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

How does the December weather in Boulder compare to other months? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

Typically, December in Boulder includes low temperatures and moderate snow/rainfall. The month of December belongs to the winter season. During the day, temperatures can climb to about 7°C. At night, they may fall to a cooler -7°C. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.

Precipitation

Boulder in December usually receives moderate snow/rainfall, averaging around 32 mm for the month. Looking at the last 30 years, the data shows about 7 days with snow/rain.

Average sunshine

The city usually sees around 195 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 Boulder. May, June, August and September typically offer the best circumstances. While December tends to showcase less optimal conditions.

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

 

Boulder, monthly averages in December

Min Temperature -7°C  

Max Temperature 7°C  

Chance of Rain 23%  

Precipitation 32 mm  

Rainy days 7 days  

Humidity 56% *  

Sunshine 195 hours *  

Percentage Sunshine 67% *  

Data from: Denver, the United States of America (45 KM, 28 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?

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 Boulder.

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.