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San Francisco has a Mediterranean climate, cool and mild throughout the year, characterized by dry summers and wet winters. San Francisco’s climate is influenced by the presence of the Pacific Ocean, which surrounds the city on three sides, the cold currents of the ocean causing a mild climate throughout the year, a moderation of temperatures that have little seasonal variation, and the characteristics fogs. During the summer and early autumn, is formed, especially from the afternoon, along the coast, a blanket of fog that covers the city, it brings humidity and low temperatures.
The summers are mild and dry, with average maximum temperatures of 23 ° C in September, the warmest month. The average minimum temperatures in summer are quite low, they vary between 13 ° C and 11 ° C. In winter the average minimum temperatures reach 5 ° C in January, while the average maximum temperature reach 13 ° C.
The rains, rather scarce, are concentrated in the winter months between November and March, the months between May and September are very dry, in San Francisco there are average annual rainfall of 600 mm. The snow is a rare event, usually does not snow for decades, the average is a snowfall every 15/20 years.
WHEN TO GO TO SAN FRANCISCO
The city of San Francisco can be visited throughout the year but the best time to visit are the months from May to September, especially good are April, May, September and October, sometimes in the middle months of the summer fog covers the city.
THE CLIMATE OF SAN FRANCISCO: CLIMATE TABLES
|SAN FRANCISCO (39 meters)|
|Month||Average low (°C)||Average high (°C)||Precip. (mm)||Precip. days|
|Month||Sea Water Temperature °C|