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Annawan, IL
Full City Profile · Illinois · Bureau County County
3.4
/5.0
B
Good
955
Population
446/sq mi density
$71,250
Median Income
$38,039 per capita
$138,200
Home Value
$175,777 Zillow
$550
Median Rent
21.2% income on rent
50°F
Avg Temperature
275 sunny days/yr
117
Violent Crime/100K
586 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$71,250 median income, 4.0% unemployment
A+
Affordability
5.0 / 5.0
$138,200 home value, $550/mo rent
F
Safety
1.0 / 5.0
117 violent crimes/100K
B
Education
3.4 / 5.0
29.9% bachelor's degree or higher
Annawan experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.6 inches. The area receives 30.8 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
22°F Jan (-6°C)
74°F Jul (23°C)
| Annual Average | 49.6°F |
| 8% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 631 ft (192 m) |
| Area | 2.1 sq mi (5.5 km²) |
| Population Density | 446/sq mi |
| Coordinates | 41.3964°N, 89.8906°W |
| Timezone | America/Chicago |
| County | Bureau County County |
| Nearest Airport | Quad Cities International (MLI) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.3 / 100 |
| Social Vulnerability | 41.7 / 100 |
| Community Resilience | 80.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively 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) | 1.3 in | Driest |
| March | 38°F (3°C) | 2.7 in | |
| April | 50°F (10°C) | 3.8 in | |
| May | 62°F (16°C) | 4.2 in | |
| June | 71°F (22°C) | 4.4 in | Wettest |
| July | 74°F (23°C) | 4.0 in | Warmest |
| August | 72°F (22°C) | 4.2 in | |
| September | 65°F (18°C) | 3.6 in | |
| October | 53°F (12°C) | 2.8 in | |
| November | 39°F (4°C) | 2.6 in | |
| December | 26°F (-3°C) | 2.1 in |
Annawan has a seasonal temperature swing of 52°F / from 22°F in January to 74°F in July. Total annual precipitation is 37.2 inches, with June being the wettest month (4.4") and February the driest (1.3").