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Monthly climate in Grunthal, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Grunthal features a humid continental climate (Dfb). Temperatures typically range between -15 °C (5 °F) and 21 °C (70 °F) through the year, but rarely can drop to -40 °C (-40 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 551 mm (21.7 inches) and receives 91 rainy days on the 1 mm (0.04 inches) threshold annually. Grunthal enjoys an average of 3003 hours of sunshine throughout the year, and daylight varies from 8 hours 13 minutes to 16 hours 10 minutes per day.

Monthly average temperatures in Grunthal, Canada

The warmest months in Grunthal are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -15 to -11 °C (5 - 13 °F) throughout the day. On average each year, Grunthal experiences 50 days above 25 °C (77.0 °F) and 173 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grunthal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(41°F)		7°C
(44°F)		20°C
(68°F)		23°C
(73°F)		30°C
(87°F)		37°C
(99°F)		33°C
(92°F)		35°C
(96°F)		32°C
(91°F)		28°C
(83°F)		19°C
(67°F)		5°C
(42°F)
Mean maximum2°C
(36°F)		2°C
(36°F)		11°C
(53°F)		19°C
(66°F)		27°C
(82°F)		31°C
(88°F)		32°C
(90°F)		32°C
(90°F)		30°C
(86°F)		23°C
(73°F)		10°C
(50°F)		4°C
(39°F)
Average high-10°C
(15°F)		-10°C
(14°F)		0°C
(32°F)		8°C
(46°F)		18°C
(64°F)		24°C
(76°F)		26°C
(80°F)		25°C
(77°F)		19°C
(66°F)		9°C
(49°F)		-1°C
(31°F)		-7°C
(20°F)
Daily mean-14°C
(7°F)		-15°C
(5°F)		-5°C
(23°F)		2°C
(37°F)		12°C
(54°F)		19°C
(66°F)		21°C
(70°F)		19°C
(66°F)		14°C
(57°F)		5°C
(41°F)		-5°C
(24°F)		-11°C
(13°F)
Average low-19°C
(-1°F)		-20°C
(-5°F)		-10°C
(15°F)		-3°C
(27°F)		6°C
(43°F)		13°C
(56°F)		15°C
(60°F)		13°C
(56°F)		9°C
(48°F)		1°C
(35°F)		-9°C
(16°F)		-15°C
(5°F)
Mean minimum-36°C
(-32°F)		-33°C
(-27°F)		-26°C
(-14°F)		-14°C
(7°F)		-3°C
(26°F)		6°C
(42°F)		8°C
(47°F)		6°C
(44°F)		0°C
(33°F)		-7°C
(19°F)		-20°C
(-4°F)		-29°C
(-20°F)
Minimum-40°C
(-40°F)		-39°C
(-39°F)		-30°C
(-22°F)		-19°C
(-2°F)		-6°C
(22°F)		2°C
(36°F)		6°C
(44°F)		4°C
(40°F)		-3°C
(27°F)		-9°C
(16°F)		-25°C
(-12°F)		-34°C
(-28°F)

Compare climate in Grunthal with other places

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

Monthly average precipitation in Grunthal, Canada

Grunthal usually has the most precipitation in June, July and September, with an average of 9 rainy days and 80 mm (3.2 inches) of precipitation per month. The driest months in Grunthal are January, February and March. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grunthal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)18 (0.7)19 (0.7)30 (1.2)39 (1.5)70 (2.8)81 (3.2)61 (2.4)90 (3.5)70 (2.8)29 (1.2)27 (1.1)
Average precipitation days (≥ 1 mm)56558989111087

Monthly sunshine hours in Grunthal, Canada

The sunniest months in Grunthal are June, July and August, when the sun shines an average of 11 hours 32 minutes a day. Least sunny months in Grunthal: January, November and December receive an average of 4 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grunthal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours136203250279315351380330248192153160
Mean daily daylight hours8h 41m10h 8m11h 56m13h 47m15h 22m16h 10m15h 43m14h 18m12h 31m10h 42m9h 4m8h 13m

Solar UV radiation in Grunthal, Canada

Grunthal 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 Grunthal UV Index data.

Average daily maximum UV levels by month for Grunthal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)245789887421