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

Curious about the January weather in San Ysidro? This guide provides all the details you need.

In San Ysidro, January is characterized by pleasant temperatures and moderate rainfall. Anticipate daytime temperatures around 20°C, while night temperatures can drop to 8°C.

San Ysidro in January usually receives moderate rainfall, averaging around 36 mm for the month. Rain is expected on roughly 5 days.

The days are predominantly sunny, with an estimated total of around 219 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

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

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

 

San Ysidro, monthly averages in January

Min Temperature 8°C  

Max Temperature 20°C  

Chance of Rain 17%  

Precipitation 36 mm  

Rainy days 5 days  

Humidity 70% *  

Sunshine 219 hours *  

Percentage Sunshine 68% *  

* Data from: Tijuana, Mexico (2 KM, 1 Miles).

Where to go in the United States of America in January

Find out more about the weather in the United States of America in January and which places have the best weather 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 San Ysidro in January?

For visitors traveling to San Ysidro, 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 in January.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

5/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in San Ysidro.

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 climate conditions. Find out where to go with our weather planner.