Castle Rock Weather in December
December in Castle Rock brings low temperatures, with daytime highs of 6°C (43°F) and nights around -9°C (16°F). Expect around 27 mm (1.1 in) of snow/rainfall during the month.
Rainfall in Castle Rock in December
Typically, you can expect about 7 days of snow/rain this month, with 27 mm (1.1 in) on average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Castle Rock in December
Daytime temperatures in Castle Rock reach 6°C (43°F) in December, dropping to -9°C (16°F) at night. The winter season is characteristic of December. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. 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. The month is typically the coldest, so be sure to prepare by packing plenty of warm clothing.
Sunshine in Castle Rock in December
Expect sunny days throughout the month, with an estimated 195 hours of sunshine. Despite the cool temperatures, the sunny skies make it a pleasant time to visit Castle Rock.December in Castle Rock has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options 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 Castle Rock's climate page.
Castle Rock Temperature in December
Min Temperature
-9°C (16°F)
Max Temperature
6°C (43°F)
Chance of Rain
23%
Precipitation
27 mm (1.1 in)
Rainy days
7 days
Humidity
56% *
Sunshine
195 hours *
Percentage Sunshine
67% *
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 Castle Rock in December
We recommend to layer up for chilly conditions in Castle Rock 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. Some rain is possible, so pack something to handle light showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Castle Rock 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 Castle Rock's climate page.
Temperature Rainfall Sunshine Humidity
See the full Castle Rock climate overview or explore weather in the United States of America.
