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Riverton, WY
Full City Profile · Wyoming · Fremont County County
3.1
/5.0
B
Good
10,803
Population
1,043/sq mi density
$56,280
Median Income
$27,758 per capita
$204,900
Home Value
$254,997 Zillow
$885
Median Rent
27.0% income on rent
44°F
Avg Temperature
310 sunny days/yr
345
Violent Crime/100K
3,871 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$56,280 median income, 3.5% unemployment
A+
Affordability
4.6 / 5.0
$204,900 home value, $885/mo rent
F
Safety
1.0 / 5.0
345 violent crimes/100K
C+
Education
2.8 / 5.0
22.3% bachelor's degree or higher
Riverton has a cool climate with an average annual temperature of 44°F (7°C). Winters average 16°F in January while summers reach 71°F in July. The area gets 310 sunny days per year. Annual precipitation totals 9.5 inches. The area receives 44.3 inches of snow annually. Air quality is rated Good with a median AQI of 34.
Temperature
16°F Jan (-9°C)
71°F Jul (22°C)
| Annual Average | 43.9°F |
| 19% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 4,957 ft (1,511 m) |
| Area | 9.9 sq mi (25.5 km²) |
| Population Density | 1,043/sq mi |
| Coordinates | 43.0263°N, 108.3813°W |
| Timezone | America/Denver |
| County | Fremont County County |
| Nearest Airport | Central Wyoming Regional (RIW) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0494 ppm |
| NO₂ (Nitrogen Dioxide) | 2.8 ppb |
| SO₂ (Sulfur Dioxide) | 1.82 ppb |
| PM2.5 (Fine Particles) | 4.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 59.7 / 100 |
| Social Vulnerability | 52.8 / 100 |
| Community Resilience | 11.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.2 in | Coldest, Driest |
| February | 24°F (-4°C) | 0.2 in | |
| March | 36°F (2°C) | 0.5 in | |
| April | 45°F (7°C) | 1.1 in | |
| May | 54°F (12°C) | 1.8 in | Wettest |
| June | 64°F (18°C) | 1.1 in | |
| July | 71°F (22°C) | 0.8 in | Warmest |
| August | 69°F (21°C) | 0.6 in | |
| September | 58°F (14°C) | 0.9 in | |
| October | 46°F (8°C) | 0.8 in | |
| November | 30°F (-1°C) | 0.4 in | |
| December | 19°F (-7°C) | 0.3 in |
Riverton has a seasonal temperature swing of 55°F / from 16°F in January to 71°F in July. Total annual precipitation is 8.6 inches, with May being the wettest month (1.8") and January the driest (0.2").