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Monthly climate in Saint-Isidore, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Saint-Isidore features a humid continental climate (Dfb). Temperatures typically range between -13 °C (10 °F) and 19 °C (66 °F) through the year, but rarely can drop to -37 °C (-35 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1029 mm (40.5 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually. Saint-Isidore enjoys an average of 2540 hours of sunshine throughout the year, and daylight varies from 8 hours 30 minutes to 15 hours 52 minutes per day.

Monthly average temperatures in Saint-Isidore, Canada

The warmest months in Saint-Isidore 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 -13 to -9 °C (10 - 17 °F) throughout the day. On average each year, Saint-Isidore experiences 31 days above 25 °C (77.0 °F) and 166 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saint-Isidore. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		8°C
(47°F)		16°C
(60°F)		25°C
(78°F)		30°C
(87°F)		32°C
(89°F)		32°C
(90°F)		31°C
(88°F)		30°C
(86°F)		23°C
(73°F)		20°C
(68°F)		11°C
(53°F)
Mean maximum2°C
(36°F)		4°C
(40°F)		10°C
(49°F)		17°C
(63°F)		27°C
(81°F)		29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		26°C
(79°F)		19°C
(67°F)		10°C
(50°F)		5°C
(42°F)
Average high-8°C
(18°F)		-6°C
(21°F)		-0°C
(32°F)		7°C
(45°F)		16°C
(60°F)		21°C
(70°F)		24°C
(76°F)		23°C
(73°F)		18°C
(65°F)		11°C
(51°F)		1°C
(35°F)		-5°C
(23°F)
Daily mean-13°C
(10°F)		-12°C
(11°F)		-6°C
(22°F)		2°C
(36°F)		10°C
(50°F)		15°C
(60°F)		19°C
(66°F)		18°C
(64°F)		13°C
(56°F)		7°C
(45°F)		-2°C
(29°F)		-9°C
(17°F)
Average low-17°C
(2°F)		-17°C
(2°F)		-11°C
(13°F)		-3°C
(27°F)		4°C
(40°F)		9°C
(49°F)		14°C
(57°F)		13°C
(56°F)		9°C
(49°F)		4°C
(39°F)		-4°C
(24°F)		-12°C
(10°F)
Mean minimum-30°C
(-22°F)		-30°C
(-23°F)		-24°C
(-12°F)		-13°C
(9°F)		-4°C
(25°F)		4°C
(39°F)		7°C
(46°F)		7°C
(45°F)		3°C
(37°F)		-3°C
(26°F)		-15°C
(5°F)		-26°C
(-15°F)
Minimum-37°C
(-35°F)		-33°C
(-27°F)		-29°C
(-19°F)		-20°C
(-4°F)		-6°C
(21°F)		1°C
(33°F)		6°C
(43°F)		5°C
(42°F)		1°C
(34°F)		-10°C
(15°F)		-17°C
(1°F)		-34°C
(-30°F)

Compare climate in Saint-Isidore with other places

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

Monthly average precipitation in Saint-Isidore, Canada

Saint-Isidore usually has the most precipitation in May, September and October, with an average of 13 rainy days and 114 mm (4.5 inches) of precipitation per month. The driest months in Saint-Isidore are January, February and March. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint-Isidore. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)61 (2.4)56 (2.2)85 (3.4)101 (4.0)93 (3.6)95 (3.7)91 (3.6)116 (4.6)125 (4.9)89 (3.5)69 (2.7)
Average precipitation days (≥ 1 mm)10128121212121212151414

Monthly sunshine hours in Saint-Isidore, Canada

The sunniest months in Saint-Isidore are June, July and August, when the sun shines an average of 10 hours 5 minutes a day. Least sunny months in Saint-Isidore: January, November and December receive an average of 3 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint-Isidore. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours96161231230270309330289236163108112
Mean daily daylight hours8h 56m10h 16m11h 56m13h 39m15h 7m15h 52m15h 28m14h 9m12h 30m10h 47m9h 17m8h 30m

Solar UV radiation in Saint-Isidore, Canada

Saint-Isidore 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, February 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 Saint-Isidore UV Index data.

Average daily maximum UV levels by month for Saint-Isidore. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799886532