San Francisco: December Weather AveragesDaily averages for December
|Sunshine Hours||6 hrs|
|Chance of Sunny Day||28 %|
|Rainfall days||10 days|
|Chance of Rain||40 %|
|Chance of Cloudy Day||38 %|
|Chance of Windy Day||17 %|
Daily averages for December
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Averages for San Francisco in DecemberDecember is winter in San Francisco, which means colder weather and a lot more rain, as this is rain season in San Francisco.
Bear in mind that when Californians say the weather is cold, this may not be the opinion of people who are not from the sunshine state.
The average daily temperature is 10.9°C, reaching highs of 13°C and dropping to lows of 8°C on average throughout the month.
When packing for a holiday in San Francisco in December, layers of clothing will be the key to keeping warm and comfortable throughout the month. Light gloves and a warm but not too heavy coat will also be important.
Make sure you don't forget the umbrella though!
The average amount of rainfall expected throughout December in San Francisco is for 112 mm over 10 days. There are on average 6 hours of sunshine expected per day in San Francisco throughout December.
With an average sea temperature of 13°C, December may not be the best month for you to go for a swim in the sea if that is what you want to do.
San Francisco is famed for its flamboyant and extravagant night life, with parades, festivities, events and festivals held throughout the year, and December is no exception.
The San Francisco ballet holds a rendition of The Nutcracker every December at the War Memorial Opera House.
Christmas Day in San Francisco means that Christmassy festivities are held throughout the city.
As with most places across the world, New Years Eve is a time of mass celebration in the city. Festivities take place across the day and the night in San Francisco, culminating with a fantastic firework display.