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Ennis, MT
Full City Profile · Montana · Madison County County
2.6
/5.0
C+
Fair
615
Population
831/sq mi density
$60,880
Median Income
$37,623 per capita
$402,300
Home Value
$620,428 Zillow
$805
Median Rent
31.3% income on rent
43°F
Avg Temperature
311 sunny days/yr
294
Violent Crime/100K
393 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$60,880 median income, 0.8% unemployment
C+
Affordability
2.9 / 5.0
$402,300 home value, $805/mo rent
F
Safety
1.0 / 5.0
294 violent crimes/100K
C
Education
2.5 / 5.0
18.3% bachelor's degree or higher
Ennis has a cool climate with an average annual temperature of 43°F (6°C). Winters average 25°F in January while summers reach 64°F in July. The area gets 311 sunny days per year. Annual precipitation totals 13.0 inches. The area receives 44.7 inches of snow annually. Air quality is rated Good with a median AQI of 26.
Temperature
25°F Jan (-4°C)
64°F Jul (18°C)
| Annual Average | 42.7°F |
| 21% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 4,955 ft (1,510 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 831/sq mi |
| Coordinates | 45.3461°N, 111.7313°W |
| Timezone | America/Denver |
| County | Madison County County |
| Nearest Airport | Bozeman Yellowstone International (BZN) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 41.0 / 100 |
| Social Vulnerability | 18.5 / 100 |
| Community Resilience | 40.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| 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 (132 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 132 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 0.6 in | |
| February | 27°F (-3°C) | 0.5 in | Driest |
| March | 33°F (0°C) | 1.1 in | |
| April | 41°F (5°C) | 1.5 in | |
| May | 50°F (10°C) | 2.5 in | Wettest |
| June | 58°F (15°C) | 2.5 in | |
| July | 64°F (18°C) | 1.5 in | Warmest |
| August | 64°F (18°C) | 1.4 in | |
| September | 55°F (13°C) | 1.4 in | |
| October | 44°F (7°C) | 1.1 in | |
| November | 31°F (-0°C) | 0.8 in | |
| December | 24°F (-5°C) | 0.6 in | Coldest |
Ennis has a seasonal temperature swing of 41°F / from 24°F in December to 64°F in July. Total annual precipitation is 15.5 inches, with May being the wettest month (2.5") and February the driest (0.5").