Cheyenne Weather in December
Cheyenne in December averages 3°C (37°F) during the day and -9°C (16°F) at night. This is part of the winter season. Some snow/rainfall is to be expected.
Rainfall in Cheyenne in December
Climate statistics over the past 30 years suggest around 7 days of snow/rain, with 18 mm (0.7 in) average for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Cheyenne in December
Daytime highs in Cheyenne in December reach 3°C (37°F), with nights around -9°C (16°F). December is part of winter. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. At -9°C (16°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. Since it's the coldest month of the year, you'll want to bundle up with extra layers and winter clothing.
Sunshine in Cheyenne in December
The area enjoys a balanced 178 hours of sunlight, ensuring it's neither too overcast nor too sunny.December in Cheyenne has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Cheyenne's climate page.
Cheyenne Temperature in December
Min Temperature
-9°C (16°F)
Max Temperature
3°C (37°F)
Chance of Rain
22%
Precipitation
18 mm (0.7 in)
Rainy days
7 days
Humidity
54%
Sunshine
178 hours
Percentage Sunshine
61%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cheyenne typically stay consistent throughout December, with daily highs averaging around 3°C (37°F). Nights are very cold, with lows typically ranging from -9°C (16°F) to -6°C (21°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Cheyenne in December
Browse day-by-day weather records for Cheyenne spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cheyenne historical weather extremes in December
Based on weather observations in Cheyenne between 1976 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 2, 2021, with a maximum of 21°C (70°F).
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cheyenne in December
We recommend to layer up for chilly conditions in Cheyenne in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Almost no rain is expected, so no need to bring rain gear. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Cheyenne in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Cheyenne's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cheyenne climate overview or explore weather in the United States of America.
