December

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December

Great Falls Weather December

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November

January

Temperatures trend during December in Great Falls

See the weather trend as well as the moving average line

December weather in Great Falls day by day

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November January

Date	Weather	Temperatures	Rain	Snow
Dec. 1	Overcast	0° /-11°	0 mm	0 cm
Dec. 2	Moderate or heavy snow showers	0° /-2°	14 mm	10.1 cm
Dec. 3	Freezing fog	0° /-8°	0 mm	0 cm
Dec. 4	Overcast	1° /-4°	0 mm	0 cm
Dec. 5	Light snow	1° /-4°	1.9 mm	1.4 cm
Dec. 6	Mist	3° /-1°	0 mm	0 cm
Dec. 7	Overcast	2° /-3°	0 mm	0 cm
Dec. 8	Overcast	4° /1°	0 mm	0 cm
Dec. 9	Overcast	6° /-2°	0 mm	0 cm
Dec. 10	Mist	7° /-1°	0 mm	0 cm
Dec. 11	Overcast	7° /-6°	0 mm	0 cm
Dec. 12	Moderate snow	-3° /-10°	10.3 mm	7.4 cm
Dec. 13	Mist	-2° /-11°	0 mm	0 cm
Dec. 14	Overcast	6° /-1°	0 mm	0 cm
Dec. 15	Overcast	6° /0°	0 mm	0 cm
Dec. 16	Sunny	7° /0°	0 mm	0 cm
Dec. 17	Cloudy	5° /-1°	0 mm	0 cm
Dec. 18	Overcast	2° /-4°	0 mm	0 cm
Dec. 19	Cloudy	6° /-2°	0 mm	0 cm
Dec. 20	Sunny	3° /-2°	0 mm	0 cm
Dec. 21	Partly cloudy	3° /-4°	0 mm	0 cm
Dec. 22	Light snow	6° /-1°	4 mm	1.7 cm
Dec. 23	Freezing fog	2° /-3°	0 mm	0 cm
Dec. 24	Mist	0° /-2°	0 mm	0 cm
Dec. 25	Overcast	6° /-3°	0 mm	0 cm
Dec. 26	Overcast	4° /0°	0 mm	0 cm
Dec. 27	Overcast	0° /-13°	0 mm	0 cm
Dec. 28	Sunny	-3° /-15°	0 mm	0 cm
Dec. 29	Overcast	3° /-6°	0 mm	0 cm
Dec. 30	Partly cloudy	6° /-4°	0 mm	0 cm
Dec. 31	Partly cloudy	7° /-2°	0 mm	0 cm
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Important Notice

Our weather forecast for Great Falls in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Great Falls forecast closer to your planned date for the most up-to-date weather information.

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Great Falls in December - FAQ

What are the expected maximum and minimum temperatures in Great Falls during December?

Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Great Falls during December?

In December, Great Falls can expect light to moderate rainfall, totaling 30.2 mm across approximately 0 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Great Falls in December 2026?

Great Falls experiences an average snowfall of 20.6 cm during December, occurring over 4 days.

What are the typical wind conditions in Great Falls during December?

The average wind speed in Great Falls during December is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

Great Falls snow forecast December 2026

Track daily snowfall levels and discover Great Falls’s snowy potential this December ❄️

On average, Great Falls sees 4 snowy days during December, with approximately 20.6 cm of total snowfall.

December rainfall patterns in Great Falls

Explore the daily rainfall trends and prepare for Great Fallss December weather 💧

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Get accurate weather forecasts for Great Falls, located at latitude 47.5 and longitude -111.301. Stay updated with localized weather information tailored for Great Falls.

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
		1 0°	2 0°	3 0°	4 1°	5 1°
6 3°	7 2°	8 4°	9 6°	10 7°	11 7°	12 -3°
13 -2°	14 6°	15 6°	16 7°	17 5°	18 2°	19 6°
20 3°	21 3°	22 6°	23 2°	24 0°	25 6°	26 4°
27 0°	28 -3°	29 3°	30 6°	31 7°