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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