Foster City weather in January (California, United States of America)

Curious about the climate in Foster City this January? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

Typically, January in Foster City includes moderate temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 15°C. But by evening, they drop to around 6°C.

Precipitation

Foster City in January usually receives moderate rainfall, averaging around 61 mm for the month. Historically, the month has about 9 days of rain.

Average sunshine

With about 186 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Foster City. May, June, July, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Foster City, monthly averages in January

Min Temperature 6°C  

Max Temperature 15°C  

Water Temperature 12°C *  

Chance of Rain 30%  

Precipitation 61 mm  

Rainy days 9 days  

Humidity 80% *  

Windspeed 11 km/h *  

Sunshine 186 hours *  

Percentage Sunshine 61% *  

Data from: San Francisco, the United States of America (11 KM, 7 Miles).

Where to go in the United States of America in January

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 12°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

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Foster City.

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.