Grammer, IN
Full City Profile · Indiana · Bartholomew County County
5.0
/5.0
A+
Excellent
298
Population
1,192/sq mi density
54°F
Avg Temperature
A+
Overall
5.0 / 5.0
Strong
A+
Education
5.0 / 5.0
54.1% bachelor's degree or higher
Grammer experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 30°F in January while summers reach 76°F in July. Annual precipitation totals 47.3 inches. The area receives 16.3 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
30°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 54.1°F |
| 0% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 723 ft (220 m) |
| Area | 0.3 sq mi (0.6 km²) |
| Population Density | 1,192/sq mi |
| Coordinates | 39.1526°N, 85.7259°W |
| Timezone | America/Indiana/Indianapolis |
| County | Bartholomew County County |
| Nearest Airport | Indianapolis International (IND) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 71.6% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0487 ppm |
| PM2.5 (Fine Particles) | 8.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 70.9 / 100 |
| Social Vulnerability | 23.1 / 100 |
| Community Resilience | 78.5 / 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 Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.4 in | Coldest |
| February | 33°F (1°C) | 2.9 in | Driest |
| March | 43°F (6°C) | 3.8 in | |
| April | 54°F (12°C) | 5.0 in | |
| May | 64°F (18°C) | 5.0 in | |
| June | 73°F (23°C) | 5.3 in | Wettest |
| July | 76°F (24°C) | 4.5 in | Warmest |
| August | 74°F (24°C) | 3.5 in | |
| September | 68°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 3.4 in | |
| November | 44°F (7°C) | 3.6 in | |
| December | 35°F (1°C) | 3.7 in |
Grammer has a seasonal temperature swing of 46°F / from 30°F in January to 76°F in July. Total annual precipitation is 47.3 inches, with June being the wettest month (5.3") and February the driest (2.9").