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Monthly climate in Petawawa, Ontario, Canada

Last updated: March 2, 2024

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, Ontario, 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, Ontario, Canada. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 8°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 maximum 3°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, Ontario, Canada with other places around the world.

Monthly average precipitation in Petawawa, Ontario, 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, Ontario, Canada. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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) 9 12 10 12 13 12 11 13 10 12 15 11

Monthly sunshine hours in Petawawa, Ontario, 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, Ontario, Canada. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 104 163 234 226 279 311 349 309 261 185 134 118
Mean daily daylight hours 9h 6m 10h 22m 11h 57m 13h 34m 14h 57m 15h 39m 15h 16m 14h 2m 12h 28m 10h 51m 9h 26m 8h 42m

Solar UV radiation in Petawawa, Ontario, 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, Ontario, Canada. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 5 7 9 9 9 8 7 5 3 2

Detailed Monthly Weather Insights for Petawawa, Ontario, Canada

Discover in-depth weather details for every month in Petawawa. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Petawawa's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.