From the author of the map:
Victoria is famously much more temperate than other cities in Canada. And is by far the warmest capital city in winter of any province.
Surprisingly very few nearby cities in Washington are as warm as Victoria. Only Port Townsend has a low above 3ºC.
Another surprising fact is that cities near the Gulf of Mexico are colder than Victoria. Like Jasper TX with a low of 1.9ºC only 84 miles from the Gulf.
Or Wiggins, MS at 34 miles from the Gulf with a low of 2.3ºC.
Also Waycross GA 43 miles from Florida has a low of 2.6ºC.
Why is Victoria so much warmer than the rest of Canada?
Victoria is noticeably warmer than most of Canada because of a rare combination of ocean influence, geography, and atmospheric patterns that work together in its favour.
Warm ocean influence
Victoria sits right on the Pacific Ocean, which moderates temperatures year-round.
The North Pacific Current carries relatively mild water from lower latitudes toward the coast, keeping winters much warmer than inland Canada.
Result: Fewer temperature extreme, cooler summers and much milder winters.
Prevailing westerly winds
Most weather systems move west → east across the Pacific. By the time they reach Victoria, they’ve been softened by the ocean, reducing cold Arctic air intrusions that affect the rest of the country.
Rain shadow effect
Victoria lies in the rain shadow of both:
- Olympic Mountains (to the south)
- Vancouver Island mountains (to the west)
These mountains block cold, wet air and storms, making Victoria drier and sunnier than nearby coastal areas like Vancouver.
Far from Arctic air masses
Unlike most of Canada, Victoria is:
- Far from the interior plains
- Shielded from direct Arctic airflow by mountains
Result: Snow is rare, and winter temperatures often stay above freezing.
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