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Monthly climate in Roberval, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Roberval features a humid continental climate (Dfb). Temperatures typically range between -13 °C (9 °F) and 20 °C (68 °F) through the year, but rarely can drop to -32 °C (-26 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 1116 mm (43.9 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually. Roberval enjoys an average of 2658 hours of sunshine throughout the year, and daylight varies from 8 hours 21 minutes to 16 hours 2 minutes per day.

Monthly average temperatures in Roberval, Canada

The warmest months in Roberval are June, July and August, with daily mean temperatures ranging from 16 to 20 °C (60 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -13 to -9 °C (9 - 15 °F) throughout the day. On average each year, Roberval experiences 24 days above 25 °C (77.0 °F) and 162 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Roberval. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		5°C
(41°F)		14°C
(57°F)		17°C
(63°F)		31°C
(87°F)		33°C
(91°F)		32°C
(91°F)		30°C
(86°F)		29°C
(84°F)		21°C
(70°F)		18°C
(64°F)		8°C
(47°F)
Mean maximum2°C
(35°F)		3°C
(38°F)		8°C
(46°F)		13°C
(56°F)		25°C
(77°F)		27°C
(81°F)		30°C
(87°F)		28°C
(83°F)		25°C
(77°F)		17°C
(63°F)		10°C
(50°F)		5°C
(42°F)
Average high-9°C
(15°F)		-8°C
(19°F)		-2°C
(29°F)		5°C
(42°F)		14°C
(57°F)		20°C
(68°F)		24°C
(76°F)		23°C
(74°F)		17°C
(64°F)		10°C
(51°F)		1°C
(35°F)		-6°C
(21°F)
Daily mean-13°C
(9°F)		-12°C
(11°F)		-6°C
(21°F)		1°C
(34°F)		9°C
(48°F)		16°C
(60°F)		20°C
(68°F)		19°C
(66°F)		14°C
(57°F)		7°C
(45°F)		-1°C
(30°F)		-9°C
(15°F)
Average low-17°C
(2°F)		-16°C
(3°F)		-11°C
(13°F)		-3°C
(28°F)		4°C
(39°F)		11°C
(52°F)		15°C
(60°F)		15°C
(59°F)		10°C
(51°F)		4°C
(40°F)		-4°C
(25°F)		-13°C
(9°F)
Mean minimum-29°C
(-20°F)		-27°C
(-16°F)		-23°C
(-10°F)		-12°C
(12°F)		-3°C
(26°F)		5°C
(41°F)		10°C
(50°F)		10°C
(50°F)		4°C
(40°F)		-2°C
(28°F)		-13°C
(10°F)		-24°C
(-11°F)
Minimum-32°C
(-26°F)		-29°C
(-21°F)		-26°C
(-15°F)		-17°C
(2°F)		-6°C
(21°F)		2°C
(35°F)		8°C
(46°F)		9°C
(48°F)		1°C
(34°F)		-7°C
(19°F)		-16°C
(3°F)		-27°C
(-16°F)

Compare climate in Roberval with other places

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

Monthly average precipitation in Roberval, Canada

Roberval usually has the most precipitation in July, September and October, with an average of 13 rainy days and 118 mm (4.6 inches) of precipitation per month. The driest months in Roberval 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 Roberval. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)61 (2.4)59 (2.3)78 (3.1)96 (3.8)101 (4.0)83 (3.3)112 (4.4)109 (4.3)124 (4.9)118 (4.6)95 (3.7)80 (3.1)
Average precipitation days (≥ 1 mm)101011131312141414131311

Monthly sunshine hours in Roberval, Canada

The sunniest months in Roberval are June, July and August, when the sun shines an average of 10 hours 36 minutes a day. Least sunny months in Roberval: January, November and December receive an average of 3 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Roberval. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours103176217229299314352308238171117128
Mean daily daylight hours8h 48m10h 12m11h 56m13h 43m15h 15m16h 2m15h 36m14h 14m12h 31m10h 44m9h 10m8h 21m

Solar UV radiation in Roberval, Canada

Roberval 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 Roberval UV Index data.

Average daily maximum UV levels by month for Roberval. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789886421