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Weather & Climate in Wiota, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wiota experiences four distinct seasons with an average annual temperature of 47°F (9°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 39.7 inches. The area receives 41.5 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 1,024 feet.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,024 ft (312 m) |
| Area | 2.0 sq mi (5.2 km²) |
| Population Density | 35/sq mi |
| Coordinates | 42.6367°N, 89.9493°W |
| Timezone | America/Chicago |
| County | Green County County |
| Nearest Airport | Tri-County Regional (LNR) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 46.4 / 100 |
| Social Vulnerability | 17.8 / 100 |
| Community Resilience | 81.9 / 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 Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 10, 2010 | 2 km NW of Lily Lake, Illinois | M3.8 | 141 km | 10 km |
| Sep 2, 1999 | 8 km W of Amboy, Illinois | M3.5 | 110 km | 5 km |
| Mar 25, 2015 | 3 km WNW of Lake in the Hills, Illinois | M2.9 | 139 km | 6 km |
| Jun 10, 2013 | 4 km NNE of Virgil, Illinois | M2.6 | 139 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
502 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 44 fatalities, 991 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 7, 1984 | EF5 | 37 km | 36.0 mi | 9 |
| Jul 3, 1983 | EF4 | 40 km | 0.5 mi | 0 |
| Apr 21, 1967 | EF4 | 96 km | 25.5 mi | 24 |
| Aug 7, 2021 | EF3 | 83 km | 9.4 mi | 0 |
| Jun 16, 2014 | EF3 | 52 km | 1.0 mi | 0 |
| Jan 7, 2008 | EF3 | 96 km | 13.2 mi | 0 |
| Aug 18, 2005 | EF3 | 53 km | 18.6 mi | 1 |
| Jun 19, 1993 | EF3 | 72 km | 14.0 mi | 0 |
| Jun 17, 1992 | EF3 | 44 km | 16.0 mi | 0 |
| May 8, 1988 | EF3 | 24 km | 16.0 mi | 0 |
| Aug 5, 1979 | EF3 | 75 km | 5.7 mi | 0 |
| Jun 4, 1975 | EF3 | 88 km | 2.3 mi | 0 |
| Jun 20, 1974 | EF3 | 78 km | 10.6 mi | 1 |
| Sep 9, 1970 | EF3 | 61 km | 4.7 mi | 0 |
| Aug 2, 1967 | EF3 | 68 km | 0.1 mi | 2 |
| Apr 16, 1967 | EF3 | 13 km | 27.8 mi | 0 |
| Jan 24, 1967 | EF3 | 66 km | 7.4 mi | 0 |
| Jan 24, 1967 | EF3 | 48 km | 24.9 mi | 0 |
| Sep 3, 1964 | EF3 | 84 km | 17.1 mi | 0 |
| Aug 16, 1963 | EF3 | 76 km | 9.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 wildfires (100+ acres) recorded within 100 km. Largest: 2018 BADGER RX BURNS (659 acres, 2018).
| Year | Name | Acres Burned | Distance |
| 2018 | 2018 BADGER RX BURNS | 659 | 84 km |
| 2019 | 2019 BADGER RX BURNS | 627 | 83 km |
| 2009 | COLD SPRINGS | 552 | 27 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.1 in | Coldest, Driest |
| February | 22°F (-6°C) | 1.1 in | |
| March | 34°F (1°C) | 2.3 in | |
| April | 47°F (8°C) | 3.2 in | |
| May | 58°F (15°C) | 3.5 in | |
| June | 68°F (20°C) | 4.1 in | |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 69°F (21°C) | 4.2 in | Wettest |
| September | 62°F (16°C) | 3.9 in | |
| October | 50°F (10°C) | 2.5 in | |
| November | 36°F (2°C) | 2.3 in | |
| December | 23°F (-5°C) | 1.7 in |
Wiota has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 33.9 inches, with August being the wettest month (4.2") and January the driest (1.1").