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Monthly climate in Bonaventure, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bonaventure features a humid continental climate (Dfb). Temperatures typically range between -10 °C (15 °F) and 19 °C (66 °F) through the year, but rarely can drop to -25 °C (-14 °F) or can rise to as high as 30 °C (85 °F). The average annual precipitation amounts to about 1371 mm (54.0 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually. Bonaventure enjoys an average of 2900 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 58 minutes per day.

Monthly average temperatures in Bonaventure, Canada

The warmest months in Bonaventure are June, July and August, with daily mean temperatures ranging from 14 to 19 °C (58 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -6 °C (15 - 21 °F) throughout the day. On average each year, Bonaventure experiences 6 days above 25 °C (77.0 °F) and 165 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bonaventure. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(49°F)		6°C
(43°F)		12°C
(53°F)		13°C
(56°F)		29°C
(84°F)		30°C
(85°F)		29°C
(85°F)		28°C
(82°F)		24°C
(76°F)		21°C
(70°F)		16°C
(62°F)		11°C
(52°F)
Mean maximum3°C
(38°F)		3°C
(38°F)		7°C
(44°F)		10°C
(51°F)		21°C
(70°F)		24°C
(75°F)		27°C
(82°F)		27°C
(80°F)		22°C
(73°F)		18°C
(64°F)		13°C
(56°F)		8°C
(46°F)
Average high-6°C
(21°F)		-6°C
(22°F)		-2°C
(29°F)		4°C
(39°F)		10°C
(51°F)		17°C
(63°F)		21°C
(71°F)		22°C
(71°F)		17°C
(63°F)		11°C
(52°F)		2°C
(37°F)		-3°C
(27°F)
Daily mean-10°C
(15°F)		-9°C
(15°F)		-5°C
(23°F)		1°C
(33°F)		7°C
(44°F)		14°C
(58°F)		18°C
(65°F)		19°C
(66°F)		14°C
(58°F)		8°C
(47°F)		-0°C
(32°F)		-6°C
(21°F)
Average low-13°C
(9°F)		-13°C
(9°F)		-8°C
(17°F)		-2°C
(28°F)		3°C
(38°F)		11°C
(52°F)		16°C
(60°F)		16°C
(61°F)		11°C
(53°F)		6°C
(43°F)		-3°C
(27°F)		-9°C
(15°F)
Mean minimum-21°C
(-5°F)		-21°C
(-5°F)		-17°C
(2°F)		-8°C
(17°F)		-2°C
(28°F)		6°C
(44°F)		12°C
(53°F)		12°C
(54°F)		6°C
(44°F)		0°C
(33°F)		-10°C
(14°F)		-17°C
(2°F)
Minimum-25°C
(-14°F)		-22°C
(-8°F)		-20°C
(-4°F)		-11°C
(12°F)		-4°C
(25°F)		4°C
(39°F)		10°C
(50°F)		11°C
(52°F)		4°C
(40°F)		-3°C
(27°F)		-13°C
(9°F)		-20°C
(-3°F)

Compare climate in Bonaventure with other places

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

Monthly average precipitation in Bonaventure, Canada

Bonaventure usually has the most precipitation in April, September and November, with an average of 12 rainy days and 153 mm (6.0 inches) of precipitation per month. The driest months in Bonaventure are February, July and August. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bonaventure. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)98 (3.9)88 (3.5)94 (3.7)140 (5.5)107 (4.2)95 (3.7)82 (3.2)76 (3.0)159 (6.2)139 (5.5)160 (6.3)135 (5.3)
Average precipitation days (≥ 1 mm)91110141111101012131211

Monthly sunshine hours in Bonaventure, Canada

The sunniest months in Bonaventure are June, July and August, when the sun shines an average of 11 hours 10 minutes a day. Least sunny months in Bonaventure: January, November and December receive an average of 4 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bonaventure. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours120191233244303332352343255206163153
Mean daily daylight hours8h 51m10h 14m11h 56m13h 41m15h 12m15h 58m15h 32m14h 11m12h 30m10h 46m9h 13m8h 25m

Solar UV radiation in Bonaventure, Canada

Bonaventure 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 Bonaventure UV Index data.

Average daily maximum UV levels by month for Bonaventure. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234789886421