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| Back to Montana, United States. Do you have any pictures of this city? ![]() Planning a vacation? Current weather forecast for Boulder, MT Elevation: 4904 feet County: Jefferson Land area: 1.1 square miles Zip code: 59632 Median resident age: 38.4 years New: Boulder, MT residents, houses, and apartments details Races in Boulder:
New: Political contributions by individuals in Boulder, MT Ancestries: German (24.1%), Irish (13.9%), English (12.1%), Norwegian (7.4%), Italian (6.3%), French (5.2%). |
![]() For population 25 years and over in Boulder
For population 15 years and over in Boulder town
1.8% Foreign born |
![]() Nearest city with pop. 50,000+: Great Falls, MT (104.8 miles, pop. 56,690). Nearest city with pop. 200,000+: Denver, CO (666.7 miles, pop. 554,636). Nearest city with pop. 1,000,000+: Phoenix, AZ (878.9 miles, pop. 1,321,045). Nearest cities: Basin, MT (10.4 miles), Jefferson City, MT (11.8 miles), Clancy, MT (19.0 miles), Montana City, MT (24.6 miles), Whitehall, MT (25.4 miles), Helena West Side, MT (25.5 miles), Helena, MT (25.7 miles), East Helena, MT (28.2 miles). Area code: 406 Industries providing employment: Educational,health and social services (31.1%), Public administration (18.1%). |
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) | 22.1 | 26.7 | 33.3 | 41.1 | 49.5 | 57.8 | 64.5 | 63.8 | 53.9 | 43.6 | 30.0 | 22.7 |
| High temperature (°F) | 34.2 | 39.5 | 46.6 | 55.8 | 64.6 | 73.8 | 82.2 | 82.0 | 71.4 | 59.6 | 42.1 | 34.6 |
| Low temperature (°F) | 9.9 | 13.9 | 19.9 | 26.3 | 34.3 | 41.8 | 46.8 | 45.5 | 36.4 | 27.5 | 17.9 | 10.7 |
| Precipitation (in) | 0.4 | 0.3 | 0.5 | 0.8 | 2.0 | 1.9 | 1.5 | 1.4 | 1.1 | 0.6 | 0.6 | 0.4 |
Based on data reported by main weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Days with precip. | 8 | 6 | 8 | 8 | 11 | 12 | 8 | 8 | 6 | 6 | 7 | 8 |
| Wind speed (mph) | 6.8 | 7.4 | 8.3 | 9.1 | 8.8 | 8.5 | 7.8 | 7.4 | 7.4 | 7.2 | 7.2 | 6.8 |
| Morning humidity (%) | 72 | 73 | 73 | 70 | 71 | 73 | 67 | 68 | 72 | 73 | 74 | 73 |
| Afternoon humidity (%) | 64 | 54 | 46 | 39 | 38 | 38 | 30 | 30 | 35 | 43 | 58 | 66 |
| Sunshine (%) | 46 | 55 | 61 | 59 | 60 | 64 | 78 | 74 | 67 | 60 | 44 | 42 |
| Days clear of clouds | 5 | 4 | 4 | 4 | 5 | 6 | 14 | 13 | 11 | 8 | 5 | 4 |
| Partly cloudy days | 6 | 7 | 8 | 9 | 10 | 11 | 11 | 11 | 9 | 9 | 7 | 7 |
| Cloudy days | 20 | 17 | 19 | 18 | 16 | 13 | 6 | 7 | 11 | 14 | 18 | 20 |
| Snowfall (in) | 8.5 | 6.1 | 7.3 | 4.9 | 1.4 | 0.1 | 0.0 | 0.1 | 1.5 | 2.3 | 6.4 | 8.3 |