet (UV) radiation in April, 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 Leblanc UV Index data.

Average daily maximum UV levels by month for Leblanc. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235889886421