All Countries
Peru, IL
Full City Profile · Illinois · Putnam County County
3.3
/5.0
B
Good
9,863
Population
956/sq mi density
$68,147
Median Income
$40,131 per capita
$155,600
Home Value
$174,202 Zillow
$879
Median Rent
23.7% income on rent
50°F
Avg Temperature
275 sunny days/yr
195
Violent Crime/100K
1,664 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$68,147 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$155,600 home value, $879/mo rent
F
Safety
1.0 / 5.0
195 violent crimes/100K
C+
Education
2.7 / 5.0
21.3% bachelor's degree or higher
Peru experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.1 inches. The area receives 28.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
22°F Jan (-6°C)
73°F Jul (23°C)
| Annual Average | 49.6°F |
| 8% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 642 ft (196 m) |
| Area | 6.2 sq mi (16.0 km²) |
| Population Density | 956/sq mi |
| Coordinates | 41.3492°N, 89.1386°W |
| Timezone | America/Chicago |
| County | Putnam County County |
| Nearest Airport | Illinois Valley Regional-Walter A Duncan Field (VYS) 1 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 9.2 / 100 |
| Social Vulnerability | 34.8 / 100 |
| Community Resilience | 79.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.4 in | Coldest |
| February | 26°F (-4°C) | 1.2 in | Driest |
| March | 37°F (3°C) | 2.6 in | |
| April | 49°F (10°C) | 3.6 in | |
| May | 61°F (16°C) | 3.9 in | |
| June | 70°F (21°C) | 4.2 in | Wettest |
| July | 73°F (23°C) | 3.8 in | Warmest |
| August | 72°F (22°C) | 3.9 in | |
| September | 64°F (18°C) | 3.8 in | |
| October | 53°F (11°C) | 2.6 in | |
| November | 39°F (4°C) | 2.7 in | |
| December | 26°F (-3°C) | 2.1 in |
Peru has a seasonal temperature swing of 51°F / from 22°F in January to 73°F in July. Total annual precipitation is 35.7 inches, with June being the wettest month (4.2") and February the driest (1.2").