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

Curious about the December weather in Longmont? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In December, Longmont generally has low temperatures and low snow/rainfall. December is a winter month. Throughout the day, temperatures typically settle at around 6°C. But by evening, they drop to around -10°C. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

Longmont in December usually receives low snow/rainfall, averaging around 23 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 5 days of the month will see snow/rainfall.

With around 195 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Longmont. May, June, August and September generally stand out with 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 Longmont climate page with graphs.

 

Longmont, monthly averages in December

Min TemperatureMin Temperature -10°C  
Max TemperatureMax Temperature 6°C  
Chance of RainChance of Rain 17%  
PrecipitationPrecipitation 23 mm  
Rainy daysRainy days 5 days  
HumidityHumidity 56% *  
SunshineSunshine 195 hours *  
Percentage SunshinePercentage Sunshine 67% *  
* Data from: Denver, the United States of America (50 KM, 31 Miles).

Where to go in the United States of America in December

Find out more about the weather in the United States of America in December and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
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 Longmont in December?

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 in December.

Swimming
5/10
Cycling
3/10
Walking
3/10
Camping
2/10
Outdoor sports
3/10

Interested in more climate information?

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

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.