San Marcos weather in January (California, United States of America)

What weather conditions can you expect in San Marcos this January? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

The weather in San Marcos is usually perfect in January, characterized by pleasant temperatures and moderate rainfall. January is typically considered a winter month. The daytime often sees temperatures reaching 20°C, but nighttime brings a cool-down to 7°C.

Precipitation

San Marcos in January usually receives moderate rainfall, averaging around 51 mm for the month. Historically, the month has about 6 days of rain.

Average sunshine

Enjoy a sunny month with about 240 hours of sunshine, providing a cheerful and lively atmosphere.

If you're a fan of comfortable temperatures and drier conditions, January is a great time to visit. January, February, March, April, May, June, July, August, September, October and November generally stand out with the best circumstances. While December tends to showcase less optimal conditions.

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

 

San Marcos, monthly averages in January

Min Temperature 7°C  

Max Temperature 20°C  

Chance of Rain 19%  

Precipitation 51 mm  

Rainy days 6 days  

Humidity 64% *  

Sunshine 240 hours *  

Percentage Sunshine 75% *  

Data from: San Diego, the United States of America (47 KM, 29 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

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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?

For visitors traveling to San Marcos, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling

10/10

Walking

10/10

Barbeque

9/10

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 San Marcos.

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.