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Rock Springs, WY
Full City Profile · Wyoming · Sweetwater County County
3.1
/5.0
B
Good
23,229
Population
1,176/sq mi density
$73,307
Median Income
$41,882 per capita
$245,600
Home Value
$283,749 Zillow
$943
Median Rent
25.5% income on rent
45°F
Avg Temperature
316 sunny days/yr
191
Violent Crime/100K
1,338 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$73,307 median income, 3.4% unemployment
A+
Affordability
4.8 / 5.0
$245,600 home value, $943/mo rent
F
Safety
1.0 / 5.0
191 violent crimes/100K
C+
Education
2.7 / 5.0
21.4% bachelor's degree or higher
Rock Springs has a cool climate with an average annual temperature of 45°F (7°C). Winters average 24°F in January while summers reach 69°F in July. The area gets 316 sunny days per year. Annual precipitation totals 10.5 inches. The area receives 31.3 inches of snow annually. Air quality is rated Good with a median AQI of 34.
Temperature
24°F Jan (-5°C)
69°F Jul (21°C)
| Annual Average | 45.0°F |
| 17% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 6,283 ft (1,915 m) |
| Area | 19.4 sq mi (50.1 km²) |
| Population Density | 1,176/sq mi |
| Coordinates | 41.5947°N, 109.2209°W |
| Timezone | America/Denver |
| County | Sweetwater County County |
| Nearest Airport | Southwest Wyoming Regional (RKS) 8 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0519 ppm |
| NO₂ (Nitrogen Dioxide) | 4.6 ppb |
| SO₂ (Sulfur Dioxide) | 1.08 ppb |
| PM2.5 (Fine Particles) | 3.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 30.6 / 100 |
| Social Vulnerability | 19.3 / 100 |
| Community Resilience | 16.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 0.4 in | |
| February | 23°F (-5°C) | 0.4 in | Driest |
| March | 31°F (-0°C) | 0.6 in | |
| April | 40°F (4°C) | 0.8 in | |
| May | 49°F (10°C) | 1.1 in | Wettest |
| June | 59°F (15°C) | 0.9 in | |
| July | 69°F (21°C) | 0.8 in | Warmest |
| August | 65°F (18°C) | 0.7 in | |
| September | 55°F (13°C) | 0.8 in | |
| October | 43°F (6°C) | 0.8 in | |
| November | 29°F (-2°C) | 0.5 in | |
| December | 20°F (-7°C) | 0.4 in | Coldest |
Rock Springs has a seasonal temperature swing of 50°F / from 20°F in December to 69°F in July. Total annual precipitation is 8.2 inches, with May being the wettest month (1.1") and February the driest (0.4").