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Frederick, CO
Full City Profile · Colorado · Weld County County
3.9
/5.0
B+
Good
15,893
Population
1,045/sq mi density
$135,316
Median Income
$51,107 per capita
$529,800
Home Value
$542,688 Zillow
$2,252
Median Rent
30.2% income on rent
52°F
Avg Temperature
316 sunny days/yr
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$135,316 median income, 2.4% unemployment
A
Affordability
4.5 / 5.0
$529,800 home value, $2,252/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
B+
Education
3.9 / 5.0
36.5% bachelor's degree or higher
Frederick experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 76°F in July. The area gets 316 sunny days per year. Annual precipitation totals 14.7 inches. The area receives 34.9 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
31°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 4,949 ft (1,508 m) |
| Area | 13.6 sq mi (35.1 km²) |
| Population Density | 1,045/sq mi |
| Coordinates | 40.1059°N, 104.9745°W |
| Timezone | America/Denver |
| County | Weld County County |
| Nearest Airport | Denver International (DEN) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0491 ppm |
| NO₂ (Nitrogen Dioxide) | 11.5 ppb |
| CO (Carbon Monoxide) | 0.20 ppm |
| PM2.5 (Fine Particles) | 7.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.2 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 56.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 0.5 in | Driest |
| February | 33°F (1°C) | 0.5 in | |
| March | 40°F (5°C) | 1.5 in | |
| April | 48°F (9°C) | 2.0 in | |
| May | 57°F (14°C) | 2.6 in | Wettest |
| June | 67°F (20°C) | 1.9 in | |
| July | 76°F (24°C) | 1.8 in | Warmest |
| August | 71°F (22°C) | 1.5 in | |
| September | 62°F (17°C) | 1.4 in | |
| October | 50°F (10°C) | 1.0 in | |
| November | 37°F (3°C) | 1.0 in | |
| December | 29°F (-2°C) | 0.6 in | Coldest |
Frederick has a seasonal temperature swing of 46°F / from 29°F in December to 76°F in July. Total annual precipitation is 16.1 inches, with May being the wettest month (2.6") and January the driest (0.5").