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Rio Grande, OH
Full City Profile · Ohio · Gallia County County
2.4
/5.0
C
Fair
808
Population
586/sq mi density
$40,721
Median Income
$17,959 per capita
$181,600
Home Value
$112,168 Zillow
$514
Median Rent
22.6% income on rent
55°F
Avg Temperature
293 sunny days/yr
261
Violent Crime/100K
1,305 property/100K
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.3 / 5.0
$40,721 median income, 4.4% unemployment
A
Affordability
4.2 / 5.0
$181,600 home value, $514/mo rent
F
Safety
1.0 / 5.0
261 violent crimes/100K
C
Education
2.3 / 5.0
16.3% bachelor's degree or higher
Rio Grande experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 32°F in January while summers reach 76°F in July. The area gets 293 sunny days per year. Annual precipitation totals 44.5 inches. Air quality is rated Good with a median AQI of 43.
Temperature
32°F Jan (0°C)
76°F Jul (24°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 32°F (0°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 652 ft (199 m) |
| Area | 1.4 sq mi (3.5 km²) |
| Population Density | 586/sq mi |
| Coordinates | 38.8802°N, 82.3794°W |
| Timezone | America/New_York |
| County | Gallia County County |
| Nearest Airport | Greater Portsmouth Regional (PMH) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 48.3 / 100 |
| Social Vulnerability | 75.9 / 100 |
| Community Resilience | 36.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 2.6 in | Coldest, Driest |
| February | 33°F (0°C) | 2.8 in | |
| March | 43°F (6°C) | 3.7 in | |
| April | 52°F (11°C) | 3.7 in | |
| May | 62°F (16°C) | 4.2 in | |
| June | 70°F (21°C) | 3.6 in | |
| July | 76°F (24°C) | 4.7 in | Warmest, Wettest |
| August | 73°F (23°C) | 4.0 in | |
| September | 66°F (19°C) | 3.2 in | |
| October | 55°F (13°C) | 2.8 in | |
| November | 44°F (7°C) | 3.2 in | |
| December | 35°F (2°C) | 3.2 in |
Rio Grande has a seasonal temperature swing of 44°F / from 32°F in January to 76°F in July. Total annual precipitation is 41.7 inches, with July being the wettest month (4.7") and January the driest (2.6").