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Fort Smith, MT
Full City Profile · Montana · Big Horn County County
3.8
/5.0
B+
Good
105
Population
76/sq mi density
$52,292
Median Income
$32,880 per capita
$129,200
Home Value
$204,573 Zillow
49°F
Avg Temperature
311 sunny days/yr
378
Violent Crime/100K
4,476 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$52,292 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$129,200 home value, /mo rent
F
Safety
1.0 / 5.0
378 violent crimes/100K
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Fort Smith experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 29°F in January while summers reach 74°F in July. The area gets 311 sunny days per year. Annual precipitation totals 16.7 inches. The area receives 43.9 inches of snow annually. Air quality is rated Good with a median AQI of 26.
Temperature
29°F Jan (-2°C)
74°F Jul (23°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 3,194 ft (974 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 76/sq mi |
| Coordinates | 45.3171°N, 107.9351°W |
| Timezone | America/Denver |
| County | Big Horn County County |
| Nearest Airport | Billings Logan International (BIL) 45 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.2 / 100 |
| Social Vulnerability | 94.2 / 100 |
| Community Resilience | 4.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 0.9 in | |
| February | 28°F (-2°C) | 0.8 in | Driest |
| March | 34°F (1°C) | 1.3 in | |
| April | 42°F (6°C) | 2.2 in | |
| May | 52°F (11°C) | 3.0 in | Wettest |
| June | 61°F (16°C) | 2.4 in | |
| July | 74°F (23°C) | 1.1 in | Warmest |
| August | 68°F (20°C) | 1.1 in | |
| September | 58°F (15°C) | 1.8 in | |
| October | 47°F (8°C) | 1.5 in | |
| November | 34°F (1°C) | 1.0 in | |
| December | 27°F (-3°C) | 0.9 in | Coldest |
Fort Smith has a seasonal temperature swing of 47°F / from 27°F in December to 74°F in July. Total annual precipitation is 18.1 inches, with May being the wettest month (3.0") and February the driest (0.8").