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Theresa, WI
Full City Profile · Wisconsin · Dodge County County
3.5
/5.0
B+
Good
1,320
Population
1,784/sq mi density
$70,959
Median Income
$38,082 per capita
$160,000
Home Value
$332,645 Zillow
$874
Median Rent
31.1% income on rent
47°F
Avg Temperature
260 sunny days/yr
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$70,959 median income, 5.0% unemployment
A+
Affordability
5.0 / 5.0
$160,000 home value, $874/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C+
Education
2.5 / 5.0
19.0% bachelor's degree or higher
Theresa experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 32.4 inches. Air quality is rated Good with a median AQI of 38.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 47.0°F |
| 13% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 934 ft (285 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 1,784/sq mi |
| Coordinates | 43.5168°N, 88.4538°W |
| Timezone | America/Chicago |
| County | Dodge County County |
| Nearest Airport | Wittman Regional (OSH) 34 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0423 ppm |
| SO₂ (Sulfur Dioxide) | 0.22 ppb |
| CO (Carbon Monoxide) | 0.21 ppm |
| PM2.5 (Fine Particles) | 9.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 69.9 / 100 |
| Social Vulnerability | 19.4 / 100 |
| Community Resilience | 92.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.1 in | Coldest |
| February | 21°F (-6°C) | 1.0 in | Driest |
| March | 32°F (-0°C) | 2.0 in | |
| April | 44°F (7°C) | 2.9 in | |
| May | 56°F (14°C) | 3.0 in | |
| June | 66°F (19°C) | 3.5 in | |
| July | 73°F (23°C) | 3.6 in | Warmest |
| August | 68°F (20°C) | 3.9 in | |
| September | 60°F (16°C) | 4.1 in | Wettest |
| October | 49°F (9°C) | 2.6 in | |
| November | 35°F (2°C) | 2.2 in | |
| December | 22°F (-6°C) | 1.6 in |
Theresa has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 31.5 inches, with September being the wettest month (4.1") and February the driest (1.0").