Keystone, CO
Full City Profile · Colorado · Clear Creek County County
3.3
/5.0
B
Good
1,111
Population
27/sq mi density
$51,369
Median Income
$43,631 per capita
$1,264,500
Home Value
$830,815 Zillow
$861
Median Rent
23.2% income on rent
36°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$51,369 median income, 1.9% unemployment
F
Affordability
1.0 / 5.0
$1,264,500 home value, $861/mo rent
A+
Education
5.0 / 5.0
50.5% bachelor's degree or higher
Keystone has a cool climate with an average annual temperature of 36°F (2°C). Winters average 16°F in January while summers reach 57°F in July. Annual precipitation totals 14.9 inches. The area receives 115.5 inches of snow annually. Air quality is rated Good with a median AQI of 49.
Temperature
16°F Jan (-9°C)
57°F Jul (14°C)
| Annual Average | 35.5°F |
| 34% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 57°F (14°C) |
Geography
| Elevation | 11,640 ft (3,548 m) |
| Area | 40.6 sq mi (105.2 km²) |
| Population Density | 27/sq mi |
| Coordinates | 39.5739°N, 105.9347°W |
| Timezone | America/Denver |
| County | Clear Creek County County |
| Nearest Airport | Eagle County Regional (EGE) 52 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 49.0 |
| Rating | Good |
| Good Days % | 57.5% |
| Unhealthy Days | 10 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0562 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 46.7 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 51.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 1.0 in | Coldest |
| February | 19°F (-8°C) | 1.0 in | |
| March | 26°F (-4°C) | 1.2 in | |
| April | 33°F (0°C) | 1.4 in | |
| May | 42°F (5°C) | 1.3 in | |
| June | 51°F (10°C) | 1.1 in | |
| July | 57°F (14°C) | 1.9 in | Warmest |
| August | 55°F (13°C) | 1.9 in | Wettest |
| September | 48°F (9°C) | 1.4 in | |
| October | 37°F (3°C) | 1.0 in | |
| November | 26°F (-3°C) | 0.9 in | |
| December | 17°F (-8°C) | 0.9 in | Driest |
Keystone has a seasonal temperature swing of 40°F / from 16°F in January to 57°F in July. Total annual precipitation is 14.9 inches, with August being the wettest month (1.9") and December the driest (0.9").