Running in San Francisco: A Seasonal Guide
San Francisco's mediterranean climate shapes the running experience across all four seasons. The mild climate makes year-round running possible, though each season has its own character.
Peak season (September and October): Expect the best combination of temperature, daylight, and dry conditions. These months reward runners who plan their weekly mileage around the weather.
Off-season strategy: Even the off-season stays runnable. Watch for rain windows rather than temperature extremes. Short weather breaks often open up ideal conditions.
Local runners know that summer fog keeps temperatures cool. Also worth noting: indian summer in sept-oct is warmest time.
Best Months to Run
September, October, May, June offer the most comfortable running conditions in San Francisco. During these months, you'll find mild temperatures and manageable weather patterns perfect for outdoor running.
Seasonal Running Temperatures
Low: 46°F
High: 57°F
Low: 49°F
High: 62°F
Low: 54°F
High: 67°F
Low: 53°F
High: 69°F
Running Weather Tips for San Francisco
Microclimates mean huge variation across the city
Summer fog keeps temperatures cool
Indian summer in Sept-Oct is warmest time
Hills provide challenging but rewarding runs
Popular Running Routes in San Francisco
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Running in Mediterranean climates with dry summers, mild winters, and ideal conditions.
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