US Geography / US Weather / Colorado Weather / Boulder |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 45 | 48 | 54 | 62 | 71 | 81 | 87 | 85 | 76 | 66 | 54 | 45 |
| Avg. Low | 18 | 24 | 28 | 35 | 44 | 52 | 58 | 56 | 48 | 38 | 28 | 21 |
| Mean | 34 | 36 | 41 | 48 | 58 | 67 | 74 | 71 | 62 | 54 | 41 | 34 |
| Avg. Precip. | 0.6 in | 0.7 in | 1.6 in | 2.3 in | 3.0 in | 2.3 in | 2.0 in | 1.3 in | 1.9 in | 1.3 in | 1.1 in | 0.8 in |
Degrees in Fahrenheit
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