All Countries
Revillo, SD
Full City Profile · South Dakota · Grant County County
2.7
/5.0
C+
Fair
92
Population
541/sq mi density
$53,621
Median Income
$40,361 per capita
43°F
Avg Temperature
276 sunny days/yr
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$53,621 median income, 2.3% unemployment
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.1 / 5.0
13.5% bachelor's degree or higher
Revillo has a cool climate with an average annual temperature of 43°F (6°C). Winters average 12°F in January while summers reach 71°F in July. The area gets 276 sunny days per year. Annual precipitation totals 25.4 inches. Air quality is rated Good with a median AQI of 35.
Temperature
12°F Jan (-11°C)
71°F Jul (21°C)
| Annual Average | 43.0°F |
| 20% below US avg | |
| January Average | 12°F (-11°C) |
| July Average | 71°F (21°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,202 ft (366 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 541/sq mi |
| Coordinates | 45.0153°N, 96.5711°W |
| Timezone | America/Chicago |
| County | Grant County County |
| Nearest Airport | Watertown Regional (ATY) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 18.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 78.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 12°F (-11°C) | 0.6 in | Coldest |
| February | 18°F (-8°C) | 0.5 in | |
| March | 30°F (-1°C) | 1.4 in | |
| April | 45°F (7°C) | 2.3 in | |
| May | 58°F (15°C) | 2.6 in | |
| June | 68°F (20°C) | 3.6 in | Wettest |
| July | 71°F (21°C) | 3.4 in | Warmest |
| August | 70°F (21°C) | 2.8 in | |
| September | 60°F (16°C) | 2.1 in | |
| October | 48°F (9°C) | 2.0 in | |
| November | 31°F (-1°C) | 1.1 in | |
| December | 17°F (-8°C) | 0.4 in | Driest |
Revillo has a seasonal temperature swing of 58°F / from 12°F in January to 71°F in July. Total annual precipitation is 22.9 inches, with June being the wettest month (3.6") and December the driest (0.4").