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Plains, MT
Full City Profile · Montana · Lake County County
2.1
/5.0
C
Fair
1,077
Population
1,737/sq mi density
$24,661
Median Income
$43,265 per capita
$209,200
Home Value
$395,959 Zillow
$782
Median Rent
46.0% income on rent
48°F
Avg Temperature
273 sunny days/yr
469
Violent Crime/100K
1,968 property/100K
C
Overall
2.1 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$24,661 median income, 2.0% unemployment
D
Affordability
1.9 / 5.0
$209,200 home value, $782/mo rent
F
Safety
1.0 / 5.0
469 violent crimes/100K (23% above avg)
C+
Education
2.6 / 5.0
20.0% bachelor's degree or higher
Plains experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 29°F in January while summers reach 70°F in July. The area gets 273 sunny days per year. Annual precipitation totals 16.4 inches. Air quality is rated Good with a median AQI of 26.
Temperature
29°F Jan (-2°C)
70°F Jul (21°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 2,471 ft (753 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 1,737/sq mi |
| Coordinates | 47.4602°N, 114.8842°W |
| Timezone | America/Denver |
| County | Lake County County |
| Nearest Airport | Missoula Montana (MSO) 53 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 67.7 / 100 |
| Social Vulnerability | 58.8 / 100 |
| Community Resilience | 51.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 2.3 in | Wettest |
| February | 29°F (-2°C) | 1.6 in | |
| March | 35°F (2°C) | 1.3 in | |
| April | 42°F (6°C) | 1.3 in | |
| May | 50°F (10°C) | 2.0 in | |
| June | 58°F (14°C) | 2.0 in | |
| July | 70°F (21°C) | 1.1 in | Warmest, Driest |
| August | 64°F (18°C) | 1.3 in | |
| September | 55°F (13°C) | 1.3 in | |
| October | 44°F (7°C) | 1.1 in | |
| November | 33°F (1°C) | 1.9 in | |
| December | 26°F (-3°C) | 2.2 in | Coldest |
Plains has a seasonal temperature swing of 44°F / from 26°F in December to 70°F in July. Total annual precipitation is 19.5 inches, with January being the wettest month (2.3") and July the driest (1.1").