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Monthly climate in Corunna, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Corunna features a humid continental climate (Dfb). Temperatures typically range between -3 °C (27 °F) and 23 °C (73 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 925 mm (36.4 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually. Corunna enjoys an average of 2845 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 17 minutes per day.

Monthly average temperatures in Corunna, Canada

The warmest months in Corunna are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (68 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 0 °C (27 - 33 °F) throughout the day. On average each year, Corunna experiences 53 days above 25 °C (77.0 °F) and 101 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Corunna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		15°C
(59°F)		19°C
(67°F)		25°C
(77°F)		29°C
(85°F)		31°C
(89°F)		34°C
(93°F)		31°C
(89°F)		33°C
(91°F)		27°C
(81°F)		21°C
(71°F)		16°C
(61°F)
Mean maximum8°C
(46°F)		11°C
(52°F)		16°C
(62°F)		21°C
(71°F)		28°C
(84°F)		30°C
(87°F)		32°C
(89°F)		30°C
(87°F)		30°C
(86°F)		25°C
(78°F)		16°C
(61°F)		12°C
(54°F)
Average high-0°C
(32°F)		1°C
(34°F)		5°C
(42°F)		11°C
(52°F)		18°C
(64°F)		24°C
(75°F)		26°C
(80°F)		26°C
(78°F)		22°C
(72°F)		16°C
(61°F)		7°C
(45°F)		3°C
(37°F)
Daily mean-3°C
(27°F)		-3°C
(28°F)		1°C
(35°F)		7°C
(45°F)		13°C
(57°F)		20°C
(68°F)		23°C
(73°F)		22°C
(72°F)		18°C
(65°F)		12°C
(54°F)		4°C
(40°F)		0°C
(33°F)
Average low-6°C
(22°F)		-6°C
(22°F)		-2°C
(28°F)		3°C
(38°F)		9°C
(49°F)		16°C
(60°F)		19°C
(66°F)		18°C
(65°F)		14°C
(58°F)		9°C
(49°F)		2°C
(35°F)		-2°C
(29°F)
Mean minimum-16°C
(4°F)		-16°C
(3°F)		-10°C
(14°F)		-2°C
(28°F)		2°C
(36°F)		11°C
(52°F)		14°C
(58°F)		13°C
(56°F)		8°C
(47°F)		2°C
(36°F)		-6°C
(22°F)		-10°C
(15°F)
Minimum-23°C
(-10°F)		-24°C
(-11°F)		-14°C
(6°F)		-5°C
(24°F)		-1°C
(31°F)		8°C
(47°F)		13°C
(55°F)		12°C
(54°F)		5°C
(40°F)		0°C
(32°F)		-10°C
(14°F)		-18°C
(0°F)

Compare climate in Corunna with other places

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

Monthly average precipitation in Corunna, Canada

Corunna usually has the most precipitation in April, May and October, with an average of 13 rainy days and 99 mm (3.9 inches) of precipitation per month. The driest months in Corunna are January, March and December. On average, 59 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Corunna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)60 (2.4)66 (2.6)63 (2.5)95 (3.7)97 (3.8)86 (3.4)73 (2.9)79 (3.1)73 (2.9)106 (4.2)72 (2.8)55 (2.2)
Average precipitation days (≥ 1 mm)81010141311111110141010

Monthly sunshine hours in Corunna, Canada

The sunniest months in Corunna are June, July and August, when the sun shines an average of 11 hours 10 minutes a day. Least sunny months in Corunna: January, February and December receive an average of 4 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Corunna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours104155236246293341353332287214157122
Mean daily daylight hours9h 24m10h 32m11h 57m13h 25m14h 40m15h 17m14h 57m13h 50m12h 26m10h 58m9h 42m9h 3m

Solar UV radiation in Corunna, Canada

Corunna experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, 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 Corunna UV Index data.

Average daily maximum UV levels by month for Corunna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2458910997532