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Weather in Rocky Mountain National Park, Colorado for December 2026

Your guide to Rocky Mountain National Park weather in December - trends and predictions

    Snow Forecast ❄️

  • Rocky Mountain National Park typically experiences moderate snowfall in December, with an average of 6 snowy days.

    • More

  • Is December a good time to visit Rocky Mountain National Park? check out the best time to travel to Rocky Mountain National Park page.

  • ✨ Is December a good time to visit Rocky Mountain National Park? – Ask the AI Weatherman

Average dry days
24
Dry days
Average rainy days
1
Rainy days
Average snowy days
6
Snow days
Average temperatures
2°/-5°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Rocky Mountain National Park Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
2°
2
Sunny
3°
3
Moderate snow
2°
4
Sunny
2°
5
Overcast
3°
6
Light rain
3°
7
Sunny
2°
8
Partly cloudy
1°
9
Light freezing rain
-2°
10
Light freezing rain
-3°
11
Overcast
3°
12
Cloudy
3°
13
Light freezing rain
3°
14
Partly cloudy
7°
15
Light freezing rain
4°
16
Partly cloudy
2°
17
Patchy moderate snow
2°
18
Cloudy
1°
19
Sunny
5°
20
Moderate snow
4°
21
Sunny
6°
22
Overcast
7°
23
Light freezing rain
6°
24
Overcast
4°
25
Light rain
3°
26
Light snow
2°
27
Light snow
-1°
28
Light freezing rain
-2°
29
Light freezing rain
2°
30
Light freezing rain
3°
31
Partly cloudy
1°

Temperatures trend during December in Rocky Mountain National Park

See the weather trend as well as the moving average line

December weather in Rocky Mountain National Park day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 2° /-8° 0 mm 0 cm
Dec. 2 Sunny
Sunny
 3° /-7° 0 mm 0 cm
Dec. 3 Moderate snow
Moderate snow
 2° /-10° 8.4 mm 6 cm
Dec. 4 Sunny
Sunny
 2° /-9° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 3° /-7° 0.6 mm 0.1 cm
Dec. 6 Light rain
Light rain
 3° /-7° 4.4 mm 0.7 cm
Dec. 7 Sunny
Sunny
 2° /-8° 0 mm 0 cm
Dec. 8 Partly cloudy
Partly cloudy
 1° /-5° 0 mm 0 cm
Dec. 9 Light freezing rain
Light freezing rain
 -2° /-9° 0.2 mm 0 cm
Dec. 10 Light freezing rain
Light freezing rain
 -3° /-7° 0.2 mm 0 cm
Dec. 11 Overcast
Overcast
 3° /-5° 0 mm 0 cm
Dec. 12 Cloudy
Cloudy
 3° /-6° 0 mm 0 cm
Dec. 13 Light freezing rain
Light freezing rain
 3° /-4° 0.1 mm 0 cm
Dec. 14 Partly cloudy
Partly cloudy
 7° /-4° 0 mm 0 cm
Dec. 15 Light freezing rain
Light freezing rain
 4° /-3° 0.4 mm 0 cm
Dec. 16 Partly cloudy
Partly cloudy
 2° /-5° 0 mm 0 cm
Dec. 17 Patchy moderate snow
Patchy moderate snow
 2° /-4° 8.8 mm 0.4 cm
Dec. 18 Cloudy
Cloudy
 1° /-9° 0.9 mm 0.6 cm
Dec. 19 Sunny
Sunny
 5° /-4° 0 mm 0 cm
Dec. 20 Moderate snow
Moderate snow
 4° /-3° 14.8 mm 8 cm
Dec. 21 Sunny
Sunny
 6° /-3° 0 mm 0 cm
Dec. 22 Overcast
Overcast
 7° /-1° 0 mm 0 cm
Dec. 23 Light freezing rain
Light freezing rain
 6° /-1° 0.1 mm 0 cm
Dec. 24 Overcast
Overcast
 4° /-2° 0 mm 0 cm
Dec. 25 Light rain
Light rain
 3° /-2° 3.5 mm 0.7 cm
Dec. 26 Light snow
Light snow
 2° /-3° 0.7 mm 0.5 cm
Dec. 27 Light snow
Light snow
 -1° /-5° 4.5 mm 3.1 cm
Dec. 28 Light freezing rain
Light freezing rain
 -2° /-10° 9.6 mm 6.4 cm
Dec. 29 Light freezing rain
Light freezing rain
 2° /-7° 2 mm 0.8 cm
Dec. 30 Light freezing rain
Light freezing rain
 3° /-7° 1.5 mm 0.8 cm
Dec. 31 Partly cloudy
Partly cloudy
 1° /-7° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Rocky Mountain National Park 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 Rocky Mountain National Park forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Rocky Mountain National Park in December - FAQ

What are the expected maximum and minimum temperatures in Rocky Mountain National Park during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Rocky Mountain National Park during December?
Moderate rainfall is anticipated in Rocky Mountain National Park during December, with a total of 60.6 mm spread over approximately 1 days. Considering plans for rainy days is advisable.

Will it snow in Rocky Mountain National Park in December 2026?
Rocky Mountain National Park experiences an average snowfall of 28.2 cm during December, occurring over 6 days.

What are the typical wind conditions in Rocky Mountain National Park during December?
The average wind speed in Rocky Mountain National Park during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

Rocky Mountain National Park snow forecast December 2026

Track daily snowfall levels and discover Rocky Mountain National Park’s snowy potential this December ❄️
On average, Rocky Mountain National Park sees 6 snowy days during December, with approximately 28.2 cm of total snowfall.

December rainfall patterns in Rocky Mountain National Park

Explore the daily rainfall trends and prepare for Rocky Mountain National Parks December weather 💧
Typically, Rocky Mountain National Park has 1 rainy days in December with a total of 60.6 mm of rainfall.
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Location coordinates Where is Rocky Mountain National Park?

Get accurate weather forecasts for Rocky Mountain National Park, located at latitude 40.343 and longitude -105.684. Stay updated with localized weather information tailored for Rocky Mountain National Park.

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