Weather & Climate in Patch Grove, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Patch Grove experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 18°F in January while summers reach 73°F in July. Annual precipitation totals 37.7 inches. The area receives 33.8 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 36. 72% of days have good air quality. The city sits at an elevation of 1,058 feet.
Temperature
18°F Jan (-8°C)
73°F Jul (23°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 1,058 ft (322 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 558/sq mi |
| Coordinates | 42.9403°N, 90.9723°W |
| Timezone | America/Chicago |
| County | Grant County County |
| Nearest Airport | Dubuque Regional (DBQ) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
| Good Days % | 71.9% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 61.1 / 100 |
| Social Vulnerability | 47.1 / 100 |
| Community Resilience | 63.9 / 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 Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
429 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 17 fatalities, 476 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 7, 1984 | EF5 | 81 km | 36.0 mi | 9 |
| May 15, 1968 | EF5 | 84 km | 13.1 mi | 5 |
| Mar 13, 1990 | EF4 | 87 km | 19.0 mi | 0 |
| Jul 3, 1983 | EF4 | 69 km | 0.5 mi | 0 |
| Aug 12, 1974 | EF4 | 78 km | 5.0 mi | 0 |
| Aug 7, 2021 | EF3 | 30 km | 9.4 mi | 0 |
| May 25, 2008 | EF3 | 94 km | 32.0 mi | 0 |
| Jul 27, 1995 | EF3 | 69 km | 20.0 mi | 0 |
| Jun 19, 1993 | EF3 | 74 km | 9.0 mi | 0 |
| Jun 19, 1993 | EF3 | 72 km | 14.0 mi | 0 |
| Jul 13, 1992 | EF3 | 86 km | 5.0 mi | 0 |
| May 8, 1988 | EF3 | 73 km | 16.0 mi | 0 |
| May 30, 1985 | EF3 | 47 km | 34.0 mi | 2 |
| Jun 5, 1980 | EF3 | 84 km | 26.9 mi | 0 |
| Jul 12, 1971 | EF3 | 84 km | 0.1 mi | 0 |
| Jun 24, 1971 | EF3 | 70 km | 0.1 mi | 1 |
| Sep 9, 1970 | EF3 | 55 km | 4.7 mi | 0 |
| Apr 16, 1967 | EF3 | 97 km | 27.8 mi | 0 |
| Sep 3, 1964 | EF3 | 40 km | 17.1 mi | 0 |
| May 7, 1964 | EF3 | 85 km | 2.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 1.2 in | Coldest, Driest |
| February | 23°F (-5°C) | 1.3 in | |
| March | 35°F (2°C) | 2.1 in | |
| April | 48°F (9°C) | 4.0 in | |
| May | 59°F (15°C) | 4.7 in | |
| June | 69°F (21°C) | 5.8 in | Wettest |
| July | 73°F (23°C) | 4.1 in | Warmest |
| August | 71°F (22°C) | 4.2 in | |
| September | 63°F (17°C) | 4.0 in | |
| October | 51°F (11°C) | 2.7 in | |
| November | 37°F (3°C) | 2.1 in | |
| December | 25°F (-4°C) | 1.6 in |
Patch Grove has a seasonal temperature swing of 55°F / from 18°F in January to 73°F in July. Total annual precipitation is 37.7 inches, with June being the wettest month (5.8") and January the driest (1.2").