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Weather & Climate in Combined Locks, WI

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

Combined Locks experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 18°F in January while summers reach 71°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 33.2 inches. The area receives 49.4 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 671 feet.

Temperature

18°F Jan (-8°C) 71°F Jul (22°C)
Annual Average45.6°F
16% below US avg
January Average18°F (-8°C)
July Average71°F (22°C)
Sunny Days270 days/yr

Geography

Elevation671 ft (205 m)
Area1.9 sq mi (4.9 km²)
Population Density2,112/sq mi
Coordinates44.2620°N, 88.3095°W
TimezoneAmerica/Chicago
CountyOutagamie County County
Nearest AirportAppleton International (ATW)
10 miles away

Precipitation & Snow

Annual Rainfall 33.2"
13% below US avg
Snowfall 49.4"
Wettest Month (Aug) 3.62"
Driest Month (Feb) 0.98"

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 M2.9 118 km 11 km
Jan 7, 2024 3 km NE of Mole Lake, Wisconsin M2.5 147 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

367 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 27 fatalities, 285 injuries.

Date Rating Distance Path Fatalities
Jul 18, 1996 EF5 67 km 13.3 mi 0
Jul 5, 1994 EF4 39 km 3.5 mi 0
Apr 27, 1984 EF4 41 km 27.5 mi 1
Apr 4, 1981 EF4 93 km 1.8 mi 3
Apr 21, 1974 EF4 71 km 26.0 mi 0
Aug 19, 1968 EF4 93 km 21.8 mi 2
Apr 3, 1956 EF4 64 km 11.5 mi 7
Sep 26, 1951 EF4 79 km 26.4 mi 6
Jun 7, 2007 EF3 100 km 40.0 mi 0
Jun 23, 2004 EF3 83 km 7.6 mi 1
Jun 23, 2004 EF3 83 km 33.3 mi 0
Aug 29, 1992 EF3 99 km 28.0 mi 1
Apr 27, 1984 EF3 57 km 32.0 mi 0
Jun 5, 1977 EF3 60 km 69.5 mi 0
Apr 21, 1974 EF3 87 km 22.2 mi 0
Apr 21, 1974 EF3 92 km 58.6 mi 2
Dec 1, 1970 EF3 28 km 13.1 mi 0
Jun 26, 1969 EF3 27 km 15.3 mi 0
Jun 25, 1950 EF3 62 km 0.1 mi 0
Aug 28, 2018 EF2 74 km 3.9 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

6 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,524 acres, 2006).

Year Name Acres Burned Distance
2006 UNNAMED 1,524 86 km
2010 RX BURN 1,236 86 km
1994 SOMMERS 938 83 km
1988 PEACHY RD 812 86 km
2006 UNNAMED 612 81 km
2007 TOWER RD 2 592 86 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 18°F (-8°C) 1.1 in Coldest
February 21°F (-6°C) 1.0 in Driest
March 31°F (-0°C) 2.0 in
April 44°F (7°C) 2.6 in
May 56°F (13°C) 3.1 in
June 66°F (19°C) 3.6 in
July 71°F (22°C) 3.3 in Warmest
August 69°F (20°C) 3.6 in Wettest
September 60°F (16°C) 3.5 in
October 49°F (9°C) 2.4 in
November 35°F (2°C) 2.1 in
December 22°F (-6°C) 1.5 in

Combined Locks has a seasonal temperature swing of 54°F / from 18°F in January to 71°F in July. Total annual precipitation is 29.7 inches, with August being the wettest month (3.6") and February the driest (1.0").

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