Update from Denver/Centennial, CO on 2 Oct 2:53 AM PDT
|Month||Temp. (min)||Temp. (max)||Temp. (avg)||Precipitation|
The highest average temperature in Castle Rock is July at 73.4 degrees. The coldest average temperature in Castle Rock is December at 28.9 degrees. The most monthly precipitation in Castle Rock occurs in August with 2.9 inches. The Castle Rock weather information is based on the average of the previous 3-7 years of data.
|Air quality index||45||34||37|
The Castle Rock, CO air quality index is a median value which considers the most hazardous air pollutants. The Castle Rock, CO air quality index is 32.2% greater than the Colorado average and 21.6% greater than the national average.
The Castle Rock, CO pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Castle Rock, CO pollution index is 3.7% greater than the Colorado average and 68.2% less than the national average.
|Days with good air quality||195|
|Days with moderate air quality||95|
|Days w/ poor A.Q. for sensitive groups||6|
|Days with unhealthy air quality||0|
|Castle Rock, CO||0||Lone Tree, CO||11.8|
|Castle Pines, CO||6.1||Acres Green, CO||12.4|
|The Pinery, CO||7.3||Highlands Ranch, CO||12.9|
|Parker, CO||10.6||Roxborough Park, CO||13.3|
|Stonegate, CO||10.7||Elizabeth, CO||13.5|
|Carriage Club, CO||10.8||Castlewood, CO||14.5|
|Ponderosa Park, CO||11.4||Southglenn, CO||15.6|
|Perry Park, CO||11.6||Greenwood Village, CO||16.6|