🇺🇸 Idaho Falls vs 🇦🇺 Sydney
Weather Comparison
Current Weather Right Now
🇺🇸
Idaho Falls

58°F
Scattered Clouds
Feels like 55°F
H 58°F / L 55°F
Humidity: 40%
🇦🇺
Sydney

59°F
Scattered Clouds
Feels like 58°F
H 59°F / L 58°F
Humidity: 91%
Climate Overview
Idaho Falls
Idaho Falls in eastern Idaho along the Snake River sits at 4,710 feet elevation with a true continental climate. Winters are significantly colder than Boise with temperatures regularly dropping below 0°F and substantial snowfall. The Snake River creates a riparian corridor through the city, and the city is in the Pacific Northwest volcanic zone with Craters of the Moon nearby.
Sydney
Humid subtropical — warm summers, mild winters, year-round sunshine
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 | 🇺🇸 Idaho 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 |
Idaho Falls vs Sydney: Frequently Asked Questions
Does Idaho Falls or Sydney have better weather?
Idaho Falls and Sydney have very different climates. Idaho Falls in eastern Idaho along the Snake River sits at 4,710 feet elevation with a true continen 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 Idaho Falls vs Sydney?
Best time for Idaho Falls: spring and fall. Best time for Sydney: September, October, November, March, April.