US Geography / US Weather / Colorado Weather / Castle Rock |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 44 | 45 | 50 | 58 | 68 | 78 | 85 | 82 | 74 | 65 | 52 | 44 |
| Avg. Low | 10 | 14 | 20 | 28 | 38 | 47 | 52 | 50 | 41 | 30 | 18 | 12 |
| Mean | 27 | 30 | 36 | 45 | 54 | 64 | 68 | 67 | 58 | 48 | 36 | 28 |
| Avg. Precip. | 0.6 in | 0.6 in | 1.3 in | 1.5 in | 2.5 in | 2.1 in | 2.6 in | 1.9 in | 1.4 in | 1.3 in | 0.9 in | 0.6 in |
Degrees in Fahrenheit
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