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

What weather conditions can you expect in San Bernardino this January? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

Expect perfect weather in San Bernardino during January, which means pleasant temperatures and moderate rainfall. Enjoy the winter season during this month. During the day, temperatures can climb to about 20°C. At night, they may fall to a cooler 6°C.

Precipitation

San Bernardino in January usually receives moderate rainfall, averaging around 45 mm for the month. Rain is expected on roughly 5 days.

Average sunshine

Expect a lot of sunshine this month, with about 198 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

If you're inclined towards comfortable temperatures and drier conditions, January is a prime time to visit San Bernardino. January, February, March, April, May, June, October and November typically offer the best circumstances. While July and August tend to showcase less optimal conditions.

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

 

San Bernardino, monthly averages in January

Min TemperatureMin Temperature 6°C  
Max TemperatureMax Temperature 20°C  
Chance of RainChance of Rain 16%  
PrecipitationPrecipitation 45 mm  
Rainy daysRainy days 5 days  
SunshineSunshine 198 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Corona, the United States of America (36 KM, 22 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.

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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 Bernardino, 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.

Swimming
6/10
Cycling
10/10
Walking
10/10
Barbeque
7/10
Camping
5/10
Outdoor sports
10/10

Interested in more climate information?

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

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.