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Monthly climate in Bonnyville, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bonnyville features a humid continental climate (Dfb). Temperatures typically range between -15 °C (5 °F) and 18 °C (64 °F) through the year, but rarely can drop to -41 °C (-42 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 523 mm (20.6 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually. Bonnyville enjoys an average of 2886 hours of sunshine throughout the year, and daylight varies from 7 hours 24 minutes to 17 hours 5 minutes per day.

Monthly average temperatures in Bonnyville, Canada

The warmest months in Bonnyville are June, July and August, with daily mean temperatures ranging from 15 to 18 °C (60 - 64 °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 - 12 °F) throughout the day. On average each year, Bonnyville experiences 18 days above 25 °C (77.0 °F) and 187 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bonnyville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(44°F)		9°C
(49°F)		12°C
(55°F)		26°C
(79°F)		31°C
(89°F)		35°C
(95°F)		35°C
(96°F)		31°C
(89°F)		28°C
(82°F)		20°C
(69°F)		13°C
(55°F)		7°C
(44°F)
Mean maximum5°C
(41°F)		5°C
(41°F)		8°C
(47°F)		19°C
(66°F)		26°C
(79°F)		27°C
(80°F)		30°C
(87°F)		29°C
(84°F)		24°C
(75°F)		19°C
(66°F)		8°C
(47°F)		5°C
(41°F)
Average high-9°C
(17°F)		-10°C
(14°F)		-1°C
(31°F)		7°C
(45°F)		17°C
(63°F)		20°C
(69°F)		23°C
(73°F)		21°C
(70°F)		15°C
(60°F)		7°C
(45°F)		-3°C
(27°F)		-7°C
(19°F)
Daily mean-13°C
(9°F)		-15°C
(5°F)		-6°C
(22°F)		2°C
(35°F)		11°C
(52°F)		15°C
(60°F)		18°C
(64°F)		16°C
(61°F)		10°C
(50°F)		2°C
(36°F)		-6°C
(21°F)		-11°C
(12°F)
Average low-17°C
(1°F)		-20°C
(-3°F)		-11°C
(13°F)		-4°C
(25°F)		4°C
(40°F)		10°C
(51°F)		12°C
(54°F)		10°C
(51°F)		5°C
(41°F)		-2°C
(29°F)		-10°C
(14°F)		-15°C
(5°F)
Mean minimum-36°C
(-32°F)		-34°C
(-29°F)		-26°C
(-14°F)		-15°C
(6°F)		-4°C
(26°F)		4°C
(40°F)		8°C
(46°F)		5°C
(41°F)		-2°C
(28°F)		-9°C
(16°F)		-22°C
(-7°F)		-30°C
(-22°F)
Minimum-39°C
(-38°F)		-41°C
(-42°F)		-30°C
(-22°F)		-25°C
(-14°F)		-8°C
(17°F)		3°C
(37°F)		6°C
(44°F)		3°C
(38°F)		-4°C
(24°F)		-13°C
(8°F)		-24°C
(-11°F)		-40°C
(-40°F)

Compare climate in Bonnyville with other places

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

Monthly average precipitation in Bonnyville, Canada

Bonnyville usually has the most precipitation in June, July and August, with an average of 12 rainy days and 90 mm (3.6 inches) of precipitation per month. The driest months in Bonnyville are January, February and December. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bonnyville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)19 (0.7)16 (0.6)24 (1.0)34 (1.3)44 (1.7)112 (4.4)104 (4.1)55 (2.2)40 (1.6)28 (1.1)29 (1.2)18 (0.7)
Average precipitation days (≥ 1 mm)437671314107675

Monthly sunshine hours in Bonnyville, Canada

The sunniest months in Bonnyville are May, June and July, when the sun shines an average of 11 hours 15 minutes a day. Least sunny months in Bonnyville: January, November and December receive an average of 4 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bonnyville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours104181242288340334361331228191135146
Mean daily daylight hours7h 59m9h 46m11h 55m14h 7m16h 4m17h 5m16h 31m14h 45m12h 37m10h 26m8h 27m7h 24m

Solar UV radiation in Bonnyville, Canada

Bonnyville experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / 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 1. For more detailed information, check out our hourly Bonnyville UV Index data.

Average daily maximum UV levels by month for Bonnyville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578876311