Mason, OH
Full City Profile · Ohio · Warren County County
3.9
/5.0
B+
Good
35,148
Population
1,804/sq mi density
$124,407
Median Income
$61,336 per capita
$397,900
Home Value
$509,626 Zillow
$1,670
Median Rent
23.0% income on rent
54°F
Avg Temperature
39
Violent Crime/100K
585 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$124,407 median income, 2.4% unemployment
A+
Affordability
4.9 / 5.0
$397,900 home value, $1,670/mo rent
F
Safety
1.0 / 5.0
39 violent crimes/100K
A+
Education
5.0 / 5.0
61.6% bachelor's degree or higher
Mason experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 76°F in July. Annual precipitation totals 44.5 inches. The area receives 14.4 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
31°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 837 ft (255 m) |
| Area | 18.7 sq mi (48.3 km²) |
| Population Density | 1,804/sq mi |
| Coordinates | 39.3517°N, 84.3020°W |
| Timezone | America/New_York |
| County | Warren County County |
| Nearest Airport | Butler County Regional/Hogan Field (HAO) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 73.2% |
| Unhealthy Days | 6 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0491 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 89.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 3.4 in | Coldest |
| February | 34°F (1°C) | 2.8 in | Driest |
| March | 43°F (6°C) | 3.9 in | |
| April | 54°F (12°C) | 4.7 in | |
| May | 64°F (18°C) | 4.9 in | Wettest |
| June | 72°F (22°C) | 4.6 in | |
| July | 76°F (24°C) | 3.8 in | Warmest |
| August | 74°F (23°C) | 3.7 in | |
| September | 67°F (19°C) | 3.0 in | |
| October | 55°F (13°C) | 3.2 in | |
| November | 43°F (6°C) | 3.1 in | |
| December | 35°F (1°C) | 3.5 in |
Mason has a seasonal temperature swing of 45°F / from 31°F in January to 76°F in July. Total annual precipitation is 44.6 inches, with May being the wettest month (4.9") and February the driest (2.8").