A DRIVE AROUND TOWN
Castle Rock - Colorado - 4K Downtown Drive
Castle Rock - Colorado - 4K Downtown Drive. A film shared by Mileage Mike Travels.
Watch on YouTube ↗
Weather · December
Castle Rock weather in December
Average highs of 46°F, lows of 18°F and 0.70 in of rain, from 30 years of weather records.
December is Castle Rock’s 11th warmest month, with average highs of 46°F and lows of 18°F. That is 8° cooler than November, and 18° below the yearly average high.
- Average high
- 46°F
- Average low
- 18°F
- Precipitation
- 0.70 in
- Wet days
- 5
- Snow
- 8.9 in
- Sunrise · sunset
- 7:12 AM · 4:36 PM
December across the year
High and low Rain
What to wear in December
- Cool days: a warm jacket and long pants, plus layers for the swing between morning and afternoon.
- Freezing nights: expect frost on cars in the morning.
- Snow is likely (about 9 inches on average): waterproof boots help.
What’s on in Castle Rock in December
- Festival Park Starlight MarketDecember 4 – December 5 · Dec. 4, 3-8 p.m.; Dec. 5, 11 a.m.-7 p.m. · Festival Park, Downtown Castle Rock
- Breakfast with Santa at Outlets at Castle RockSaturday, December 5 · 9:30-11 a.m. · Outlets at Castle Rock, Suite 350 (between HEYDUDE and Rally House)
- Reindeer GamesSaturday, December 5 · 1-4 p.m. · Philip S. Miller Park, Castle Rock
- Storytellers and S'moresSaturday, December 12 · 5-7 p.m. · Festival Park, Downtown Castle Rock
- The Nutcracker of Castle RockDecember 17 – December 20 · Dec. 17-18 at 6 p.m.; Dec. 19-20 at 1 and 6 p.m. · Castle View High School, Castle Rock
See all upcoming events and school days off.
See Castle Rock
A look around town before you go.
THINGS TO DO · YOUTUBE SHORT
Hiking up to the Rock
The short climb in Rock Park toward the butte that gives the town its name, with views over downtown. A Short shared by Espi Agency | Colorado Real Estate.
Watch on YouTube ↗December compared with the months around it
Planning a trip? See the best time to visit Castle Rock and today’s forecast.
Questions
How hot does it get in Castle Rock in December?
Average highs are 46°F and average lows 18°F, for a daily mean of 32°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Castle Rock in December?
December averages 0.70 in of precipitation over about 5 days with at least 0.01 in. It is the 11th wettest month of the year.
Does it snow in Castle Rock in December?
Yes, about 8.9 in of snow on average.
What time is sunset in Castle Rock in December?
Around mid-December the sun rises about 7:12 AM and sets about 4:36 PM, for roughly 9.4 hours of daylight.
Is December a good time to visit Castle Rock?
The mildest months for visiting are May, June, September. December is cold, with Christmas lights and New Year’s Eve events.
NOAA U.S. Climate Normals 1991–2020, Castle Rock station (3.8 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.