Costa Mesa weather in January (California, United States of America)

What is the weather forecast for Costa Mesa in January? Check out this detailed guide to the month’s weather conditions.

Temperatures

The weather in Costa Mesa during January is usually perfect, offering pleasant temperatures and moderate rainfall. During the day, temperatures usually reach up to 20°C. At night, they tend to fall to approximately 9°C.

Precipitation

Costa Mesa in January usually receives moderate rainfall, averaging around 39 mm for the month. Looking at the last 30 years, the data shows about 5 days with rain.

Average sunshine

Enjoy a sunny month with about 198 hours of sunshine, providing a cheerful and lively atmosphere.

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

 

Costa Mesa, monthly averages in January

Min Temperature 9°C  

Max Temperature 20°C  

Chance of Rain 17%  

Precipitation 39 mm  

Rainy days 5 days  

Sunshine 198 hours *  

Percentage Sunshine *  

Data from: Corona, the United States of America (39 KM, 24 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 Costa Mesa, 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

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 Costa Mesa.

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.