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Weather & Climate in Plum City, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Plum City has a cool climate with an average annual temperature of 42°F (6°C). Winters average 12°F in January while summers reach 68°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 35.9 inches. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 829 feet.
Temperature
12°F Jan (-11°C)
68°F Jul (20°C)
| Annual Average | 42.3°F |
| 22% below US avg | |
| January Average | 12°F (-11°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 829 ft (253 m) |
| Area | 1.0 sq mi (2.7 km²) |
| Population Density | 560/sq mi |
| Coordinates | 44.6356°N, 92.1917°W |
| Timezone | America/Chicago |
| County | Pierce County County |
| Nearest Airport | Chippewa Valley Regional (EAU) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 42.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 53.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
446 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 50 fatalities, 788 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 1958 | EF5 | 31 km | 33.7 mi | 21 |
| Jul 30, 1977 | EF4 | 73 km | 19.0 mi | 0 |
| May 6, 1965 | EF4 | 96 km | 6.8 mi | 3 |
| Sep 16, 1962 | EF4 | 77 km | 0.5 mi | 0 |
| Jun 4, 1958 | EF4 | 74 km | 59.2 mi | 4 |
| Jun 4, 1958 | EF4 | 66 km | 11.1 mi | 3 |
| Sep 24, 2019 | EF3 | 47 km | 7.0 mi | 0 |
| May 16, 2017 | EF3 | 69 km | 82.5 mi | 1 |
| May 25, 2008 | EF3 | 91 km | 6.0 mi | 1 |
| May 15, 1998 | EF3 | 30 km | 8.0 mi | 0 |
| Aug 27, 1994 | EF3 | 61 km | 10.0 mi | 2 |
| Jul 27, 1987 | EF3 | 43 km | 30.0 mi | 0 |
| Apr 26, 1984 | EF3 | 92 km | 5.5 mi | 1 |
| Jun 14, 1981 | EF3 | 88 km | 16.2 mi | 1 |
| Jul 15, 1980 | EF3 | 57 km | 1.0 mi | 1 |
| Jul 30, 1977 | EF3 | 60 km | 9.1 mi | 0 |
| Sep 28, 1971 | EF3 | 97 km | 49.6 mi | 0 |
| May 26, 1959 | EF3 | 94 km | 34.3 mi | 0 |
| Jun 4, 1958 | EF3 | 88 km | 4.3 mi | 0 |
| May 24, 1958 | EF3 | 83 km | 59.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: BEAVER CUTOFF (982 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | BEAVER CUTOFF | 982 | 56 km |
| 2004 | EAGAN | 925 | 83 km |
| 1990 | UNNAMED | 598 | 96 km |
| 1990 | UNNAMED | 513 | 87 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 12°F (-11°C) | 1.0 in | Coldest |
| February | 19°F (-7°C) | 0.8 in | Driest |
| March | 31°F (-1°C) | 1.8 in | |
| April | 46°F (8°C) | 3.0 in | |
| May | 58°F (14°C) | 3.4 in | |
| June | 67°F (19°C) | 4.1 in | |
| July | 68°F (20°C) | 4.3 in | Wettest |
| August | 69°F (20°C) | 3.9 in | Warmest |
| September | 60°F (15°C) | 3.7 in | |
| October | 48°F (9°C) | 2.5 in | |
| November | 33°F (0°C) | 1.7 in | |
| December | 19°F (-7°C) | 1.1 in |
Plum City has a seasonal temperature swing of 57°F / from 12°F in January to 69°F in August. Total annual precipitation is 31.2 inches, with July being the wettest month (4.3") and February the driest (0.8").