Weather & Climate in Fredonia, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fredonia has a cool climate with an average annual temperature of 45°F (7°C). Winters average 19°F in January while summers reach 70°F in July. Annual precipitation totals 31.9 inches. The area receives 42.3 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 37. 81% of days have good air quality. The city sits at an elevation of 847 feet.
Temperature
19°F Jan (-7°C)
70°F Jul (21°C)
| Annual Average | 45.1°F |
| 16% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 847 ft (258 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 1,063/sq mi |
| Coordinates | 43.4717°N, 87.9471°W |
| Timezone | America/Chicago |
| County | Ozaukee County County |
| Nearest Airport | General Mitchell International (MKE) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
| Good Days % | 80.9% |
| Unhealthy Days | 9 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 100.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.9.
| Mar 25, 2015 | 3 km WNW of Lake in the Hills, Illinois | M2.9 | 147 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
351 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 20 fatalities, 533 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 18, 1996 | EF5 | 60 km | 13.3 mi | 0 |
| Jul 5, 1994 | EF4 | 91 km | 3.5 mi | 0 |
| Apr 27, 1984 | EF4 | 65 km | 6.5 mi | 1 |
| Apr 27, 1984 | EF4 | 93 km | 27.5 mi | 1 |
| Apr 4, 1981 | EF4 | 21 km | 1.8 mi | 3 |
| Apr 21, 1974 | EF4 | 78 km | 26.0 mi | 0 |
| Aug 22, 1964 | EF4 | 10 km | 2.2 mi | 0 |
| Apr 3, 1956 | EF4 | 97 km | 11.5 mi | 7 |
| Jun 23, 2004 | EF3 | 84 km | 7.6 mi | 1 |
| Jun 23, 2004 | EF3 | 92 km | 33.3 mi | 0 |
| Jun 5, 1980 | EF3 | 77 km | 10.7 mi | 0 |
| Apr 7, 1980 | EF3 | 83 km | 1.2 mi | 0 |
| Jun 5, 1977 | EF3 | 74 km | 69.5 mi | 0 |
| Apr 21, 1974 | EF3 | 65 km | 22.2 mi | 0 |
| Apr 21, 1974 | EF3 | 65 km | 58.6 mi | 2 |
| Jun 25, 1950 | EF3 | 97 km | 0.1 mi | 0 |
| Aug 28, 2018 | EF2 | 49 km | 3.9 mi | 0 |
| Apr 10, 2011 | EF2 | 92 km | 1.5 mi | 0 |
| Jul 22, 2010 | EF2 | 71 km | 1.0 mi | 0 |
| Jun 21, 2010 | EF2 | 81 km | 5.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,524 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 1,524 | 54 km |
| 2010 | RX BURN | 1,236 | 54 km |
| 1994 | SOMMERS | 938 | 60 km |
| 1988 | PEACHY RD | 812 | 59 km |
| 2006 | UNNAMED | 612 | 61 km |
| 2007 | TOWER RD 2 | 592 | 59 km |
| 2024 | RX-HWY Y - SOUTH | 553 | 86 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.4 in | Coldest |
| February | 22°F (-6°C) | 1.3 in | Driest |
| March | 32°F (-0°C) | 2.0 in | |
| April | 43°F (6°C) | 3.6 in | |
| May | 53°F (12°C) | 3.7 in | |
| June | 64°F (18°C) | 3.9 in | Wettest |
| July | 70°F (21°C) | 3.5 in | Warmest |
| August | 68°F (20°C) | 3.3 in | |
| September | 61°F (16°C) | 2.8 in | |
| October | 49°F (9°C) | 2.7 in | |
| November | 36°F (2°C) | 2.0 in | |
| December | 25°F (-4°C) | 1.8 in |
Fredonia has a seasonal temperature swing of 50°F / from 19°F in January to 70°F in July. Total annual precipitation is 31.9 inches, with June being the wettest month (3.9") and February the driest (1.3").