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Weather & Climate in Greenville, WI

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Greenville has a cool climate with an average annual temperature of 45°F (7°C). Winters average 17°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 34.9 inches. The area receives 45.9 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 878 feet.

Temperature

17°F Jan (-9°C) 70°F Jul (21°C)
Annual Average44.8°F
17% below US avg
January Average17°F (-9°C)
July Average70°F (21°C)
Sunny Days270 days/yr

Geography

Elevation878 ft (268 m)
Area35.7 sq mi (92.5 km²)
Population Density361/sq mi
Coordinates44.2841°N, 88.5473°W
TimezoneAmerica/Chicago
CountyOutagamie County County
Nearest AirportAppleton International (ATW)
2 miles away

Precipitation & Snow

Annual Rainfall 34.9"
8% below US avg
Snowfall 45.9"
Wettest Month (Aug) 3.90"
Driest Month (Feb) 1.02"

Air Quality

AQI Median38.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score79.7 / 100
Social Vulnerability11.4 / 100
Community Resilience96.7 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Moderate
Hail Relatively Moderate
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Relatively Moderate
Lightning Relatively High
Ice Storm Relatively Low
Drought No Rating
Cold Wave Relatively High
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.9.

Aug 2, 2024 38 km ESE of Sturgeon Bay, Wisconsin M2.9 135 km 11 km
Jan 7, 2024 3 km NE of Mole Lake, Wisconsin M2.5 140 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

411 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 27 fatalities, 308 injuries.

Date Rating Distance Path Fatalities
Jul 18, 1996 EF5 65 km 13.3 mi 0
Jul 5, 1994 EF4 58 km 3.5 mi 0
Apr 27, 1984 EF4 28 km 27.5 mi 1
Apr 4, 1981 EF4 99 km 1.8 mi 3
Apr 21, 1974 EF4 64 km 26.0 mi 0
Aug 19, 1968 EF4 96 km 21.8 mi 2
Apr 3, 1956 EF4 52 km 11.5 mi 7
Sep 26, 1951 EF4 60 km 26.4 mi 6
Jun 7, 2007 EF3 88 km 40.0 mi 0
Jun 23, 2004 EF3 74 km 33.3 mi 0
Jun 23, 2004 EF3 76 km 7.6 mi 1
Aug 29, 1992 EF3 81 km 28.0 mi 1
Apr 27, 1984 EF3 40 km 32.0 mi 0
Apr 7, 1980 EF3 96 km 1.2 mi 0
Jun 5, 1977 EF3 54 km 69.5 mi 0
Apr 21, 1974 EF3 83 km 22.2 mi 0
Apr 21, 1974 EF3 89 km 58.6 mi 2
Dec 1, 1970 EF3 10 km 13.1 mi 0
Jun 26, 1969 EF3 27 km 15.3 mi 0
Jun 25, 1950 EF3 49 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

7 wildfires (100+ acres) recorded within 100 km. Largest: COTTONVILLE INCIDENT (3,466 acres, 2005).

Year Name Acres Burned Distance
2005 COTTONVILLE INCIDENT 3,466 97 km
2006 UNNAMED 1,524 85 km
2010 RX BURN 1,236 85 km
1994 SOMMERS 938 81 km
1988 PEACHY RD 812 84 km
2006 UNNAMED 612 79 km
2007 TOWER RD 2 592 84 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 17°F (-9°C) 1.3 in Coldest
February 20°F (-7°C) 1.0 in Driest
March 31°F (-1°C) 2.0 in
April 44°F (7°C) 2.7 in
May 57°F (14°C) 3.4 in
June 66°F (19°C) 3.5 in
July 70°F (21°C) 3.5 in Warmest
August 68°F (20°C) 3.9 in Wettest
September 60°F (15°C) 3.5 in
October 48°F (9°C) 2.4 in
November 34°F (1°C) 2.2 in
December 21°F (-6°C) 1.5 in

Greenville has a seasonal temperature swing of 54°F / from 17°F in January to 70°F in July. Total annual precipitation is 30.8 inches, with August being the wettest month (3.9") and February the driest (1.0").

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