Colorado by month · 12 of 12
Colorado RV rental in December
December is flagged as a caution month in the Colorado seasonal calendar.
High country is accessible and wildflowers peak; winters bring heavy snow that closes many mountain roads and campgrounds.
PickRV
Published by PickRV
December on the ground
Weather & conditions
High 45°F, Low 19°F
December belongs to the ski towns — for RV travelers it is a month of low-elevation bases, short days, and big mountain scenery.
What to do in December
- Ski villages in full holiday swing
- Holiday lights from Denver to the mountain towns
- Quiet snowshoe rambles on forest roads
Best-fit rigs: Motorhome · Truck or van
Know before you go
I-70 storm traffic and traction laws are the winter constant; deep cold settles in every night.
Afternoon thunderstorms are common in summer; altitude sickness is real above 8,000 feet. Winter driving requires chains or 4WD.
From the verified event registry
December events in Colorado
Trip notes
December tips for Colorado
Nights dip to freezing or below: insulated water hose, tank protection or a winterized rig, and extra propane.
Carry traction boards and check chain requirements before any mountain route.
Plan shorter driving days — winter-pattern daylight is limited and campground offices close early.
Keep planning
Plan the Colorado trip
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