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Get the monthly weather forecast for San Francisco, CA, including daily high/low, historical averages, to help you plan ahead.
In December, you can expect about 9.5 hours of daylight for exploring the city. Average High Temperature: 57 F (14 C) Average Low Temperature: 45 F (7 C) Water Temperature: 54.5 F (12.5 C) Rain: 3.1 in (7.9 cm)
Dec 22, 1990 · San Francisco weather in December is cool and breezy with some light rain. The city is beautiful this time of year as it's lit up for the holiday season. It's also warmer than most of the US and other places in the Northern Hemisphere.
December Weather in San Francisco California, United States. Daily high temperatures decrease by 4°F, from 60°F to 56°F, rarely falling below 51°F or exceeding 64°F. Daily low temperatures decrease by 4°F, from 49°F to 45°F, rarely falling below 39°F or exceeding 55°F.
Overall, December has the rainiest and cloudiest weather in San Francisco, California. But total rainfall for the month varies widely from year to year. This page gives detailed information on the typical December temperature, precipitation, sun, humidity, wind and storms for San Francisco.
Check accurate weather in December in San Francisco (CA). Expect San Francisco December temperature around 14°C (57°F). Read clothing tips & recommended activities.
December Overview. High temperature: 58°F (14°C) Low temperature: 47°F (8°C) Hours daylight/sun: 5 hours. Water temperature: 55°F (13°C) December in San Francisco tends to be sporadic and can at times feel mild with highs of 58°F (14°C).
