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Tres Arroyos, NM
Full City Profile · New Mexico · Los Alamos County County
3.2
/5.0
B
Good
1,870
Population
203/sq mi density
$88,289
Median Income
$78,754 per capita
$702,100
Home Value
$570,822 Zillow
52°F
Avg Temperature
330 sunny days/yr
346
Violent Crime/100K
4,283 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$88,289 median income, 1.3% unemployment
C
Affordability
2.2 / 5.0
$702,100 home value, /mo rent
F
Safety
1.0 / 5.0
346 violent crimes/100K
A+
Education
5.0 / 5.0
62.8% bachelor's degree or higher
Tres Arroyos experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 32°F in January while summers reach 73°F in July. The area gets 330 sunny days per year. Annual precipitation totals 10.7 inches. Air quality is rated Good with a median AQI of 37.
Temperature
32°F Jan (0°C)
73°F Jul (23°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 32°F (0°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 6,584 ft (2,007 m) |
| Area | 9.2 sq mi (23.9 km²) |
| Population Density | 203/sq mi |
| Coordinates | 35.6798°N, 106.0399°W |
| Timezone | America/Denver |
| County | Los Alamos County County |
| Nearest Airport | Santa Fe Regional (SAF) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 3.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 99.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | No Rating |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 0.7 in | |
| February | 35°F (2°C) | 0.6 in | Driest |
| March | 42°F (5°C) | 0.7 in | |
| April | 49°F (9°C) | 0.6 in | |
| May | 58°F (14°C) | 0.9 in | |
| June | 68°F (20°C) | 1.1 in | |
| July | 73°F (23°C) | 2.4 in | Warmest |
| August | 70°F (21°C) | 2.6 in | Wettest |
| September | 64°F (18°C) | 1.7 in | |
| October | 53°F (11°C) | 1.1 in | |
| November | 40°F (5°C) | 0.8 in | |
| December | 32°F (-0°C) | 0.8 in | Coldest |
Tres Arroyos has a seasonal temperature swing of 42°F / from 32°F in December to 73°F in July. Total annual precipitation is 13.9 inches, with August being the wettest month (2.6") and February the driest (0.6").