San Dimas weather in December (California, United States of America)

Thinking of visiting San Dimas in December? Check the weather first! Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

In December, San Dimas usually has pleasant temperatures and moderate rainfall. December is part of winter. During the daylight hours, temperatures often reach 19°C. After dark they usually decrease to around 6°C. While temperatures are the coolest of this year this month, they remain pleasant and warm for outdoor activities.

Precipitation

San Dimas in December usually receives moderate rainfall, averaging around 93 mm for the month. Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Delving into the climate records from the past 30 years, one can predict that nearly 9 days of the month will see rainfall.

Average sunshine

The city usually sees around 205 hours of sunlight, indicating many sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit San Dimas. 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 Dimas climate page with graphs.

 

San Dimas, monthly averages in December

Min Temperature 6°C  

Max Temperature 19°C  

Chance of Rain 30%  

Precipitation 93 mm  

Rainy days 9 days  

Sunshine 205 hours *  

Percentage Sunshine *  

Data from: Corona, the United States of America (33 KM, 21 Miles).

Where to go in the United States of America in December

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 San Dimas, 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.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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.