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Swan Lake, MT
Full City Profile · Montana · Missoula County County
3.0
/5.0
B
Good
226
Population
30/sq mi density
$78,125
Median Income
$35,374 per capita
$492,900
Home Value
$758,435 Zillow
44°F
Avg Temperature
253 sunny days/yr
432
Violent Crime/100K
5,400 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$78,125 median income, 0.0% unemployment
B
Affordability
3.1 / 5.0
$492,900 home value, /mo rent
F
Safety
1.0 / 5.0
432 violent crimes/100K (14% above avg)
B
Education
3.4 / 5.0
30.1% bachelor's degree or higher
Swan Lake has a cool climate with an average annual temperature of 44°F (7°C). Winters average 24°F in January while summers reach 65°F in July. The area gets 253 sunny days per year. Air quality is rated Good with a median AQI of 26.
Temperature
24°F Jan (-4°C)
65°F Jul (18°C)
| Annual Average | 43.5°F |
| 19% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 4,632 ft (1,412 m) |
| Area | 7.6 sq mi (19.7 km²) |
| Population Density | 30/sq mi |
| Coordinates | 47.9361°N, 113.7997°W |
| Timezone | America/Denver |
| County | Missoula County County |
| Nearest Airport | Glacier Park International (FCA) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0429 ppm |
| PM2.5 (Fine Particles) | 8.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 79.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 2.8 in | |
| February | 24°F (-4°C) | 2.1 in | |
| March | 29°F (-2°C) | 2.0 in | |
| April | 37°F (3°C) | 2.0 in | |
| May | 45°F (7°C) | 2.8 in | |
| June | 53°F (12°C) | 2.9 in | Wettest |
| July | 65°F (18°C) | 1.5 in | Warmest, Driest |
| August | 59°F (15°C) | 1.8 in | |
| September | 50°F (10°C) | 2.0 in | |
| October | 41°F (5°C) | 2.0 in | |
| November | 28°F (-2°C) | 2.7 in | |
| December | 21°F (-6°C) | 2.7 in | Coldest |
Swan Lake has a seasonal temperature swing of 44°F / from 21°F in December to 65°F in July. Total annual precipitation is 27.1 inches, with June being the wettest month (2.9") and July the driest (1.5").