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Monthly climate in Cobourg, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cobourg features a humid continental climate (Dfb). Temperatures typically range between -5 °C (24 °F) and 22 °C (72 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 31 °C (87 °F). The average annual precipitation amounts to about 999 mm (39.3 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Cobourg enjoys an average of 2828 hours of sunshine throughout the year, and daylight varies from 8 hours 56 minutes to 15 hours 24 minutes per day.

Monthly average temperatures in Cobourg, Canada

The warmest months in Cobourg are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (64 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -1 °C (24 - 31 °F) throughout the day. On average each year, Cobourg experiences 36 days above 25 °C (77.0 °F) and 108 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cobourg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		12°C
(54°F)		13°C
(56°F)		19°C
(66°F)		26°C
(78°F)		28°C
(83°F)		31°C
(87°F)		29°C
(85°F)		29°C
(85°F)		24°C
(76°F)		18°C
(65°F)		14°C
(57°F)
Mean maximum7°C
(45°F)		8°C
(47°F)		11°C
(53°F)		15°C
(60°F)		23°C
(74°F)		27°C
(80°F)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		22°C
(73°F)		15°C
(59°F)		10°C
(50°F)
Average high-1°C
(30°F)		-0°C
(31°F)		3°C
(38°F)		9°C
(48°F)		15°C
(60°F)		21°C
(71°F)		26°C
(78°F)		25°C
(77°F)		21°C
(71°F)		14°C
(58°F)		7°C
(45°F)		2°C
(36°F)
Daily mean-5°C
(24°F)		-4°C
(25°F)		-1°C
(31°F)		5°C
(42°F)		12°C
(53°F)		18°C
(64°F)		22°C
(72°F)		22°C
(71°F)		18°C
(64°F)		11°C
(53°F)		4°C
(40°F)		-1°C
(31°F)
Average low-8°C
(18°F)		-8°C
(18°F)		-4°C
(25°F)		2°C
(36°F)		8°C
(47°F)		14°C
(58°F)		19°C
(66°F)		18°C
(65°F)		14°C
(58°F)		8°C
(47°F)		1°C
(35°F)		-3°C
(27°F)
Mean minimum-21°C
(-6°F)		-18°C
(-1°F)		-16°C
(3°F)		-3°C
(26°F)		2°C
(35°F)		9°C
(49°F)		15°C
(59°F)		13°C
(56°F)		8°C
(47°F)		2°C
(35°F)		-9°C
(15°F)		-13°C
(8°F)
Minimum-27°C
(-17°F)		-22°C
(-7°F)		-21°C
(-6°F)		-6°C
(21°F)		-1°C
(30°F)		7°C
(45°F)		14°C
(58°F)		12°C
(53°F)		5°C
(42°F)		-1°C
(31°F)		-13°C
(8°F)		-23°C
(-8°F)

Compare climate in Cobourg with other places

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

Monthly average precipitation in Cobourg, Canada

Cobourg usually has the most precipitation in April, August and October, with an average of 13 rainy days and 103 mm (4.1 inches) of precipitation per month. The driest months in Cobourg are January, February and March. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cobourg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)67 (2.6)71 (2.8)60 (2.4)109 (4.3)89 (3.5)77 (3.0)85 (3.3)94 (3.7)74 (2.9)105 (4.1)87 (3.4)79 (3.1)
Average precipitation days (≥ 1 mm)10121013121112128141212

Monthly sunshine hours in Cobourg, Canada

The sunniest months in Cobourg are June, July and August, when the sun shines an average of 11 hours 5 minutes a day. Least sunny months in Cobourg: January, November and December receive an average of 4 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cobourg. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours119155231232288331346341302201152123
Mean daily daylight hours9h 18m10h 29m11h 57m13h 28m14h 45m15h 24m15h 3m13h 54m12h 27m10h 56m9h 37m8h 56m

Solar UV radiation in Cobourg, Canada

Cobourg 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 Cobourg UV Index data.

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