🇺🇸 Great Falls vs 🇦🇺 Sydney

Weather Comparison

Current Weather Right Now

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Great Falls

clear sky

47°F

Clear Sky

Feels like 45°F

H 47°F / L 44°F

Humidity: 58%

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Sydney

overcast clouds

57°F

Overcast Clouds

Feels like 57°F

H 58°F / L 54°F

Humidity: 91%

Climate Overview

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Great Falls

Great Falls on the Missouri River is Montana's windiest city, exposed to the open Hi-Line plains. Chinook winds from the Rocky Mountains can raise temperatures 50°F in hours, setting world records for rapid temperature rises. The city experienced a 103°F rise in 24 hours in 1972 — the largest temperature change ever recorded.

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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🇺🇸 Great Falls🇦🇺 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

Great Falls vs Sydney: Frequently Asked Questions

Does Great Falls or Sydney have better weather?

Great Falls and Sydney have very different climates. Great Falls on the Missouri River is Montana's windiest city, exposed to the open Hi-Line plains. Ch 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 Great Falls vs Sydney?

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

More Comparisons

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