Rocky Boy West, MT
Full City Profile · Montana · Hill County County
1.2
/5.0
F
Poor
905
Population
166/sq mi density
$81,700
Home Value
$251,865 Zillow
$324
Median Rent
11.6% income on rent
45°F
Avg Temperature
F
Overall
1.2 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Education
1.2 / 5.0
2.4% bachelor's degree or higher
Rocky Boy West has a cool climate with an average annual temperature of 45°F (7°C). Winters average 20°F in January while summers reach 70°F in July. Annual precipitation totals 13.3 inches. The area receives 41.0 inches of snow annually.
Temperature
20°F Jan (-7°C)
70°F Jul (21°C)
| Annual Average | 45.1°F |
| 16% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 2,773 ft (845 m) |
| Area | 5.5 sq mi (14.1 km²) |
| Population Density | 166/sq mi |
| Coordinates | 48.2972°N, 109.9918°W |
| Timezone | America/Denver |
| County | Hill County County |
| Nearest Airport | Great Falls International (GTF) 85 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 7.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.5 / 100 |
| Social Vulnerability | 67.1 / 100 |
| Community Resilience | 38.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 0.5 in | Coldest |
| February | 24°F (-4°C) | 0.4 in | Driest |
| March | 34°F (1°C) | 0.5 in | |
| April | 46°F (8°C) | 1.3 in | |
| May | 55°F (13°C) | 2.1 in | |
| June | 62°F (17°C) | 3.1 in | Wettest |
| July | 70°F (21°C) | 1.4 in | Warmest |
| August | 69°F (21°C) | 1.0 in | |
| September | 59°F (15°C) | 1.2 in | |
| October | 46°F (8°C) | 0.9 in | |
| November | 33°F (0°C) | 0.6 in | |
| December | 23°F (-5°C) | 0.4 in |
Rocky Boy West has a seasonal temperature swing of 50°F / from 20°F in January to 70°F in July. Total annual precipitation is 13.3 inches, with June being the wettest month (3.1") and February the driest (0.4").