Sign In Register

Weather & Climate in Koontz Lake, IN

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

Koontz Lake experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 24°F in January while summers reach 73°F in July. The area gets 275 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 40.3 inches. The area receives 54.9 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 721 feet.

Temperature

24°F Jan (-4°C) 73°F Jul (23°C)
Annual Average50.0°F
7% below US avg
January Average24°F (-4°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation721 ft (220 m)
Area3.9 sq mi (10.1 km²)
Population Density346/sq mi
Coordinates41.4122°N, 86.4781°W
TimezoneAmerica/Indiana/Indianapolis
CountyStarke County County
Nearest AirportSouth Bend International (SBN)
22 miles away

Precipitation & Snow

Annual Rainfall 40.3"
6% above US avg
Snowfall 54.9"
Wettest Month (Jun) 4.29"
Driest Month (Feb) 1.77"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score24.9 / 100
Social Vulnerability41.3 / 100
Community Resilience73.5 / 100

Hazard Breakdown

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

Earthquake History

4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

May 2, 2015 5 km S of Galesburg, Michigan M4.2 126 km 4 km
Jun 30, 2015 5 km NNE of Burlington, Michigan M3.3 144 km 5 km
Nov 4, 2013 1 km SSW of Lyons, Illinois M3.2 120 km 1 km
Jan 26, 2012 5 km NE of Topeka, Indiana M3.0 84 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

463 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 91 fatalities, 1,101 injuries.

Date Rating Distance Path Fatalities
Apr 11, 1965 EF4 36 km 21.2 mi 31
Apr 11, 1965 EF4 30 km 37.0 mi 36
Apr 11, 1965 EF4 69 km 21.6 mi 5
May 27, 2019 EF3 56 km 13.7 mi 0
Jun 5, 2010 EF3 90 km 7.5 mi 0
Oct 18, 2007 EF3 29 km 20.3 mi 0
May 30, 2004 EF3 81 km 4.5 mi 0
Oct 24, 2001 EF3 24 km 47.0 mi 1
May 13, 1980 EF3 92 km 21.0 mi 0
Mar 12, 1976 EF3 21 km 12.1 mi 0
Mar 12, 1976 EF3 52 km 12.6 mi 0
Jun 20, 1974 EF3 80 km 4.5 mi 0
Apr 3, 1974 EF3 84 km 36.2 mi 5
May 16, 1968 EF3 92 km 50.3 mi 1
Oct 24, 1967 EF3 64 km 0.1 mi 0
Nov 26, 1965 EF3 32 km 1.0 mi 0
Nov 12, 1965 EF3 85 km 4.1 mi 0
Apr 11, 1965 EF3 11 km 35.6 mi 10
Apr 11, 1965 EF3 61 km 33.1 mi 0
Apr 29, 1963 EF3 94 km 23.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1954 MICHIGAN CITY, IN (LAKE MICHIGAN) Avalanche 3.0 m 7 47 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

3 wildfires (100+ acres) recorded within 100 km. Largest: OGDEN DUNS (863 acres, 1986).

Year Name Acres Burned Distance
1986 OGDEN DUNS 863 65 km
2021 21-INDU TOLLESTON DUNES EAST 594 65 km
2017 17 INDU COWLES DUNES 522 58 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 24°F (-4°C) 2.0 in Coldest
February 27°F (-3°C) 1.8 in Driest
March 38°F (3°C) 2.9 in
April 49°F (9°C) 3.8 in
May 60°F (15°C) 3.7 in
June 69°F (21°C) 4.3 in Wettest
July 73°F (23°C) 3.9 in Warmest
August 71°F (22°C) 3.6 in
September 64°F (18°C) 3.7 in
October 52°F (11°C) 3.1 in
November 40°F (5°C) 3.2 in
December 29°F (-2°C) 2.9 in

Koontz Lake has a seasonal temperature swing of 49°F / from 24°F in January to 73°F in July. Total annual precipitation is 38.9 inches, with June being the wettest month (4.3") and February the driest (1.8").

View full profile of Koontz Lake, IN →