🇹🇷 Istanbul vs 🇺🇸 San Francisco

Weather Comparison

Current Weather Right Now

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Istanbul

clear sky

55°F

Clear Sky

Feels like 52°F

H 55°F / L 53°F

Humidity: 51%

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San Francisco

few clouds

77°F

Few Clouds

Feels like 76°F

H 82°F / L 72°F

Humidity: 44%

Climate Overview

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Istanbul

Mediterranean-influenced humid subtropical — warm summers, cool wet winters

Best monthsApril, May, September, October
AvoidDecember, January (cold and rainy), July, August (peak crowds and heat)
Annual rain29 inches (744 mm)

Istanbul straddles two continents with a climate to match. The Bosphorus creates a persistent wind corridor that moderates summer heat. Winters are cold and rainy with occasional snow. Spring and fall are exceptional.

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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.

Seasonal Comparison

Season🇹🇷 Istanbul🇺🇸 San Francisco
Spring

46–68°F

March–May

Summer

72–86°F

June–August

Fall

57–77°F

September–November

Winter

38–48°F

December–February

Istanbul vs San Francisco: Frequently Asked Questions

Does Istanbul or San Francisco have better weather?

Istanbul and San Francisco have very different climates. Mediterranean-influenced humid subtropical — warm summers, cool wet winters San Francisco: San Francisco's climate is shaped by its position on a peninsula surrounded by the Pacific Ocean and. The best city depends on your preferred season and temperature range.

When is the best time to visit Istanbul vs San Francisco?

Best time for Istanbul: April, May, September, October. Best time for San Francisco: spring and fall.

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