Mount Morris, IL
Full City Profile · Illinois · Ogle County County
3.6
/5.0
B+
Good
2,679
Population
1,717/sq mi density
$38,162
Median Income
$26,230 per capita
$117,600
Home Value
$153,652 Zillow
$487
Median Rent
29.7% income on rent
49°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$38,162 median income, 4.7% unemployment
A+
Affordability
5.0 / 5.0
$117,600 home value, $487/mo rent
C+
Education
2.9 / 5.0
23.9% bachelor's degree or higher
Mount Morris experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 22°F in January while summers reach 73°F in July. Annual precipitation totals 38.1 inches. The area receives 32.3 inches of snow annually.
Temperature
22°F Jan (-6°C)
73°F Jul (23°C)
| Annual Average | 49.3°F |
| 9% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 911 ft (278 m) |
| Area | 1.6 sq mi (4.0 km²) |
| Population Density | 1,717/sq mi |
| Coordinates | 42.0483°N, 89.4293°W |
| Timezone | America/Chicago |
| County | Ogle County County |
| Nearest Airport | Chicago/Rockford International (RFD) 20 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.1 / 100 |
| Social Vulnerability | 17.5 / 100 |
| Community Resilience | 86.1 / 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 | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.9 in | Coldest |
| February | 26°F (-4°C) | 1.7 in | Driest |
| March | 38°F (3°C) | 2.3 in | |
| April | 49°F (10°C) | 3.8 in | |
| May | 61°F (16°C) | 5.2 in | Wettest |
| June | 71°F (21°C) | 5.1 in | |
| July | 73°F (23°C) | 4.0 in | Warmest |
| August | 71°F (22°C) | 3.7 in | |
| September | 64°F (18°C) | 3.3 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 39°F (4°C) | 2.4 in | |
| December | 27°F (-3°C) | 2.0 in |
Mount Morris has a seasonal temperature swing of 51°F / from 22°F in January to 73°F in July. Total annual precipitation is 38.1 inches, with May being the wettest month (5.2") and February the driest (1.7").