Cairo, OH
Full City Profile · Ohio · Allen County County
4.0
/5.0
A
Great
600
Population
2,143/sq mi density
$79,643
Median Income
$33,606 per capita
$107,900
Home Value
$141,643 Zillow
$850
Median Rent
17.1% income on rent
51°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
4.6 / 5.0
$79,643 median income, 1.6% unemployment
A+
Affordability
5.0 / 5.0
$107,900 home value, $850/mo rent
C
Education
2.4 / 5.0
17.0% bachelor's degree or higher
Cairo experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 27°F in January while summers reach 73°F in July. Annual precipitation totals 35.8 inches. The area receives 18.5 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
27°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 814 ft (248 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 2,143/sq mi |
| Coordinates | 40.8308°N, 84.0845°W |
| Timezone | America/New_York |
| County | Allen County County |
| Nearest Airport | Fort Wayne International (FWA) 59 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 76.6% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0470 ppm |
| SO₂ (Sulfur Dioxide) | 0.34 ppb |
| PM2.5 (Fine Particles) | 9.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 73.4 / 100 |
| Social Vulnerability | 42.3 / 100 |
| Community Resilience | 95.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.2 in | Coldest |
| February | 30°F (-1°C) | 1.9 in | Driest |
| March | 39°F (4°C) | 2.6 in | |
| April | 51°F (10°C) | 3.6 in | |
| May | 62°F (16°C) | 3.8 in | |
| June | 71°F (21°C) | 4.0 in | Wettest |
| July | 73°F (23°C) | 3.7 in | Warmest |
| August | 72°F (22°C) | 3.5 in | |
| September | 65°F (18°C) | 2.9 in | |
| October | 54°F (12°C) | 2.7 in | |
| November | 42°F (6°C) | 2.8 in | |
| December | 32°F (0°C) | 2.3 in |
Cairo has a seasonal temperature swing of 46°F / from 27°F in January to 73°F in July. Total annual precipitation is 35.8 inches, with June being the wettest month (4.0") and February the driest (1.9").