🇺🇸 San Francisco vs 🇰🇷 Seoul

Weather Comparison

Current Weather Right Now

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San Francisco

scattered clouds

63°F

Scattered Clouds

Feels like 62°F

H 66°F / L 59°F

Humidity: 63%

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Seoul

overcast clouds

48°F

Overcast Clouds

Feels like 45°F

H 48°F / L 48°F

Humidity: 87%

Climate Overview

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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.

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Seoul

Humid continental — hot humid summers, cold dry winters, beautiful spring and fall

Best monthsApril, May, September, October
AvoidJuly, August (monsoon), December, January (bitter cold)
Annual rain57 inches (1,450 mm)

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.

More Comparisons

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