South Fork, CO
Full City Profile · Colorado · Rio Grande County County
3.1
/5.0
B
Good
615
Population
242/sq mi density
$75,938
Median Income
$42,323 per capita
$381,600
Home Value
$449,112 Zillow
$874
Median Rent
20.2% income on rent
44°F
Avg Temperature
396
Violent Crime/100K
3,366 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$75,938 median income, 7.4% unemployment
B+
Affordability
3.8 / 5.0
$381,600 home value, $874/mo rent
F
Safety
1.0 / 5.0
396 violent crimes/100K (4% above avg)
A
Education
4.0 / 5.0
37.7% bachelor's degree or higher
South Fork has a cool climate with an average annual temperature of 44°F (7°C). Winters average 21°F in January while summers reach 65°F in July. Annual precipitation totals 17.4 inches. The area receives 38.6 inches of snow annually.
Temperature
21°F Jan (-6°C)
65°F Jul (18°C)
| Annual Average | 43.9°F |
| 19% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 65°F (18°C) |
Geography
| Elevation | 8,215 ft (2,504 m) |
| Area | 2.5 sq mi (6.4 km²) |
| Population Density | 242/sq mi |
| Coordinates | 37.6692°N, 106.6429°W |
| Timezone | America/Denver |
| County | Rio Grande County County |
| Nearest Airport | San Luis Valley Regional/Bergman Field (ALS) 45 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 45.8 / 100 |
| Social Vulnerability | 91.5 / 100 |
| Community Resilience | 7.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 0.8 in | Coldest, Driest |
| February | 27°F (-3°C) | 1.3 in | |
| March | 36°F (2°C) | 1.3 in | |
| April | 43°F (6°C) | 1.3 in | |
| May | 52°F (11°C) | 1.1 in | |
| June | 61°F (16°C) | 0.8 in | |
| July | 65°F (18°C) | 2.6 in | Warmest, Wettest |
| August | 64°F (18°C) | 2.5 in | |
| September | 57°F (14°C) | 2.1 in | |
| October | 46°F (8°C) | 1.5 in | |
| November | 33°F (1°C) | 1.3 in | |
| December | 23°F (-5°C) | 1.0 in |
South Fork has a seasonal temperature swing of 44°F / from 21°F in January to 65°F in July. Total annual precipitation is 17.4 inches, with July being the wettest month (2.6") and January the driest (0.8").