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Seattle vs Vancouver: climate compared

Seattle, Washington and Vancouver, British Columbia, both measured the same way — 1991–2020 climate normals — so the numbers can be compared directly. This page compares the climate records only; neither city is scored against anyone’s preferences here.

The main differences

  • Seattle’s warmest month is 2.2°F (1.2°C) warmer than Vancouver’s (75.6°F (24.2°C) against 73.4°F (23°C) average highs).
  • Vancouver has about 21 more wet days a year than Seattle (150 against 130).
  • Summers are more humid in Vancouver: its most humid month peaks at a dew point of 57°F (14°C) (noticeably humid), against 54°F (12°C) in Seattle.

At a glance

MeasureSeattleVancouver
Warmest-month high76°F (24°C)73°F (23°C)
Coldest-month high46°F (8°C)44°F (7°C)
Coldest-month low36°F (2°C)36°F (2°C)
Gap between warmest and coldest month29.3°F (16.3°C)29.7°F (16.5°C)
Most humid month (dew point)54°F (12°C)comfortable57°F (14°C)noticeably humid
Rain a year37.4 in (951 mm)67.1 in (1704 mm)
Wet days a year130150
Sunshine, hours a day5.25.1
Snow a year8 in (20.4 cm)53.4 in (135.6 cm)
Days above 90°F (32°C)10
Freezing nights a year2721

Temperature through the year

Average daily highs and lows by month, on one shared scale.

Month by month

MonthSeattle high / lowVancouver high / lowSeattle wet daysVancouver wet days
January47°F (8°C) / 37°F (3°C)44°F (7°C) / 36°F (2°C)1618
February49°F (10°C) / 37°F (3°C)47°F (8°C) / 37°F (3°C)1314
March53°F (12°C) / 39°F (4°C)50°F (10°C) / 39°F (4°C)1517
April58°F (14°C) / 42°F (6°C)55°F (13°C) / 43°F (6°C)1214
May65°F (18°C) / 48°F (9°C)63°F (17°C) / 49°F (10°C)910
June70°F (21°C) / 52°F (11°C)67°F (20°C) / 54°F (12°C)79
July75°F (24°C) / 56°F (13°C)73°F (23°C) / 58°F (15°C)35
August76°F (24°C) / 56°F (13°C)73°F (23°C) / 58°F (14°C)45
September70°F (21°C) / 52°F (11°C)67°F (19°C) / 53°F (12°C)68
October60°F (15°C) / 45°F (7°C)57°F (14°C) / 45°F (7°C)1315
November51°F (11°C) / 40°F (4°C)49°F (9°C) / 40°F (5°C)1619
December46°F (8°C) / 36°F (2°C)45°F (7°C) / 37°F (3°C)1618

Averages for a typical year, not a forecast for any particular one. Methodology

Which would suit you?

Score both against your own preferences, or read each city’s full record.

Seattle vs Vancouver climate: weather compared month by month