San Francisco weather in December
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
San Francisco December weather at a glance
In December, San Francisco averages 10.7°C, with typical highs of 13.9°C and lows of 8.4°C. The historical average is 11 wet days and 86% humidity.
San Francisco December temperature & humidity
San Francisco December rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in San Francisco in December
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 13.9°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 8.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
Coupang affiliate links · We earn a commission on purchases. Products are sold on the Korean Coupang store.
San Francisco December sunrise & sunset times
2026 December · Local time (America/Los_Angeles)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-12-01 | 07:06 | 16:51 | 9h 45m |
| 2026-12-15 | 07:18 | 16:52 | 9h 34m |
| 2026-12-31 | 07:25 | 17:01 | 9h 36m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
San Francisco travel updates
Watch live CCTV
- San Francisco State campusFogCam · Updated images
Check the camera timestamp at the source.
Today’s weather and forecast
Check temperature, rain and wind in Windy.
Forecast · Windy. Monthly averages are in the Temperature section.
San Francisco news search
Search for recent news and check publication dates before you travel.
San Francisco city map
This map shows the city area, not a specific meeting point.
San Francisco travel essentials
Popular MyRealTrip products · city search, sorted by sales · Product names are in Korean.
Affiliate links · We may earn a commission from purchases. Updated 2026-10-18Explore with Klook
Klook.comAffiliate widget · We may earn a commission on bookings.
San Francisco hotel search · Trip.com
Search hotels by destination, dates and number of guests. The Trip.com widget is in Korean.
Affiliate widget · A qualifying booking may earn us a commission. Trip.com may use cookies in this search widget.
Best months to visit San Francisco
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
December weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is San Francisco weather like in December?
In December, San Francisco averages 10.7°C, with typical highs of 13.9°C and lows of 8.4°C. The historical average is 11 wet days and 86% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in San Francisco in December?
There are about 11 wet days in December. A compact umbrella is still useful.
What should I wear in San Francisco in December?
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. Showers are possible, so a compact umbrella is useful.
What are the best months to visit San Francisco?
Recent weather data rates January, April, May, June among the more comfortable months.
Where can I check San Francisco weather in December in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in San Francisco in December?
On 2026-12-15, calculated sunrise is 07:18 and sunset is 16:52 in local time (America/Los_Angeles). Times vary by date and terrain.
San Francisco weather by month
More Americas destinations in December
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations