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Weather & Climate in Elderon, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Elderon has a cool climate with an average annual temperature of 44°F (7°C). Winters average 15°F in January while summers reach 70°F in July. The area gets 270 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 34.0 inches. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 1,196 feet.
Temperature
15°F Jan (-9°C)
70°F Jul (21°C)
| Annual Average | 44.3°F |
| 18% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 1,196 ft (365 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 127/sq mi |
| Coordinates | 44.7874°N, 89.2521°W |
| Timezone | America/Chicago |
| County | Portage County County |
| Nearest Airport | Appleton International (ATW) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.7 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 85.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | No Rating |
| 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 Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | 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: M2.5.
| Jan 7, 2024 | 3 km NE of Mole Lake, Wisconsin | M2.5 | 83 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
296 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 24 fatalities, 240 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 27, 1984 | EF4 | 88 km | 27.5 mi | 1 |
| Aug 31, 1977 | EF4 | 67 km | 31.8 mi | 0 |
| Aug 19, 1968 | EF4 | 98 km | 21.8 mi | 2 |
| Apr 3, 1956 | EF4 | 98 km | 11.5 mi | 7 |
| Sep 26, 1951 | EF4 | 51 km | 26.4 mi | 6 |
| Jun 25, 1950 | EF4 | 92 km | 13.1 mi | 2 |
| Apr 10, 2011 | EF3 | 62 km | 21.2 mi | 0 |
| Jun 7, 2007 | EF3 | 32 km | 40.0 mi | 0 |
| Aug 27, 1994 | EF3 | 93 km | 10.5 mi | 2 |
| Aug 29, 1992 | EF3 | 83 km | 28.0 mi | 1 |
| Apr 27, 1984 | EF3 | 39 km | 32.0 mi | 0 |
| Sep 28, 1971 | EF3 | 40 km | 78.4 mi | 0 |
| Dec 1, 1970 | EF3 | 70 km | 13.1 mi | 0 |
| Jun 26, 1969 | EF3 | 75 km | 15.3 mi | 0 |
| May 3, 1955 | EF3 | 71 km | 6.8 mi | 0 |
| Jun 25, 1950 | EF3 | 96 km | 0.1 mi | 0 |
| Aug 6, 2013 | EF2 | 59 km | 13.1 mi | 0 |
| Aug 23, 2011 | EF2 | 97 km | 7.6 mi | 0 |
| Apr 10, 2011 | EF2 | 97 km | 1.5 mi | 0 |
| Jun 7, 2007 | EF2 | 18 km | 7.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
5 wildfires (100+ acres) recorded within 100 km. Largest: COTTONVILLE INCIDENT (3,466 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | COTTONVILLE INCIDENT | 3,466 | 85 km |
| 2024 | 2024 DOD HARDWOOD RANGE RX | 2,717 | 90 km |
| 2023 | 2023 RX | 1,992 | 90 km |
| 2021 | 2021 DOD HARDWOOD RANGE RX | 987 | 91 km |
| 2006 | PR 17 RX FIRE | 701 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-9°C) | 1.0 in | Coldest |
| February | 18°F (-8°C) | 0.9 in | Driest |
| March | 29°F (-2°C) | 1.8 in | |
| April | 43°F (6°C) | 2.8 in | |
| May | 55°F (13°C) | 3.6 in | |
| June | 64°F (18°C) | 3.5 in | |
| July | 70°F (21°C) | 3.9 in | Warmest |
| August | 66°F (19°C) | 4.0 in | Wettest |
| September | 58°F (14°C) | 4.0 in | |
| October | 46°F (8°C) | 2.5 in | |
| November | 32°F (-0°C) | 2.1 in | |
| December | 18°F (-8°C) | 1.3 in |
Elderon has a seasonal temperature swing of 54°F / from 15°F in January to 70°F in July. Total annual precipitation is 31.4 inches, with August being the wettest month (4.0") and February the driest (0.9").