San Carlos weather in December (California, United States of America)

What weather conditions can you expect in San Carlos this December? Get all the weather information you need to plan your visit.

Temperatures

In December, San Carlos usually has moderate temperatures and moderate rainfall. December is typically considered a winter month. Expect the temperatures during the day to hover around 15°C. At night, they will likely drop to about 5°C. With moderate temperatures, December stands out as the chilliest month of the year.

Precipitation

San Carlos in December usually receives moderate rainfall, averaging around 97 mm for the month. It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Historically, the month has about 12 days of rain.

Average sunshine

The month brings about 160 hours of sunlight, offering a comfortable mix of sun and shade.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit San Carlos. May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

San Carlos, monthly averages in December

Min Temperature 5°C  

Max Temperature 15°C  

Water Temperature 13°C *  

Chance of Rain 40%  

Precipitation 97 mm  

Rainy days 12 days  

Humidity 78% *  

Windspeed 11 km/h *  

Sunshine 160 hours *  

Percentage Sunshine 54% *  

Data from: San Francisco, the United States of America (16 KM, 10 Miles).

Where to go in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 13°C there is no need to bring your swimwear.

What To Do

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. 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.