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Bynum, MT
Full City Profile · Montana · Teton County County
3.3
/5.0
B
Good
12
Population
7/sq mi density
$45,625
Median Income
$28,400 per capita
44°F
Avg Temperature
273 sunny days/yr
192
Violent Crime/100K
2,340 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$45,625 median income, 0.0% unemployment
F
Safety
1.0 / 5.0
192 violent crimes/100K
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Bynum has a cool climate with an average annual temperature of 44°F (7°C). Winters average 25°F in January while summers reach 66°F in July. The area gets 273 sunny days per year. Annual precipitation totals 15.3 inches. Air quality is rated Good with a median AQI of 26.
Temperature
25°F Jan (-4°C)
66°F Jul (19°C)
| Annual Average | 43.5°F |
| 19% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 3,975 ft (1,212 m) |
| Area | 1.6 sq mi (4.2 km²) |
| Population Density | 7/sq mi |
| Coordinates | 47.9681°N, 112.3165°W |
| Timezone | America/Denver |
| County | Teton County County |
| Nearest Airport | Cut Bank International (CTB) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 19.0 / 100 |
| Social Vulnerability | 21.3 / 100 |
| Community Resilience | 57.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 0.4 in | Coldest |
| February | 31°F (-1°C) | 0.3 in | Driest |
| March | 36°F (2°C) | 0.5 in | |
| April | 45°F (7°C) | 0.9 in | |
| May | 54°F (12°C) | 2.2 in | |
| June | 62°F (16°C) | 2.3 in | Wettest |
| July | 66°F (19°C) | 1.4 in | Warmest |
| August | 66°F (19°C) | 1.5 in | |
| September | 56°F (13°C) | 1.1 in | |
| October | 47°F (8°C) | 0.6 in | |
| November | 34°F (1°C) | 0.4 in | |
| December | 28°F (-2°C) | 0.3 in |
Bynum has a seasonal temperature swing of 41°F / from 25°F in January to 66°F in July. Total annual precipitation is 11.6 inches, with June being the wettest month (2.3") and February the driest (0.3").