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Monthly climate in Port Hawkesbury, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Port Hawkesbury features a humid continental climate (Dfb). Temperatures typically range between -3 °C (26 °F) and 19 °C (67 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 25 °C (76 °F). The average annual precipitation amounts to about 1485 mm (58.5 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually. Port Hawkesbury enjoys an average of 2688 hours of sunshine throughout the year, and daylight varies from 8 hours 44 minutes to 15 hours 37 minutes per day.

Monthly average temperatures in Port Hawkesbury, Canada

The warmest months in Port Hawkesbury are July, August and September, with daily mean temperatures ranging from 16 to 19 °C (62 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -3 to -1 °C (26 - 30 °F) throughout the day. On average each year, Port Hawkesbury experiences 0 days above 25 °C (77.0 °F) and 113 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Hawkesbury. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(54°F)		9°C
(49°F)		10°C
(51°F)		13°C
(55°F)		17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		25°C
(76°F)		24°C
(75°F)		20°C
(68°F)		17°C
(63°F)		13°C
(56°F)
Mean maximum9°C
(48°F)		7°C
(45°F)		7°C
(46°F)		11°C
(51°F)		15°C
(60°F)		18°C
(65°F)		23°C
(73°F)		24°C
(76°F)		23°C
(73°F)		18°C
(65°F)		16°C
(61°F)		12°C
(53°F)
Average high0°C
(33°F)		-0°C
(32°F)		1°C
(35°F)		5°C
(42°F)		9°C
(49°F)		14°C
(58°F)		19°C
(66°F)		21°C
(71°F)		18°C
(65°F)		13°C
(56°F)		8°C
(48°F)		3°C
(37°F)
Daily mean-3°C
(28°F)		-3°C
(26°F)		-1°C
(30°F)		3°C
(38°F)		7°C
(45°F)		12°C
(54°F)		17°C
(63°F)		19°C
(67°F)		16°C
(62°F)		11°C
(52°F)		6°C
(43°F)		0°C
(33°F)
Average low-5°C
(22°F)		-6°C
(21°F)		-4°C
(26°F)		1°C
(34°F)		5°C
(41°F)		10°C
(50°F)		15°C
(59°F)		17°C
(64°F)		14°C
(58°F)		9°C
(48°F)		3°C
(38°F)		-2°C
(28°F)
Mean minimum-14°C
(8°F)		-14°C
(7°F)		-12°C
(11°F)		-3°C
(27°F)		1°C
(35°F)		5°C
(42°F)		11°C
(53°F)		14°C
(58°F)		9°C
(49°F)		4°C
(39°F)		-3°C
(27°F)		-10°C
(14°F)
Minimum-16°C
(3°F)		-16°C
(4°F)		-17°C
(2°F)		-4°C
(25°F)		-0°C
(32°F)		3°C
(38°F)		11°C
(52°F)		13°C
(56°F)		8°C
(46°F)		1°C
(35°F)		-9°C
(16°F)		-16°C
(4°F)

Compare climate in Port Hawkesbury with other places

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

Monthly average precipitation in Port Hawkesbury, Canada

Port Hawkesbury usually has the most precipitation in April, November and December, with an average of 14 rainy days and 155 mm (6.1 inches) of precipitation per month. The driest months in Port Hawkesbury are July, August and September. On average, 96 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Hawkesbury. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)113 (4.4)134 (5.3)113 (4.4)152 (6.0)117 (4.6)119 (4.7)101 (4.0)85 (3.3)104 (4.1)136 (5.4)175 (6.9)136 (5.4)
Average precipitation days (≥ 1 mm)111212141413131011121515

Monthly sunshine hours in Port Hawkesbury, Canada

The sunniest months in Port Hawkesbury are June, July and August, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in Port Hawkesbury: January, November and December receive an average of 3 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Hawkesbury. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours95163231231284294310334263210146122
Mean daily daylight hours9h 8m10h 23m11h 57m13h 33m14h 55m15h 37m15h 14m14h 1m12h 28m10h 52m9h 28m8h 44m

Solar UV radiation in Port Hawkesbury, Canada

Port Hawkesbury experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 10, 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 Port Hawkesbury UV Index data.

Average daily maximum UV levels by month for Port Hawkesbury. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2457910987532