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San Francisco Weather in December, USA


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San Francisco Averages December

  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month


  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

  • What is Average Day Temperature?
    The average temperature recorded between sunrise and sunset

    Day Temperature

  • What is Average Night Temperature?
    The average temperature recorded between sunset and sunrise

    Night Temperature

  • What is Average Sea Temperature?
    Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

    Sea Temperature

  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    6 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    10 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years


    112 mm

San Francisco Daily Averages December

December 2024 Daily Averages

1 Avg 13º 55º
2 Avg 12º 54º
3 Avg 12º 54º
4 Avg 12º 54º
5 Avg 12º 54º
6 Avg 12º 54º
7 Avg 13º 55º
8 Avg 11º 52º
9 Avg 12º 54º
10 Avg 13º 55º
11 Avg 12º 54º
12 Avg 11º 52º
13 Avg 10º 50º
14 Avg 10º 50º
15 Avg 10º 50º
16 Avg 11º 52º
17 Avg 11º 52º
18 Avg 10º 50º
19 Avg 10º 50º
20 Avg 10º 50º
21 Avg 12º 54º
22 Avg 12º 54º
23 Avg 11º 52º
24 Avg 10º 50º
25 Avg 10º 50º
26 Avg 10º 50º
27 Avg 46º
28 Avg 48º
29 Avg 10º 50º
30 Avg 48º
31 Avg 48º
Avg Historical Daily Average

December Weather Averages

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Latest San Francisco Holiday Reviews

  • San Francisco

    Cool and breezy. Had to buy a coat but judging by the number of people weraing 'San Francisco' jackets we were not the only ones caught out.


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What's the Weather like in San Francisco in December


December is winter and the rainy season in San Francisco, USA. This time of year brings gradually falling day time temperatures and an average temperature of 100C. The average high and low temperatures vary from a low of 80C to a day time high of 130C. The highest recorded temperature at this time of year was in 1958 when the temperature reached 240C and the lowest recorded was in 1990 when it only got to -20C. For warmer temperatures and less rain, better months to visit are July and August in the summer season.


This is one of the wettest months of the year with average rainfall at 112mm falling over an average of 10 days in the month. Rain is usually light or moderate but heavier downpours are not uncommon so take an umbrella when you go out. Precipitation varies from year to year depending on the El Nio which brings warmer wetter conditions or cooler, dryer La Nia years that bring less rain. The wettest December on record was in 2002 when 271mm of rain fell in the month and the driest month was in 1989 when only 2mm of rain fell.

The topography of San Francisco means there are several micro-climates with the hills located in the middle of the city affecting the rainfall across the area. The hills protect the suburbs to the east from the colder and wetter extremes of the weather, while neighbourhoods to the west experience generally colder and windier conditions. There is rarely snow during this month but occasional snow flurries may be experienced briefly that do not settle.

Sunshine Hours

Daily average hours of sunshine at this time of year is 6 hours a day, and is constant throughout the month. The sunrises at around 7am at the start of December and sunset is at 5pm, which is relatively unchanged towards the end of the month. Cloud cover is 55% to 65% during this month and tends to become slightly cloudier as the month progresses.


Humidity varies from 60% to 90% in this month and tends to get more humid later in the month. Sea temperatures are a chilly 130C so swimming in the bay is only an option for the super brave in this month! Wind speeds are light to moderate at 0 m/s to 6 m/s and tend to decrease later in the month. A 25 day forecast is available for detailed travel planning for the coming weeks.

San Francisco Hotels in December

Hotel Griffon

For visitors looking for nightlife in the city, SoMa is a great place to stay. This neighbourhood has an urban vibe, with plenty of bars, clubs and restaurants to keep you entertained, while museums and shopping is an option during the colder December days. The 3.5* Hotel Griffon is located here and is close to the Financial district and Chinatown, with views of the San Francisco Bay Bridge from many of the rooms. The hotel offers complimentary Wi-Fi, a car service to downtown and an on-site restaurant, as well as a fitness centre.

Hotel Zelos

Another good option for SoMa in December is Hotel Zelos. This 4* hotel is great for those looking for somewhere to base themselves when out for pre-Christmas drinks and parties, as it is located close to many bars and restaurants, Union square shopping district and has a bar/restaurant on the fifth floor that is perfect for a few social drinks and dining. The hotel also has a fitness centre, spa, room service and high speed internet.

Handlery Hotel

For Christmas shoppers, December is a great month for visit the city and stay in Union square, San Francisco's shopping district. The 3.5* Handlery Hotel is ideally located for shopping, and all rooms feature Wi-Fi internet access, mini refrigerators and a safe. Stay in traditional rooms in the Historic section of the hotel, or oversized, luxurious rooms in the Club section. The hotel also has a pool, fitness centre, restaurant and bar for everything visitors need during their stay in the city.

Bars and Restaurants

Boulevard Restaurant

For elegant dining in the SoMa district, try the Boulevard Restaurant. Serving American, French and International dishes, this is the perfect dining option for a romantic meal with a loved one or for a special occasion. A popular restaurant with efficient service and an extensive wine list, this is a good choice for a special meal during the winter months.

Mikkeller Bar

For a night out and a few drinks at Union square, go to Mikkeller Bar. Offering a wide selection of beers with 42 taps and a specialised bottled beer selection from around the world, this is a must-go for beer lovers. The food is up-scale pub food with a stylish décor and great service, this is the place to go after a hard day shopping at Union Square.

Things to do in San Francisco in December

Pier 39

A great activity to keep the kids and adults entertained in December is a trip to Pier 39 to see the sea lions. These beautiful creatures first arrived in the West Marina in 1990 and the population soon grew to around 200 animals. During the winter months the number of sea lions increases to around 900, mostly males while they mostly migrate south to the Channel Islands during the summer.

Union Square Ice Skating Rink

Another great way to spend the day with kids or for active adults, is the Union square ice skating rink. Open during the winter months, this is located in central Union square and gives visitors the opportunity to ice skate in a beautiful setting while enjoying the shopping and entertainment options in the district. For those who don't want to take part, just watching those skating is a relaxing and entertaining way to spend time during the lead up to Christmas.

San Francisco Events December


10 Dec 2024
21 Dec 2024

Union Street Fantasy Of Lights 🎡

2015 will welcomed the 25th annual annual event kicked off at Union street where everyone may join in the celebrations of the holiday season. There will be tons of Lights set in the Victorians which will make Union street a stunning backdrop for Santa and his elves. Featured in this event will also be live entertainment, singers, costumed characters, balloon artists, face painters, jugglers and real ponies dressed as reindeer. The Union Street Fantasy Of Lights Festival always creates a magical atmosphere and with the 25th annual celebrations, 2015 is sure to be a special one.