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Monthly climate in Mont-Joli, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mont-Joli features a humid continental climate (Dfb). Temperatures typically range between -10 °C (14 °F) and 18 °C (64 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1029 mm (40.5 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually. Mont-Joli enjoys an average of 2930 hours of sunshine throughout the year, and daylight varies from 8 hours 20 minutes to 16 hours 3 minutes per day.

Monthly average temperatures in Mont-Joli, Canada

The warmest months in Mont-Joli 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 -10 to -6 °C (14 - 21 °F) throughout the day. On average each year, Mont-Joli experiences 8 days above 25 °C (77.0 °F) and 154 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mont-Joli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(49°F)		7°C
(44°F)		13°C
(56°F)		15°C
(59°F)		27°C
(80°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		25°C
(77°F)		22°C
(72°F)		19°C
(66°F)		15°C
(59°F)
Mean maximum3°C
(38°F)		4°C
(40°F)		7°C
(44°F)		12°C
(54°F)		22°C
(72°F)		23°C
(74°F)		26°C
(79°F)		26°C
(80°F)		23°C
(74°F)		18°C
(65°F)		12°C
(54°F)		9°C
(48°F)
Average high-7°C
(20°F)		-6°C
(22°F)		-1°C
(30°F)		5°C
(41°F)		13°C
(55°F)		18°C
(64°F)		21°C
(71°F)		21°C
(71°F)		16°C
(62°F)		10°C
(50°F)		3°C
(37°F)		-3°C
(26°F)
Daily mean-10°C
(14°F)		-10°C
(15°F)		-5°C
(24°F)		2°C
(35°F)		8°C
(47°F)		14°C
(57°F)		18°C
(64°F)		18°C
(64°F)		13°C
(56°F)		7°C
(45°F)		0°C
(33°F)		-6°C
(21°F)
Average low-14°C
(8°F)		-13°C
(8°F)		-8°C
(17°F)		-2°C
(29°F)		4°C
(40°F)		10°C
(50°F)		14°C
(57°F)		14°C
(58°F)		10°C
(50°F)		5°C
(41°F)		-2°C
(29°F)		-9°C
(16°F)
Mean minimum-23°C
(-9°F)		-23°C
(-8°F)		-19°C
(-2°F)		-9°C
(16°F)		-1°C
(30°F)		4°C
(39°F)		8°C
(47°F)		9°C
(48°F)		4°C
(39°F)		-2°C
(30°F)		-9°C
(16°F)		-18°C
(1°F)
Minimum-26°C
(-15°F)		-24°C
(-10°F)		-24°C
(-11°F)		-12°C
(11°F)		-2°C
(28°F)		2°C
(36°F)		7°C
(44°F)		7°C
(45°F)		2°C
(35°F)		-4°C
(25°F)		-12°C
(11°F)		-21°C
(-5°F)

Compare climate in Mont-Joli with other places

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

Monthly average precipitation in Mont-Joli, Canada

Mont-Joli usually has the most precipitation in April, October and November, with an average of 13 rainy days and 109 mm (4.3 inches) of precipitation per month. The driest months in Mont-Joli are February, July and August. On average, 72 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mont-Joli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)79 (3.1)62 (2.5)79 (3.1)101 (4.0)79 (3.1)80 (3.1)76 (3.0)76 (3.0)87 (3.4)118 (4.7)107 (4.2)84 (3.3)
Average precipitation days (≥ 1 mm)111111131110111112141214

Monthly sunshine hours in Mont-Joli, Canada

The sunniest months in Mont-Joli are June, July and August, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in Mont-Joli: January, November and December receive an average of 4 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mont-Joli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours119194236251313337357347258196161155
Mean daily daylight hours8h 47m10h 11m11h 56m13h 43m15h 15m16h 3m15h 37m14h 14m12h 31m10h 44m9h 10m8h 20m

Solar UV radiation in Mont-Joli, Canada

Mont-Joli experiences the highest level of ultraviolet (UV) radiation in May, 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 Mont-Joli UV Index data.

Average daily maximum UV levels by month for Mont-Joli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789886421