🇺🇸 Saint Louis vs 🇦🇺 Sydney
Weather Comparison
Current Weather Right Now
🇺🇸
Saint Louis

58°F
Clear Sky
Feels like 55°F
H 60°F / L 55°F
Humidity: 40%
🇦🇺
Sydney

57°F
Overcast Clouds
Feels like 57°F
H 58°F / L 54°F
Humidity: 91%
Climate Overview
Saint Louis
St. Louis at the confluence of the Missouri and Mississippi Rivers has one of America's most oppressive summer climates. The rivers converge here creating maximum humidity, and the city sits in a bowl that traps heat. The 2012 heat wave killed many here, and the Gateway Arch's stainless steel surface is so thermally conductive it can be felt at distance on hot days.
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 | 🇺🇸 Saint Louis | 🇦🇺 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 |
Saint Louis vs Sydney: Frequently Asked Questions
Does Saint Louis or Sydney have better weather?
Saint Louis and Sydney have very different climates. St. Louis at the confluence of the Missouri and Mississippi Rivers has one of America's most oppress 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 Saint Louis vs Sydney?
Best time for Saint Louis: spring and fall. Best time for Sydney: September, October, November, March, April.