All Countries
Big Sky, MT
Full City Profile · Montana · Gallatin County County
3.2
/5.0
B
Good
2,388
Population
20/sq mi density
$103,625
Median Income
$68,243 per capita
$884,700
Home Value
$1,819,905 Zillow
$1,712
Median Rent
34.6% income on rent
38°F
Avg Temperature
276 sunny days/yr
117
Violent Crime/100K
584 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$103,625 median income, 1.7% unemployment
D
Affordability
1.8 / 5.0
$884,700 home value, $1,712/mo rent
F
Safety
1.0 / 5.0
117 violent crimes/100K
A+
Education
5.0 / 5.0
58.3% bachelor's degree or higher
Big Sky has a cool climate with an average annual temperature of 38°F (3°C). Winters average 19°F in January while summers reach 60°F in July. The area gets 276 sunny days per year. Annual precipitation totals 23.3 inches. Air quality is rated Good with a median AQI of 26.
Temperature
19°F Jan (-7°C)
60°F Jul (15°C)
| Annual Average | 37.7°F |
| 30% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 6,907 ft (2,105 m) |
| Area | 120.0 sq mi (310.8 km²) |
| Population Density | 20/sq mi |
| Coordinates | 45.2564°N, 111.3320°W |
| Timezone | America/Denver |
| County | Gallatin County County |
| Nearest Airport | Bozeman Yellowstone International (BZN) 37 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| NO₂ (Nitrogen Dioxide) | 4.0 ppb |
| CO (Carbon Monoxide) | 0.22 ppm |
| PM2.5 (Fine Particles) | 3.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 81.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 71.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
1 volcano within 200 km. Closest: Yellowstone (106 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 106 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 2.0 in | |
| February | 20°F (-7°C) | 1.5 in | Driest |
| March | 24°F (-4°C) | 2.1 in | |
| April | 32°F (-0°C) | 1.9 in | |
| May | 41°F (5°C) | 3.0 in | Wettest |
| June | 49°F (10°C) | 3.0 in | |
| July | 60°F (15°C) | 1.7 in | Warmest |
| August | 56°F (13°C) | 1.8 in | |
| September | 48°F (9°C) | 2.0 in | |
| October | 38°F (3°C) | 1.7 in | |
| November | 26°F (-3°C) | 1.9 in | |
| December | 17°F (-8°C) | 2.0 in | Coldest |
Big Sky has a seasonal temperature swing of 42°F / from 17°F in December to 60°F in July. Total annual precipitation is 24.6 inches, with May being the wettest month (3.0") and February the driest (1.5").