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Monthly climate in Fort-Coulonge, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Fort-Coulonge features a humid continental climate (Dfb). Temperatures typically range between -9 °C (15 °F) and 21 °C (70 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1096 mm (43.1 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Fort-Coulonge enjoys an average of 2711 hours of sunshine throughout the year, and daylight varies from 8 hours 42 minutes to 15 hours 39 minutes per day.

Monthly average temperatures in Fort-Coulonge, Canada

The warmest months in Fort-Coulonge are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -6 °C (15 - 21 °F) throughout the day. On average each year, Fort-Coulonge experiences 46 days above 25 °C (77.0 °F) and 151 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fort-Coulonge. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(48°F)		10°C
(50°F)		18°C
(66°F)		26°C
(80°F)		33°C
(92°F)		33°C
(91°F)		35°C
(95°F)		32°C
(90°F)		31°C
(89°F)		26°C
(79°F)		21°C
(70°F)		14°C
(58°F)
Mean maximum4°C
(39°F)		7°C
(45°F)		11°C
(53°F)		19°C
(67°F)		29°C
(84°F)		30°C
(87°F)		32°C
(89°F)		30°C
(86°F)		28°C
(82°F)		23°C
(73°F)		14°C
(57°F)		8°C
(47°F)
Average high-5°C
(23°F)		-3°C
(27°F)		2°C
(35°F)		10°C
(49°F)		18°C
(64°F)		23°C
(73°F)		26°C
(80°F)		24°C
(76°F)		20°C
(69°F)		13°C
(56°F)		4°C
(39°F)		-3°C
(27°F)
Daily mean-9°C
(15°F)		-8°C
(18°F)		-3°C
(26°F)		4°C
(40°F)		12°C
(54°F)		18°C
(64°F)		21°C
(70°F)		19°C
(67°F)		15°C
(59°F)		8°C
(48°F)		-0°C
(32°F)		-6°C
(21°F)
Average low-14°C
(7°F)		-13°C
(8°F)		-8°C
(18°F)		-0°C
(32°F)		7°C
(44°F)		12°C
(54°F)		16°C
(61°F)		15°C
(59°F)		10°C
(50°F)		5°C
(40°F)		-4°C
(25°F)		-10°C
(14°F)
Mean minimum-27°C
(-16°F)		-26°C
(-15°F)		-22°C
(-7°F)		-9°C
(17°F)		-1°C
(30°F)		6°C
(44°F)		11°C
(52°F)		9°C
(48°F)		3°C
(38°F)		-2°C
(28°F)		-15°C
(5°F)		-23°C
(-8°F)
Minimum-32°C
(-25°F)		-30°C
(-21°F)		-26°C
(-15°F)		-15°C
(5°F)		-4°C
(26°F)		2°C
(36°F)		10°C
(50°F)		7°C
(45°F)		-0°C
(32°F)		-6°C
(21°F)		-25°C
(-12°F)		-30°C
(-22°F)

Compare climate in Fort-Coulonge with other places

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

Monthly average precipitation in Fort-Coulonge, Canada

Fort-Coulonge usually has the most precipitation in May, August and October, with an average of 13 rainy days and 111 mm (4.4 inches) of precipitation per month. The driest months in Fort-Coulonge are January, February and March. On average, 72 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort-Coulonge. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)68 (2.7)73 (2.9)75 (3.0)107 (4.2)114 (4.5)96 (3.8)103 (4.0)107 (4.2)80 (3.1)112 (4.4)83 (3.3)78 (3.1)
Average precipitation days (≥ 1 mm)91211121312121310131411

Monthly sunshine hours in Fort-Coulonge, Canada

The sunniest months in Fort-Coulonge are June, July and August, when the sun shines an average of 10 hours 33 minutes a day. Least sunny months in Fort-Coulonge: January, November and December receive an average of 4 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fort-Coulonge. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours109163235226276308348314267194143122
Mean daily daylight hours9h 6m10h 22m11h 57m13h 34m14h 57m15h 39m15h 16m14h 2m12h 28m10h 51m9h 26m8h 42m

Solar UV radiation in Fort-Coulonge, Canada

Fort-Coulonge experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Fort-Coulonge UV Index data.

Average daily maximum UV levels by month for Fort-Coulonge. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)245899997532