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Derby, CO
Full City Profile · Colorado · Denver County County
2.9
/5.0
C+
Fair
8,692
Population
4,967/sq mi density
$78,696
Median Income
$28,073 per capita
$317,400
Home Value
$363,214 Zillow
$1,721
Median Rent
27.5% income on rent
51°F
Avg Temperature
330 sunny days/yr
256
Violent Crime/100K
2,894 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$78,696 median income, 3.1% unemployment
A
Affordability
4.4 / 5.0
$317,400 home value, $1,721/mo rent
F
Safety
1.0 / 5.0
256 violent crimes/100K
D
Education
1.8 / 5.0
10.3% bachelor's degree or higher
Derby experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 32°F in January while summers reach 75°F in July. The area gets 330 sunny days per year. Annual precipitation totals 15.4 inches. The area receives 49.0 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
32°F Jan (0°C)
75°F Jul (24°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 32°F (0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 5,126 ft (1,562 m) |
| Area | 1.8 sq mi (4.6 km²) |
| Population Density | 4,967/sq mi |
| Coordinates | 39.8408°N, 104.9163°W |
| Timezone | America/Denver |
| County | Denver County County |
| Nearest Airport | Denver International (DEN) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0480 ppm |
| NO₂ (Nitrogen Dioxide) | 26.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.77 ppb |
| CO (Carbon Monoxide) | 0.36 ppm |
| PM2.5 (Fine Particles) | 6.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.2 / 100 |
| Social Vulnerability | 17.8 / 100 |
| Community Resilience | 68.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 0.5 in | Driest |
| February | 34°F (1°C) | 0.5 in | |
| March | 41°F (5°C) | 1.4 in | |
| April | 48°F (9°C) | 2.0 in | |
| May | 58°F (14°C) | 2.5 in | Wettest |
| June | 68°F (20°C) | 1.8 in | |
| July | 75°F (24°C) | 1.9 in | Warmest |
| August | 71°F (22°C) | 1.6 in | |
| September | 63°F (17°C) | 1.4 in | |
| October | 51°F (11°C) | 1.1 in | |
| November | 38°F (3°C) | 1.0 in | |
| December | 31°F (-1°C) | 0.6 in | Coldest |
Derby has a seasonal temperature swing of 44°F / from 31°F in December to 75°F in July. Total annual precipitation is 16.3 inches, with May being the wettest month (2.5") and January the driest (0.5").