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Monthly climate in Petawawa, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Petawawa features a humid continental climate (Dfb). Temperatures typically range between -10 °C (14 °F) and 21 °C (70 °F) through the year, but rarely can drop to -31 °C (-24 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 1104 mm (43.4 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Petawawa enjoys an average of 2678 hours of sunshine throughout the year, and daylight varies from 8 hours 42 minutes to 15 hours 39 minutes per day.

Monthly average temperatures in Petawawa, Canada

The warmest months in Petawawa are June, July and August, with daily mean temperatures ranging from 17 to 21 °C (63 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -7 °C (14 - 20 °F) throughout the day. On average each year, Petawawa experiences 39 days above 25 °C (77.0 °F) and 150 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Petawawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		9°C
(48°F)		16°C
(62°F)		24°C
(75°F)		31°C
(89°F)		33°C
(91°F)		34°C
(93°F)		31°C
(88°F)		29°C
(85°F)		24°C
(76°F)		20°C
(68°F)		13°C
(55°F)
Mean maximum3°C
(38°F)		6°C
(43°F)		10°C
(50°F)		18°C
(65°F)		27°C
(81°F)		30°C
(86°F)		31°C
(88°F)		29°C
(85°F)		26°C
(80°F)		22°C
(71°F)		13°C
(55°F)		7°C
(45°F)
Average high-6°C
(22°F)		-4°C
(25°F)		1°C
(34°F)		8°C
(47°F)		17°C
(62°F)		22°C
(72°F)		26°C
(79°F)		24°C
(76°F)		20°C
(68°F)		12°C
(55°F)		3°C
(38°F)		-3°C
(27°F)
Daily mean-10°C
(14°F)		-9°C
(17°F)		-4°C
(25°F)		4°C
(39°F)		11°C
(53°F)		17°C
(63°F)		21°C
(70°F)		19°C
(67°F)		15°C
(59°F)		8°C
(47°F)		-0°C
(32°F)		-7°C
(20°F)
Average low-14°C
(7°F)		-13°C
(8°F)		-8°C
(17°F)		-1°C
(31°F)		6°C
(44°F)		12°C
(54°F)		16°C
(61°F)		15°C
(59°F)		10°C
(51°F)		5°C
(41°F)		-4°C
(26°F)		-10°C
(14°F)
Mean minimum-27°C
(-16°F)		-26°C
(-14°F)		-21°C
(-6°F)		-9°C
(17°F)		-1°C
(30°F)		7°C
(45°F)		12°C
(53°F)		9°C
(49°F)		4°C
(40°F)		-2°C
(29°F)		-14°C
(8°F)		-23°C
(-9°F)
Minimum-31°C
(-24°F)		-30°C
(-21°F)		-25°C
(-13°F)		-16°C
(4°F)		-3°C
(26°F)		3°C
(38°F)		11°C
(51°F)		8°C
(47°F)		1°C
(35°F)		-7°C
(20°F)		-21°C
(-6°F)		-31°C
(-23°F)

Compare climate in Petawawa with other places

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

Monthly average precipitation in Petawawa, Canada

Petawawa usually has the most precipitation in May, August and October, with an average of 12 rainy days and 108 mm (4.2 inches) of precipitation per month. The driest months in Petawawa are January, February and March. On average, 70 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Petawawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)63 (2.5)74 (2.9)71 (2.8)105 (4.1)111 (4.4)102 (4.0)103 (4.0)106 (4.2)97 (3.8)106 (4.2)86 (3.4)80 (3.1)
Average precipitation days (≥ 1 mm)91210121312111310121511

Monthly sunshine hours in Petawawa, Canada

The sunniest months in Petawawa are June, July and August, when the sun shines an average of 10 hours 32 minutes a day. Least sunny months in Petawawa: January, November and December receive an average of 3 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Petawawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours104163234226279311349309261185134118
Mean daily daylight hours9h 6m10h 22m11h 57m13h 34m14h 57m15h 39m15h 16m14h 2m12h 28m10h 51m9h 26m8h 42m

Solar UV radiation in Petawawa, Canada

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

Average daily maximum UV levels by month for Petawawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)245799987532