ClimateForecastDecemberJanuary >>

San Francisco weather in December (Riviera Nayarit, Mexico)

Will it be warm or cold in San Francisco this December? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

The weather in San Francisco is usually perfect in December, characterized by high temperatures and low rainfall. You can expect daytime temperatures to reach around 27°C, while the nights will see a decline to about 22°C.

Precipitation

San Francisco in December usually receives low rainfall, averaging around 27 mm for the month. Looking at the last 30 years, the data shows about 2 days with rain.

If you favor pleasant temperatures and minimal rainfall, December is one of the better months to visit San Francisco. January, February, March, April, May, November and December typically offer the most agreeable circumstances. On the other hand, August and September tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized San Francisco climate page with graphs.

 

San Francisco, monthly averages in December

Min TemperatureMin Temperature 22°C  
Max TemperatureMax Temperature 27°C  
Chance of RainChance of Rain 6%  
PrecipitationPrecipitation 27 mm  
Rainy daysRainy days 2 days  
HumidityHumidity 68% *  
Data from: Puerto Vallarta, Mexico (37 KM, 23 Miles).

Where to go in Mexico in December

Find out more about the weather in Mexico and which places have the best travel conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
8/10
Walking
8/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Francisco.

Our site offers climate and forecast data for every country in the world. Are you going to Mexico? On this website you can find historical weather averages for many cities in Mexico. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.