Home > The Americas > USA > San Francisco > January Averages
Weather Averages for San Francisco in January
Averages for San Francisco in JanuaryJanuary is the rainy season in San Francisco. There may be winter storms at which times monthly rainfall can all come on the same day.
After the rain though, there can be exceptionally clear skies.
While Californians may find the weather during this time to be cold though, this is not necessarily true of everyone else.
The average daily temperature in San Francisco in January is 10.6°C, with highs of 13°C and an average minimum temperature of 7°C.
When packing, make sure you include a waterproof coat or jacket, layers, light gloves and a warm jacket as opposed to a heavy winter coat.
The average amount of rainfall expected in January in San Francisco is 119 mm over 11 days.
Expect 7 hours of sunshine per day during this month.
The temperature of the sea at this time will be roughly 12°C on average.
There is always plenty to see and do in San Francisco as the city is known for enjoying partying.
As well as New Years day in San Francisco, there are other festivities and events to enjoy during the month of January.
One of these is the Sports and Boat Show held at the Cow Palace venue. The event attracts thousands of people from all over.