🇺🇸 San Francisco vs 🇰🇷 Seoul
Weather Comparison
Current Weather Right Now
🇺🇸
San Francisco

63°F
Scattered Clouds
Feels like 62°F
H 66°F / L 59°F
Humidity: 63%
🇰🇷
Seoul

48°F
Overcast Clouds
Feels like 45°F
H 48°F / L 48°F
Humidity: 87%
Climate Overview
San Francisco
San Francisco's climate is shaped by its position on a peninsula surrounded by the Pacific Ocean and San Francisco Bay. The coastal fog (Karl the Fog) rolls in through the Golden Gate each summer afternoon, keeping temperatures mild year-round. The city has dramatically different microclimates — the Sunset District fog-bound while the Mission basks in sun on the same day.
Seoul
Humid continental — hot humid summers, cold dry winters, beautiful spring and fall
Seoul has four distinct seasons. Cherry blossoms in April and autumn foliage in October rival Tokyo's. Summers bring the monsoon (jangma) and intense heat; winters are dry and bitterly cold with clear blue skies.
Seasonal Comparison
| Season | 🇺🇸 San Francisco | 🇰🇷 Seoul |
|---|---|---|
| Spring | — | 43–70°F March–May |
| Summer | — | 72–89°F June–August |
| Fall | — | 50–73°F September–November |
| Winter | — | 19–36°F December–February |
San Francisco vs Seoul: Frequently Asked Questions
Does San Francisco or Seoul have better weather?
San Francisco and Seoul have very different climates. San Francisco's climate is shaped by its position on a peninsula surrounded by the Pacific Ocean and Seoul: Humid continental — hot humid summers, cold dry winters, beautiful spring and fall. The best city depends on your preferred season and temperature range.
When is the best time to visit San Francisco vs Seoul?
Best time for San Francisco: spring and fall. Best time for Seoul: April, May, September, October.