Castle Rock weather in January (Washington State, United States of America)
Looking to travel to Castle Rock in January? Here's what the weather might have in store during this month.
In January, Castle Rock generally has low temperatures and heavy rainfall. January falls within the winter season. Daytime temperatures hover around 8°C, while nights can cool down to about 1°C.
Castle Rock in January usually receives heavy rainfall, averaging around 207 mm for the month. In this month, the heaviest downpours of the year are not uncommon. Carrying a poncho might be your best bet to stay dry. Typically around 21 days of rainfall is expected.
The area experiences limited sunny days, amounting to roughly 84 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days
If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Castle Rock. June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have 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 January
Min Temperature
1°C
Max Temperature
8°C
Chance of Rain
68%
Precipitation
207 mm
Rainy days
21 days
Sunshine
84 hours *
Percentage Sunshine
*
Where to go in the United States of America in January
Find out more about the weather in the United States of America in January 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 January?
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 January.
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.
