Historical Weather Records & Monthly Climate for Castle Rock, CO
All-Time High
101°F
All-Time Low
-17°F
Max Daily Snow
15.1"
Max Daily Rain
3.35"
Max Snow Depth
26"
Monthly Climate Averages for Castle Rock, CO
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 40° | 14° | 0.71" | 5.22" |
| February | 41° | 15° | 0.81" | 5.82" |
| March | 49° | 23° | 1.78" | 10.68" |
| April | 55° | 29° | 2.7" | 12.53" |
| May | 66° | 40° | 3.4" | 3.84" |
| June | 78° | 51° | 2.13" | 0.12" |
| July | 83° | 57° | 2.23" | 0 |
| August | 81° | 56° | 1.8" | 0 |
| September | 75° | 48° | 1.37" | 0.72" |
| October | 62° | 36° | 1.36" | 4.95" |
| November | 49° | 25° | 0.81" | 5.16" |
| December | 39° | 15° | 0.73" | 5.27" |
More Historical Climate Data for Cities in
CO