Rocky Boy's Agency, MT
Full City Profile · Montana · Hill County County
3.4
/5.0
B
Good
124
Population
14/sq mi density
$59,175
Median Income
$48,270 per capita
$44,600
Home Value
$224,252 Zillow
44°F
Avg Temperature
274 sunny days/yr
538
Violent Crime/100K
3,605 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$59,175 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$44,600 home value, /mo rent
F
Safety
1.0 / 5.0
538 violent crimes/100K (42% above avg)
B+
Education
3.6 / 5.0
32.4% bachelor's degree or higher
Rocky Boy's Agency has a cool climate with an average annual temperature of 44°F (7°C). Winters average 18°F in January while summers reach 70°F in July. The area gets 274 sunny days per year. Annual precipitation totals 13.1 inches. The area receives 34.6 inches of snow annually. Air quality is rated Good with a median AQI of 26.
Temperature
18°F Jan (-8°C)
70°F Jul (21°C)
| Annual Average | 43.5°F |
| 19% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 3,829 ft (1,167 m) |
| Area | 8.6 sq mi (22.2 km²) |
| Population Density | 14/sq mi |
| Coordinates | 48.2610°N, 109.7746°W |
| Timezone | America/Denver |
| County | Hill County County |
| Nearest Airport | Great Falls International (GTF) 91 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
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 | 18°F (-8°C) | 0.8 in | Coldest |
| February | 22°F (-6°C) | 0.6 in | Driest |
| March | 29°F (-2°C) | 0.9 in | |
| April | 40°F (4°C) | 1.3 in | |
| May | 49°F (10°C) | 3.1 in | Wettest |
| June | 58°F (14°C) | 2.9 in | |
| July | 70°F (21°C) | 1.8 in | Warmest |
| August | 64°F (18°C) | 1.9 in | |
| September | 54°F (12°C) | 1.8 in | |
| October | 43°F (6°C) | 0.9 in | |
| November | 29°F (-2°C) | 0.6 in | |
| December | 20°F (-6°C) | 0.8 in |
Rocky Boy's Agency has a seasonal temperature swing of 52°F / from 18°F in January to 70°F in July. Total annual precipitation is 17.3 inches, with May being the wettest month (3.1") and February the driest (0.6").
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