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Alamosa, CO
Full City Profile · Colorado · Alamosa County County
3.1
/5.0
B
Good
9,847
Population
1,236/sq mi density
$46,969
Median Income
$26,077 per capita
$200,200
Home Value
$307,005 Zillow
$881
Median Rent
28.8% income on rent
43°F
Avg Temperature
330 sunny days/yr
625
Violent Crime/100K
5,066 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$46,969 median income, 1.1% unemployment
A
Affordability
4.3 / 5.0
$200,200 home value, $881/mo rent
F
Safety
1.0 / 5.0
625 violent crimes/100K (64% above avg)
B
Education
3.4 / 5.0
29.7% bachelor's degree or higher
Alamosa has a cool climate with an average annual temperature of 43°F (6°C). Winters average 17°F in January while summers reach 65°F in July. The area gets 330 sunny days per year. Annual precipitation totals 7.3 inches. The area receives 30.0 inches of snow annually. Air quality is rated Good with a median AQI of 26.
Temperature
17°F Jan (-8°C)
65°F Jul (19°C)
| Annual Average | 42.6°F |
| 21% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 65°F (19°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 7,544 ft (2,299 m) |
| Area | 5.5 sq mi (14.3 km²) |
| Population Density | 1,236/sq mi |
| Coordinates | 37.4745°N, 105.8770°W |
| Timezone | America/Denver |
| County | Alamosa County County |
| Nearest Airport | San Luis Valley Regional/Bergman Field (ALS) 3 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
| Good Days % | 89.0% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 8.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 40.4 / 100 |
| Social Vulnerability | 93.3 / 100 |
| Community Resilience | 26.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 0.2 in | Coldest, Driest |
| February | 24°F (-4°C) | 0.2 in | |
| March | 34°F (1°C) | 0.5 in | |
| April | 42°F (5°C) | 0.5 in | |
| May | 51°F (10°C) | 0.8 in | |
| June | 59°F (15°C) | 0.7 in | |
| July | 65°F (19°C) | 1.3 in | Warmest |
| August | 62°F (17°C) | 1.7 in | Wettest |
| September | 55°F (13°C) | 1.1 in | |
| October | 44°F (7°C) | 0.8 in | |
| November | 31°F (-1°C) | 0.6 in | |
| December | 19°F (-7°C) | 0.3 in |
Alamosa has a seasonal temperature swing of 48°F / from 17°F in January to 65°F in July. Total annual precipitation is 8.7 inches, with August being the wettest month (1.7") and January the driest (0.2").