Prince Rupert weather by month & the best time to visit
Canada · seaside town · oceanic / maritime climate

Prince Rupert is short on reliable sunshine. Its best month is August (Score 44/100) — for stronger sun, try one of the nearby alternatives.
When is the best time to visit Prince Rupert?
Prince Rupert never gets truly sunny weather: August is as good as it gets at 44/100, and January is the low point (0/100). If sunshine is the point of the trip, the nearby alternatives do better.
How sunny is Prince Rupert?
Prince Rupert isn't a sunny place by world standards: about 1,341 hours of sunshine a year. August (44/100) is noticeably better than January (0). It ranks #240 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 2,242 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 4° / 39°F | 2° / 36°F | 251 mm | 0 | 8° / 46°F |
| February | 0 | 4° / 39°F | 1° / 34°F | 163 mm | 1 | 7° / 45°F |
| March | 0 | 6° / 43°F | 2° / 36°F | 186 mm | 1 | 7° / 45°F |
| April | 5 | 9° / 48°F | 5° / 41°F | 153 mm | 3 | 8° / 46°F |
| May | 22 | 12° / 54°F | 8° / 46°F | 116 mm | 4 | 9° / 48°F |
| June | 38 | 15° / 59°F | 10° / 50°F | 117 mm | 4 | 11° / 52°F |
| July | 42 | 16° / 61°F | 13° / 55°F | 124 mm | 4 | 13° / 55°F |
| August | 44 | 17° / 63°F | 13° / 55°F | 160 mm | 4 | 13° / 55°F |
| September | 34 | 15° / 59°F | 11° / 52°F | 211 mm | 2 | 12° / 54°F |
| October | 15 | 11° / 52°F | 7° / 45°F | 270 mm | 1 | 10° / 50°F |
| November | 0 | 7° / 45°F | 4° / 39°F | 255 mm | 0 | 9° / 48°F |
| December | 0 | 4° / 39°F | 2° / 36°F | 236 mm | 0 | 8° / 46°F |
Sea temperature in Prince Rupert by month
The sea off Prince Rupert is warmest in July at around 13°C / 55°F, and coolest in February at 7°C / 45°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Prince Rupert: questions and answers
What kind of destination is Prince Rupert?
Prince Rupert is a seaside town in Canada with a oceanic / maritime climate — the sea reaches 13°C at its warmest.
How many hours of sunshine does Prince Rupert get a year?
Prince Rupert gets about 1,341 hours of sunshine a year, at its best around August.
When is the best time to visit Prince Rupert?
Prince Rupert is short on reliable sunshine — its best month is only August at 44/100. For a sunnier trip, see the nearest strong-sun alternatives listed on the page.
What is the least sunny month in Prince Rupert?
January is the least sunny month in Prince Rupert, scoring 0/100 with about 251 mm of rain.
What is the sea temperature in Prince Rupert?
The sea in Prince Rupert ranges from about 7°C (February) to 13°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Prince Rupert?
The typical midday UV index in Prince Rupert peaks around 4 (moderate) in May, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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