Diamond Bar weather in January (California, United States of America)

How is the weather in Diamond Bar in January? Here's what the weather might have in store during this month.

In Diamond Bar the weather in January is generally perfect, with pleasant temperatures and moderate rainfall. January is a winter month. Throughout the day, temperatures typically settle at around 21°C. But by evening, they drop to around 7°C.

Diamond Bar in January usually receives moderate rainfall, averaging around 55 mm for the month. Rain is expected on roughly 6 days.

With around 198 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you favor pleasant temperatures and minimal rainfall, January is one of the better months to visit Diamond Bar. 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 Diamond Bar climate page with graphs.

 

Diamond Bar, monthly averages in January

Min Temperature 7°C  

Max Temperature 21°C  

Chance of Rain 20%  

Precipitation 55 mm  

Rainy days 6 days  

Sunshine 198 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (28 KM, 17 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 Diamond Bar in January?

For visitors traveling to Diamond Bar, 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.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Diamond Bar.

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.