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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