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Great Falls weather in December (Montana, United States of America)

What can you expect from the weather in Great Falls during December? This guide provides all the details you need.

In December, Great Falls typically experiences very low temperatures and low snow/rainfall. December is a winter month. Anticipate daytime temperatures around 2°C, while night temperatures can drop to -9°C. On average, it is the coldest month of the year. So be prepared and make sure to pack winter cloths.

Great Falls in December usually receives low snow/rainfall, averaging around 18 mm for the month. Based on our climate data of the past 30 years, about 7 days of snow/rain are anticipated.

The area enjoys a balanced 108 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Great Falls. June, July, August 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 Great Falls climate page with graphs.

 

Great Falls, monthly averages in December

Min TemperatureMin Temperature -9°C  
Max TemperatureMax Temperature 2°C  
Chance of RainChance of Rain 25%  
PrecipitationPrecipitation 18 mm  
Rainy daysRainy days 7 days  
HumidityHumidity 59%  
WindspeedWindspeed 18 km/h  
SunshineSunshine 108 hours  
Percentage SunshinePercentage Sunshine  

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.

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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 in December.

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

Interested in more climate information?

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

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.