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Weather & Climate in Lomira, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lomira 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, above the national average. Annual precipitation totals 32.4 inches. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 1,042 feet.
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 | 1,042 ft (318 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 1,219/sq mi |
| Coordinates | 43.5942°N, 88.4432°W |
| Timezone | America/Chicago |
| County | Fond du Lac County County |
| Nearest Airport | Wittman Regional (OSH) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.3 / 100 |
| Social Vulnerability | 16.6 / 100 |
| Community Resilience | 94.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very 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 | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
505 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 23 fatalities, 555 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 18, 1996 | EF5 | 19 km | 13.3 mi | 0 |
| Jul 5, 1994 | EF4 | 91 km | 3.5 mi | 0 |
| Apr 27, 1984 | EF4 | 69 km | 6.5 mi | 1 |
| Apr 27, 1984 | EF4 | 59 km | 27.5 mi | 1 |
| Apr 4, 1981 | EF4 | 27 km | 1.8 mi | 3 |
| Apr 21, 1974 | EF4 | 36 km | 26.0 mi | 0 |
| Aug 22, 1964 | EF4 | 49 km | 2.2 mi | 0 |
| Apr 3, 1956 | EF4 | 56 km | 11.5 mi | 7 |
| Sep 26, 1951 | EF4 | 67 km | 9.0 mi | 1 |
| Jun 23, 2004 | EF3 | 49 km | 33.3 mi | 0 |
| Jun 23, 2004 | EF3 | 42 km | 7.6 mi | 1 |
| Jun 8, 1984 | EF3 | 65 km | 29.0 mi | 0 |
| Jun 5, 1980 | EF3 | 58 km | 10.7 mi | 0 |
| Apr 7, 1980 | EF3 | 44 km | 1.2 mi | 0 |
| Jun 5, 1977 | EF3 | 34 km | 69.5 mi | 0 |
| Jun 4, 1975 | EF3 | 75 km | 2.3 mi | 0 |
| Apr 21, 1974 | EF3 | 25 km | 22.2 mi | 0 |
| Apr 21, 1974 | EF3 | 27 km | 58.6 mi | 2 |
| Dec 1, 1970 | EF3 | 84 km | 13.1 mi | 0 |
| Aug 2, 1967 | EF3 | 96 km | 0.1 mi | 2 |
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 | 16 km |
| 2010 | RX BURN | 1,236 | 16 km |
| 1994 | SOMMERS | 938 | 19 km |
| 1988 | PEACHY RD | 812 | 20 km |
| 2006 | UNNAMED | 612 | 20 km |
| 2007 | TOWER RD 2 | 592 | 20 km |
| 2024 | RX-HWY Y - SOUTH | 553 | 74 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
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 |
Lomira 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").