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Thornton weather in December (Colorado, United States of America)

How does the December weather in Thornton compare to other months? Find all the essential weather information for this month in our guide.

Temperatures

In December, Thornton usually has low temperatures and low snow/rainfall. December is part of winter. The temperature during the day can rise to approximately 7°C. At night, it falls to around -8°C. Since it's the coldest month of the year, you'll want to bundle up with extra layers and winter clothing.

Precipitation

Thornton in December usually receives low snow/rainfall, averaging around 25 mm for the month. On average, there are about 6 days with snow/rain during this month.

Average sunshine

Enjoy a sunny month with about 195 hours of sunshine, providing a cheerful and lively atmosphere.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Thornton. May and September typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Thornton, monthly averages in December

Min TemperatureMin Temperature -8°C  
Max TemperatureMax Temperature 7°C  
Chance of RainChance of Rain 20%  
PrecipitationPrecipitation 25 mm  
Rainy daysRainy days 6 days  
HumidityHumidity 56% *  
WindspeedWindspeed 14 km/h *  
SunshineSunshine 195 hours *  
Percentage SunshinePercentage Sunshine 67% *  
Data from: Denver, the United States of America (15 KM, 9 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.

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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?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. Also, consider bringing a rain jacket as there might be some rain.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
4/10
Walking
4/10
Camping
2/10
Outdoor sports
4/10

Interested in more climate information?

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

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.