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Bristol, WI
Full City Profile · Wisconsin · McHenry County County
3.6
/5.0
B+
Good
5,196
Population
159/sq mi density
$109,917
Median Income
$55,876 per capita
$288,800
Home Value
$436,442 Zillow
$1,213
Median Rent
17.2% income on rent
47°F
Avg Temperature
260 sunny days/yr
104
Violent Crime/100K
1,913 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$109,917 median income, 3.7% unemployment
A+
Affordability
5.0 / 5.0
$288,800 home value, $1,213/mo rent
F
Safety
1.0 / 5.0
104 violent crimes/100K
B+
Education
3.8 / 5.0
34.7% bachelor's degree or higher
Bristol experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 21°F in January while summers reach 72°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.5 inches. Air quality is rated Good with a median AQI of 38.
Temperature
21°F Jan (-6°C)
72°F Jul (22°C)
| Annual Average | 47.4°F |
| 12% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 751 ft (229 m) |
| Area | 9.0 sq mi (23.4 km²) |
| Population Density | 159/sq mi |
| Coordinates | 42.5323°N, 88.0091°W |
| Timezone | America/Chicago |
| County | McHenry County County |
| Nearest Airport | Kenosha Regional (ENW) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0484 ppm |
| PM2.5 (Fine Particles) | 9.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 84.0 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1954 | MICHIGAN CITY, IN (LAKE MICHIGAN) | Avalanche | 3.0 m | 7 | 131 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 1.6 in | Coldest |
| February | 24°F (-5°C) | 1.3 in | Driest |
| March | 34°F (1°C) | 2.4 in | |
| April | 46°F (8°C) | 3.6 in | |
| May | 57°F (14°C) | 3.2 in | |
| June | 66°F (19°C) | 3.9 in | |
| July | 72°F (22°C) | 4.0 in | Warmest, Wettest |
| August | 69°F (21°C) | 4.0 in | |
| September | 62°F (17°C) | 3.8 in | |
| October | 51°F (10°C) | 2.4 in | |
| November | 38°F (3°C) | 2.6 in | |
| December | 25°F (-4°C) | 2.1 in |
Bristol has a seasonal temperature swing of 51°F / from 21°F in January to 72°F in July. Total annual precipitation is 35.0 inches, with July being the wettest month (4.0") and February the driest (1.3").