Search Menu

The weather in December in Montana

It's cold in December in Montana with an average temperature of 3°C. Temperatures this month range from a low of -3°C to a high of 6°C. At night, you can expect temperatures between -13°C and -3°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Montana, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 19°C in 2021, Montana reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -28°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -31°C to a highest value of 12°C.

Precipitation and snowfall

In December, there is an average of 8,1 mm of precipitation, spread over 4 days. Of the total precipitation, about 38 cm falls as snow in December. The wind speed is around 5 Bft, mostly coming from the West.

Daily weather in December for Montana

Click on any day in December to get detailed info about the usual weather on that day in Montana. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Montana New York
Average temperature 3°C 9°C
Max. temperature 6°C 12°C
Min. temperature -13°C -5°C
Total precipitation 8,1 mm 133 mm
Rainy days 4 days 17 days
Total snowfall 38 cm 9,7 cm
Snowy days 16 days 3 days

Start of December

The month of December starts in Montana with cold temps, averaging around 6°C during the day and nights around -4°C.

Mid December

By mid-December, daytime temps drop to around 3°C, with nights around -6°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of December

By the end of December, the average daytime temperature in Montana is around -0°C, while nighttime temps are about -9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable vacations to Montana

UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Montana for all months and discover the best travel time

The climate in Montana is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Montana to get the full picture of the climate.

Temperature charts

These charts show the average temperatures in December in Montana, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Montana

Temperature in December in Montana over the years

Precipitation charts

These charts show the average amount of precipitation in December in Montana, United States. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Montana

Total precipitation in December in Montana over the years

Daily Snowfall in December in Montana

Snowfall in December in Montana per year

Daily UV index in December in Montana

This chart shows the average daily UV index in December in Montana, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in December in Montana

Have you been to Montana in December?

Share your weather experience in December in Montana.

Your email will not be shown in the review and will not be shared with others.

Average weather in Montana by month

Click on a month below to see detailed weather info for Montana. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.