Rialto weather in January (California, United States of America)

Will it be rainy or sunny in Rialto this January? Find all the essential weather information for this month in our guide.

Temperatures

Expect perfect weather in Rialto during January, which means pleasant temperatures and moderate rainfall. The month of January belongs to the winter season. During the day, temperatures can climb to about 20°C. At night, they may fall to a cooler 7°C.

Precipitation

Rialto in January usually receives moderate rainfall, averaging around 48 mm for the month. Analyzing past climate data, one can expect approximately 5 days of rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 198 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

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

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

 

Rialto, monthly averages in January

Min Temperature 7°C  

Max Temperature 20°C  

Chance of Rain 17%  

Precipitation 48 mm  

Rainy days 5 days  

Sunshine 198 hours *  

Percentage Sunshine *  

Data from: Corona, the United States of America (31 KM, 19 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 Rialto, 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 Rialto.

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.