St. Pierre, MT
Full City Profile · Montana · Hill County County
2.8
/5.0
C+
Fair
467
Population
58/sq mi density
$34,141
Median Income
$10,317 per capita
$388
Median Rent
13.8% income on rent
45°F
Avg Temperature
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Economy
1.3 / 5.0
$34,141 median income, 29.3% unemployment
A+
Affordability
5.0 / 5.0
C
Education
2.0 / 5.0
13.1% bachelor's degree or higher
St. Pierre 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 18.9 inches. The area receives 68.7 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 | 4,108 ft (1,252 m) |
| Area | 8.1 sq mi (20.9 km²) |
| Population Density | 58/sq mi |
| Coordinates | 48.2439°N, 109.8161°W |
| Timezone | America/Denver |
| County | Hill County County |
| Nearest Airport | Great Falls International (GTF) 89 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) | 1.0 in | Coldest |
| February | 24°F (-4°C) | 0.8 in | Driest |
| March | 34°F (1°C) | 0.9 in | |
| April | 46°F (8°C) | 1.8 in | |
| May | 55°F (13°C) | 2.6 in | |
| June | 62°F (17°C) | 4.0 in | Wettest |
| July | 70°F (21°C) | 2.0 in | Warmest |
| August | 69°F (21°C) | 1.3 in | |
| September | 59°F (15°C) | 1.4 in | |
| October | 46°F (8°C) | 1.3 in | |
| November | 33°F (0°C) | 1.0 in | |
| December | 23°F (-5°C) | 0.9 in |
St. Pierre has a seasonal temperature swing of 50°F / from 20°F in January to 70°F in July. Total annual precipitation is 18.9 inches, with June being the wettest month (4.0") and February the driest (0.8").