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Bar Nunn, WY
Full City Profile · Wyoming · Natrona County County
3.3
/5.0
B
Good
2,980
Population
1,419/sq mi density
$110,598
Median Income
$40,143 per capita
$287,800
Home Value
$354,211 Zillow
$1,098
Median Rent
51.0% income on rent
47°F
Avg Temperature
302 sunny days/yr
138
Violent Crime/100K
2,685 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$110,598 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$287,800 home value, $1,098/mo rent
F
Safety
1.0 / 5.0
138 violent crimes/100K
C
Education
2.3 / 5.0
15.9% bachelor's degree or higher
Bar Nunn experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 27°F in January while summers reach 72°F in July. The area gets 302 sunny days per year. Annual precipitation totals 13.4 inches. Air quality is rated Good with a median AQI of 34.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 47.4°F |
| 12% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 5,345 ft (1,629 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 1,419/sq mi |
| Coordinates | 42.9220°N, 106.3474°W |
| Timezone | America/Denver |
| County | Natrona County County |
| Nearest Airport | Casper/Natrona County International (CPR) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0471 ppm |
| NO₂ (Nitrogen Dioxide) | 7.1 ppb |
| SO₂ (Sulfur Dioxide) | 0.63 ppb |
| PM2.5 (Fine Particles) | 3.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 68.9 / 100 |
| Social Vulnerability | 20.5 / 100 |
| Community Resilience | 57.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 0.5 in | Driest |
| February | 27°F (-3°C) | 0.6 in | |
| March | 35°F (2°C) | 0.9 in | |
| April | 43°F (6°C) | 1.5 in | |
| May | 52°F (11°C) | 2.2 in | Wettest |
| June | 63°F (17°C) | 1.5 in | |
| July | 72°F (22°C) | 1.2 in | Warmest |
| August | 69°F (21°C) | 0.7 in | |
| September | 59°F (15°C) | 0.9 in | |
| October | 47°F (9°C) | 1.0 in | |
| November | 34°F (1°C) | 0.8 in | |
| December | 26°F (-3°C) | 0.6 in | Coldest |
Bar Nunn has a seasonal temperature swing of 46°F / from 26°F in December to 72°F in July. Total annual precipitation is 12.3 inches, with May being the wettest month (2.2") and January the driest (0.5").