The city is renowned for a number of its unique characteristics like its chilly summer fog, steep rolling hills and eclectic mix of Victorian and modern architecture.

FORBES: San Francisco

Even during the height of summer, a cool breeze and misty fog often roll in over the pristine oceanside cliffs, offering a respite from the smothering desert heat that blankets the city farther inland.

BBC: The hidden treasures of seaside San Pedro

Remember the fog that lingered over Beijing during the 2008 Summer Olympics?

FORBES: Magazine Article