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Deerfield, WI
Full City Profile · Wisconsin · Dane County County
3.8
/5.0
B+
Good
2,489
Population
1,147/sq mi density
$88,424
Median Income
$40,732 per capita
$292,500
Home Value
$407,459 Zillow
$1,043
Median Rent
26.3% income on rent
47°F
Avg Temperature
260 sunny days/yr
46
Violent Crime/100K
1,283 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$88,424 median income, 1.0% unemployment
A+
Affordability
4.8 / 5.0
$292,500 home value, $1,043/mo rent
F
Safety
1.0 / 5.0
46 violent crimes/100K
A
Education
4.4 / 5.0
42.7% bachelor's degree or higher
Deerfield experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 72°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.1 inches. The area receives 51.8 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
19°F Jan (-7°C)
72°F Jul (22°C)
| Annual Average | 47.0°F |
| 13% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 869 ft (265 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 1,147/sq mi |
| Coordinates | 43.0492°N, 89.0762°W |
| Timezone | America/Chicago |
| County | Dane County County |
| Nearest Airport | Dane County Regional/Truax Field (MSN) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0501 ppm |
| PM2.5 (Fine Particles) | 10.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.9 / 100 |
| Social Vulnerability | 15.9 / 100 |
| Community Resilience | 97.8 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Very High |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.2 in | Coldest |
| February | 22°F (-6°C) | 1.1 in | Driest |
| March | 33°F (1°C) | 2.1 in | |
| April | 46°F (8°C) | 3.2 in | |
| May | 58°F (14°C) | 3.2 in | |
| June | 67°F (20°C) | 3.9 in | |
| July | 72°F (22°C) | 3.9 in | Warmest |
| August | 69°F (21°C) | 3.9 in | Wettest |
| September | 61°F (16°C) | 3.7 in | |
| October | 50°F (10°C) | 2.4 in | |
| November | 36°F (2°C) | 2.3 in | |
| December | 23°F (-5°C) | 1.7 in |
Deerfield has a seasonal temperature swing of 53°F / from 19°F in January to 72°F in July. Total annual precipitation is 32.6 inches, with August being the wettest month (3.9") and February the driest (1.1").