Castle Rock weather in December (Washington State, United States of America)
Curious about the December weather in Castle Rock? This guide provides all the details you need.
In December, Castle Rock generally has low temperatures and heavy rainfall. December falls within the winter season. Throughout the day, temperatures typically settle at around 7°C. But by evening, they drop to around 1°C. It's often the coldest month of the year, a perfect time to cozy up indoors. Make sure to bring along suitable winter clothing.
Castle Rock in December falls under the rainy season with heavy rainfall, averaging around 206 mm for the month. Typically around 23 days of rainfall is expected.
The area experiences limited sunny days, amounting to roughly 62 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days
If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Castle Rock. June, July, August and September generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Castle Rock climate page with graphs.
Castle Rock, monthly averages in December
Min Temperature
1°C
Max Temperature
7°C
Chance of Rain
75%
Precipitation
206 mm
Rainy days
23 days
Sunshine
62 hours *
Percentage Sunshine
*
Where to go in the United States of America in December
Find out more about the weather in the United States of America in December and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Castle Rock in December?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in December.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Castle Rock.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
