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| Back to Colorado, United States. Do you have any pictures of this city? ![]() Planning a vacation? Current weather forecast for Boulder, CO Elevation: 5344 feet County: Boulder Land area: 24.4 square miles Zip codes: 80301, 80302, 80303, 80304. Median resident age: 29.0 years New: Boulder, CO residents, houses, and apartments details Races in Boulder:
New: Political contributions by individuals in Boulder, CO Ancestries: German (20.9%), English (15.0%), Irish (13.9%), Italian (5.6%), Scottish (4.2%), Polish (3.6%). |
![]() For population 25 years and over in Boulder
For population 15 years and over in Boulder city
11.4% Foreign born (4.2% Latin America, 3.2% Asia, 2.8% Europe). |
![]() Nearest city with pop. 200,000+: Denver, CO (28.6 miles, pop. 554,636). Nearest city with pop. 1,000,000+: Phoenix, AZ (648.8 miles, pop. 1,321,045). Nearest cities: Eldorado Springs, CO (5.4 miles), Gunbarrel, CO (5.9 miles), Louisville, CO (8.5 miles), Niwot, CO (8.8 miles), Superior, CO (8.9 miles), Gold Hill, CO (10.9 miles), Jamestown, CO (11.0 miles), Lafayette, CO (11.1 miles). Single-family new house construction building permits:
Industries providing employment: Educational,health and social services (25.2%), Professional,scientific,management,administrative,and waste management services (18.3%), Arts,entertainment,recreation,accommodation and food services (11.4%), Retail trade (11.1%). |
Based on data reported by over 4,000 weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average temp. (°F) | 32.3 | 35.7 | 41.7 | 48.2 | 56.9 | 66.4 | 71.6 | 70.0 | 62.1 | 51.8 | 39.6 | 33.3 |
| High temperature (°F) | 45.6 | 49.0 | 55.7 | 62.7 | 71.7 | 82.2 | 87.3 | 85.1 | 77.4 | 66.7 | 52.6 | 46.0 |
| Low temperature (°F) | 19.0 | 22.3 | 27.6 | 33.8 | 42.0 | 50.5 | 55.9 | 55.0 | 46.7 | 37.0 | 26.6 | 20.4 |
| Precipitation (in) | 0.7 | 0.7 | 1.8 | 2.9 | 3.1 | 2.0 | 1.9 | 1.7 | 1.8 | 1.3 | 1.4 | 0.8 |
Based on data reported by main weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Days with precip. | 5 | 5 | 8 | 9 | 11 | 10 | 12 | 11 | 7 | 5 | 5 | 5 |
| Wind speed (mph) | 12.2 | 12.2 | 12.7 | 12.8 | 11.8 | 10.8 | 9.8 | 9.6 | 10.2 | 10.8 | 11.4 | 12.0 |
| Morning humidity (%) | 59 | 61 | 65 | 67 | 71 | 70 | 70 | 71 | 67 | 61 | 62 | 59 |
| Afternoon humidity (%) | 49 | 44 | 43 | 39 | 41 | 37 | 38 | 40 | 38 | 39 | 49 | 51 |
| Sunshine (%) | 65 | 68 | 68 | 65 | 63 | 69 | 71 | 70 | 72 | 71 | 63 | 62 |
| Days clear of clouds | 10 | 8 | 8 | 7 | 6 | 10 | 10 | 10 | 14 | 14 | 11 | 10 |
| Partly cloudy days | 9 | 9 | 10 | 10 | 12 | 12 | 15 | 13 | 9 | 9 | 9 | 9 |
| Cloudy days | 12 | 12 | 13 | 13 | 13 | 8 | 7 | 8 | 8 | 9 | 10 | 12 |
| Snowfall (in) | 5.9 | 5.6 | 10.4 | 7.8 | 2.4 | 0.1 | 0.0 | 0.0 | 1.0 | 3.4 | 6.2 | 5.6 |