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Monthly climate in Prince Rupert, British Columbia, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Prince Rupert features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 14 °C (57 °F) through the year, but rarely can drop to -24 °C (-10 °F) or can rise to as high as 27 °C (81 °F). The average annual precipitation amounts to about 3049 mm (120.0 inches) and receives 220 rainy days on the 1 mm (0.04 inches) threshold annually. Prince Rupert enjoys an average of 2088 hours of sunshine throughout the year, and daylight varies from 7 hours 23 minutes to 17 hours 6 minutes per day.

Monthly average temperatures in Prince Rupert, British Columbia, Canada §

The warmest months in Prince Rupert are July, August and September, with daily mean temperatures ranging from 12 to 14 °C (54 - 57 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 2 °C (34 - 36 °F) throughout the day. On average each year, Prince Rupert experiences 0 days above 25 °C (77.0 °F) and 58 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Prince Rupert, British Columbia, 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 9°C
(49°F)		 11°C
(51°F)		 19°C
(67°F)		 18°C
(65°F)		 25°C
(76°F)		 27°C
(81°F)		 24°C
(76°F)		 24°C
(75°F)		 25°C
(78°F)		 19°C
(66°F)		 12°C
(54°F)		 12°C
(54°F)
Mean maximum 9°C
(48°F)		 8°C
(48°F)		 12°C
(54°F)		 16°C
(60°F)		 19°C
(67°F)		 20°C
(69°F)		 22°C
(72°F)		 22°C
(72°F)		 19°C
(67°F)		 16°C
(61°F)		 11°C
(52°F)		 10°C
(50°F)
Average high 4°C
(39°F)		 4°C
(39°F)		 6°C
(44°F)		 9°C
(49°F)		 12°C
(55°F)		 14°C
(58°F)		 16°C
(62°F)		 16°C
(62°F)		 15°C
(59°F)		 10°C
(51°F)		 7°C
(45°F)		 4°C
(39°F)
Daily mean 2°C
(35°F)		 1°C
(34°F)		 3°C
(38°F)		 6°C
(43°F)		 9°C
(49°F)		 12°C
(53°F)		 14°C
(57°F)		 14°C
(57°F)		 12°C
(54°F)		 8°C
(46°F)		 5°C
(42°F)		 2°C
(36°F)
Average low -1°C
(31°F)		 -2°C
(29°F)		 0°C
(33°F)		 3°C
(37°F)		 7°C
(44°F)		 9°C
(49°F)		 11°C
(52°F)		 12°C
(53°F)		 10°C
(50°F)		 5°C
(42°F)		 3°C
(38°F)		 -0°C
(32°F)
Mean minimum -12°C
(11°F)		 -12°C
(10°F)		 -7°C
(19°F)		 -3°C
(28°F)		 3°C
(38°F)		 6°C
(43°F)		 9°C
(48°F)		 8°C
(47°F)		 6°C
(43°F)		 1°C
(33°F)		 -2°C
(30°F)		 -9°C
(16°F)
Minimum -24°C
(-10°F)		 -14°C
(7°F)		 -11°C
(13°F)		 -6°C
(21°F)		 2°C
(37°F)		 5°C
(41°F)		 8°C
(46°F)		 7°C
(45°F)		 3°C
(39°F)		 -1°C
(30°F)		 -2°C
(28°F)		 -21°C
(-5°F)

Compare climate in Prince Rupert with other places

Compare temperature, precipitation, sunshine, UV index in Prince Rupert, British Columbia, Canada with other places around the world.

Monthly average precipitation in Prince Rupert, British Columbia, Canada §

Prince Rupert usually has the most precipitation in October, November and December, with an average of 20 rainy days and 366 mm (14.4 inches) of precipitation per month. The driest months in Prince Rupert are May, June and July. On average, 145 mm (5.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Prince Rupert, British Columbia, 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) 285 (11.2) 240 (9.4) 277 (10.9) 215 (8.4) 131 (5.2) 171 (6.7) 134 (5.3) 243 (9.6) 256 (10.1) 339 (13.3) 446 (17.5) 314 (12.4)
Average precipitation days (≥ 1 mm) 19 16 19 17 15 20 16 18 18 20 22 20

Monthly sunshine hours in Prince Rupert, British Columbia, Canada §

The sunniest months in Prince Rupert are May, June and July, when the sun shines an average of 8 hours 27 minutes a day. Least sunny months in Prince Rupert: January, November and December receive an average of 2 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Prince Rupert, British Columbia, 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 56 127 178 227 259 242 276 237 186 146 76 74
Mean daily daylight hours 7h 59m 9h 46m 11h 55m 14h 7m 16h 4m 17h 6m 16h 31m 14h 45m 12h 37m 10h 25m 8h 27m 7h 23m

Solar UV radiation in Prince Rupert, British Columbia, Canada §

Prince Rupert experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 7 - 8, 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 1. For more detailed information, check out our hourly Prince Rupert UV Index data.

Average daily maximum UV levels by month for Prince Rupert, British Columbia, 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) 1 2 3 5 7 7 8 7 5 3 1 1

Detailed Monthly Weather Insights for Prince Rupert, British Columbia, Canada

Discover in-depth weather details for every month in Prince Rupert. 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 Prince Rupert'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.