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Louisville, CO
Full City Profile · Colorado · Broomfield County County
3.6
/5.0
B+
Good
20,788
Population
2,608/sq mi density
$149,159
Median Income
$69,015 per capita
$835,000
Home Value
$822,072 Zillow
$2,069
Median Rent
24.6% income on rent
52°F
Avg Temperature
326 sunny days/yr
74
Violent Crime/100K
1,398 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$149,159 median income, 2.4% unemployment
B+
Affordability
3.5 / 5.0
$835,000 home value, $2,069/mo rent
F
Safety
1.0 / 5.0
74 violent crimes/100K
A+
Education
5.0 / 5.0
68.1% bachelor's degree or higher
Louisville experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 34°F in January while summers reach 73°F in July. The area gets 326 sunny days per year. Annual precipitation totals 21.2 inches. The area receives 92.8 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
34°F Jan (1°C)
73°F Jul (23°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 5,390 ft (1,643 m) |
| Area | 8.0 sq mi (20.7 km²) |
| Population Density | 2,608/sq mi |
| Coordinates | 39.9696°N, 105.1433°W |
| Timezone | America/Denver |
| County | Broomfield County County |
| Nearest Airport | Denver International (DEN) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 34.7 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 81.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 0.6 in | Driest |
| February | 35°F (1°C) | 0.6 in | |
| March | 40°F (5°C) | 1.7 in | |
| April | 47°F (9°C) | 2.3 in | |
| May | 57°F (14°C) | 2.7 in | Wettest |
| June | 67°F (19°C) | 1.9 in | |
| July | 73°F (23°C) | 1.9 in | Warmest |
| August | 71°F (22°C) | 1.6 in | |
| September | 62°F (17°C) | 1.5 in | |
| October | 51°F (11°C) | 1.1 in | |
| November | 38°F (4°C) | 1.2 in | |
| December | 32°F (0°C) | 0.7 in | Coldest |
Louisville has a seasonal temperature swing of 41°F / from 32°F in December to 73°F in July. Total annual precipitation is 17.8 inches, with May being the wettest month (2.7") and January the driest (0.6").