Sterling Ranch, CO
Full City Profile · Colorado · Jefferson County County
4.8
/5.0
A+
Excellent
2,530
Population
458/sq mi density
$198,750
Median Income
$73,855 per capita
$794,800
Home Value
$536,847 Zillow
50°F
Avg Temperature
A+
Overall
4.8 / 5.0
Strong
A+
Economy
5.0 / 5.0
$198,750 median income, 1.0% unemployment
A
Affordability
4.4 / 5.0
$794,800 home value, /mo rent
A+
Education
5.0 / 5.0
77.6% bachelor's degree or higher
Sterling Ranch experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 32°F in January while summers reach 73°F in July. Annual precipitation totals 18.2 inches. The area receives 62.2 inches of snow annually. Air quality is rated Moderate with a median AQI of 50.
Temperature
32°F Jan (-0°C)
73°F Jul (23°C)
| Annual Average | 50.2°F |
| 7% below US avg | |
| January Average | 32°F (-0°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 5,710 ft (1,740 m) |
| Area | 5.5 sq mi (14.3 km²) |
| Population Density | 458/sq mi |
| Coordinates | 39.4932°N, 105.0475°W |
| Timezone | America/Denver |
| County | Jefferson County County |
| Nearest Airport | Denver International (DEN) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 50.0 |
| Rating | Good |
| Good Days % | 52.5% |
| Unhealthy Days | 37 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0525 ppm |
| NO₂ (Nitrogen Dioxide) | 5.2 ppb |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 94.9 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 66.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (-0°C) | 0.6 in | Driest |
| February | 33°F (0°C) | 0.7 in | |
| March | 40°F (5°C) | 1.7 in | |
| April | 47°F (8°C) | 2.4 in | |
| May | 56°F (13°C) | 2.5 in | Wettest |
| June | 67°F (19°C) | 1.8 in | |
| July | 73°F (23°C) | 1.7 in | Warmest |
| August | 71°F (22°C) | 2.0 in | |
| September | 63°F (17°C) | 1.7 in | |
| October | 51°F (10°C) | 1.5 in | |
| November | 40°F (4°C) | 0.9 in | |
| December | 31°F (-0°C) | 0.7 in | Coldest |
Sterling Ranch has a seasonal temperature swing of 42°F / from 31°F in December to 73°F in July. Total annual precipitation is 18.2 inches, with May being the wettest month (2.5") and January the driest (0.6").