🇺🇸 Seattle vs 🇦🇺 Sydney

Weather Comparison

Current Weather Right Now

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Seattle

overcast clouds

43°F

Overcast Clouds

Feels like 38°F

H 44°F / L 41°F

Humidity: 89%

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Sydney

clear sky

66°F

Clear Sky

Feels like 66°F

H 67°F / L 62°F

Humidity: 90%

Climate Overview

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Seattle

Seattle's climate is defined by the Puget Sound, the Olympic Mountains to the west, and the Cascades to the east. The rain shadow effect of the Olympics makes Seattle significantly drier than the Washington coast. Summers are glorious (July averages less rainfall than Miami); winters are grey and drizzly but rarely brutal.

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Sydney

Humid subtropical — warm summers, mild winters, year-round sunshine

Best monthsSeptember, October, November, March, April
AvoidJanuary, February (heat waves), July (coolest and grey)
Annual rain48 inches (1,217 mm)

Sydney enjoys one of the world's best climates. Summers are warm with beach weather; winters are mild enough for outdoor activities. The city is split between coastal suburbs (cooled by sea breezes) and inland western suburbs (dramatically hotter in summer).

Seasonal Comparison

Season🇺🇸 Seattle🇦🇺 Sydney
Spring

60–73°F

September–November

Summer

72–82°F

December–February

Fall

62–75°F

March–May

Winter

50–63°F

June–August

Seattle vs Sydney: Frequently Asked Questions

Does Seattle or Sydney have better weather?

Seattle and Sydney have very different climates. Seattle's climate is defined by the Puget Sound, the Olympic Mountains to the west, and the Cascades Sydney: Humid subtropical — warm summers, mild winters, year-round sunshine. The best city depends on your preferred season and temperature range.

When is the best time to visit Seattle vs Sydney?

Best time for Seattle: spring and fall. Best time for Sydney: September, October, November, March, April.

More Comparisons

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