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Monthly climate in Port-Cartier, Quebec, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Port-Cartier features a subarctic climate (Dfc). Temperatures typically range between -12 °C (12 °F) and 17 °C (63 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1146 mm (45.1 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually. Port-Cartier enjoys an average of 2804 hours of sunshine throughout the year, and daylight varies from 8 hours 8 minutes to 16 hours 16 minutes per day.

Monthly average temperatures in Port-Cartier, Quebec, Canada §

The warmest months in Port-Cartier are June, July and August, with daily mean temperatures ranging from 13 to 17 °C (56 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -12 to -7 °C (12 - 19 °F) throughout the day. On average each year, Port-Cartier experiences 2 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 Port-Cartier, Quebec, 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 6°C
(43°F)		 3°C
(38°F)		 8°C
(47°F)		 12°C
(54°F)		 24°C
(75°F)		 29°C
(84°F)		 27°C
(80°F)		 26°C
(80°F)		 21°C
(71°F)		 17°C
(63°F)		 14°C
(58°F)		 6°C
(43°F)
Mean maximum 2°C
(36°F)		 1°C
(34°F)		 5°C
(40°F)		 9°C
(48°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(77°F)		 24°C
(76°F)		 20°C
(68°F)		 15°C
(60°F)		 9°C
(49°F)		 4°C
(40°F)
Average high -8°C
(18°F)		 -7°C
(19°F)		 -2°C
(28°F)		 3°C
(38°F)		 10°C
(50°F)		 16°C
(61°F)		 20°C
(69°F)		 20°C
(68°F)		 15°C
(59°F)		 9°C
(48°F)		 2°C
(35°F)		 -4°C
(24°F)
Daily mean -12°C
(12°F)		 -11°C
(13°F)		 -6°C
(22°F)		 1°C
(33°F)		 7°C
(44°F)		 13°C
(56°F)		 17°C
(63°F)		 17°C
(63°F)		 12°C
(53°F)		 6°C
(43°F)		 -1°C
(31°F)		 -7°C
(19°F)
Average low -15°C
(5°F)		 -15°C
(6°F)		 -9°C
(16°F)		 -2°C
(28°F)		 3°C
(38°F)		 10°C
(50°F)		 14°C
(57°F)		 14°C
(57°F)		 9°C
(49°F)		 4°C
(39°F)		 -3°C
(27°F)		 -11°C
(13°F)
Mean minimum -24°C
(-12°F)		 -24°C
(-10°F)		 -20°C
(-3°F)		 -10°C
(15°F)		 -3°C
(28°F)		 5°C
(41°F)		 10°C
(50°F)		 9°C
(49°F)		 4°C
(40°F)		 -2°C
(29°F)		 -11°C
(13°F)		 -20°C
(-4°F)
Minimum -28°C
(-18°F)		 -26°C
(-14°F)		 -23°C
(-9°F)		 -14°C
(7°F)		 -5°C
(23°F)		 2°C
(36°F)		 8°C
(47°F)		 9°C
(48°F)		 3°C
(37°F)		 -4°C
(25°F)		 -15°C
(5°F)		 -22°C
(-8°F)

Compare climate in Port-Cartier with other places

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

Monthly average precipitation in Port-Cartier, Quebec, Canada §

Port-Cartier usually has the most precipitation in September, October and November, with an average of 14 rainy days and 128 mm (5.0 inches) of precipitation per month. The driest months in Port-Cartier are January, February and July. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port-Cartier, Quebec, 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) 72 (2.8) 63 (2.5) 78 (3.1) 107 (4.2) 83 (3.3) 75 (2.9) 69 (2.7) 105 (4.1) 145 (5.7) 122 (4.8) 117 (4.6) 109 (4.3)
Average precipitation days (≥ 1 mm) 9 11 10 12 10 11 11 11 15 14 13 14

Monthly sunshine hours in Port-Cartier, Quebec, Canada §

The sunniest months in Port-Cartier are June, July and August, when the sun shines an average of 10 hours 49 minutes a day. Least sunny months in Port-Cartier: January, November and December receive an average of 4 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port-Cartier, Quebec, 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 115 190 232 243 304 326 346 322 234 188 148 150
Mean daily daylight hours 8h 36m 10h 5m 11h 56m 13h 49m 15h 26m 16h 16m 15h 49m 14h 21m 12h 32m 10h 40m 9h 0m 8h 8m

Solar UV radiation in Port-Cartier, Quebec, Canada §

Port-Cartier experiences the highest level of ultraviolet (UV) radiation in April, May and June, when the maximum UV index can reach values of 7 - 9, 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 2. For more detailed information, check out our hourly Port-Cartier UV Index data.

Average daily maximum UV levels by month for Port-Cartier, Quebec, 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 3 4 7 9 9 7 7 6 4 2 1

Detailed Monthly Weather Insights for Port-Cartier, Quebec, Canada

Discover in-depth weather details for every month in Port-Cartier. 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 Port-Cartier'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.