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 Average
44.8°F
17% below US avg
January Average
17°F (-9°C)
July Average
70°F (21°C)
Sunny Days
270 days/yr
Geography
Elevation
878 ft (268 m)
Area
35.7 sq mi (92.5 km²)
Population Density
361/sq mi
Coordinates
44.2841°N, 88.5473°W
Timezone
America/Chicago
County
Outagamie County County
Nearest Airport
Appleton International (ATW) 2 miles away
Precipitation & Snow
Annual Rainfall34.9"
8% below US avg
Snowfall45.9"
Wettest Month (Aug)3.90"
Driest Month (Feb)1.02"
Air Quality
AQI Median
38.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
79.7 / 100
Social Vulnerability
11.4 / 100
Community Resilience
96.7 / 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").