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Weather & Climate in Topeka, IN

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

Topeka experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°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 34.6 inches. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 928 feet.

Temperature

25°F Jan (-4°C) 73°F Jul (23°C)
Annual Average50.1°F
7% below US avg
January Average25°F (-4°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation928 ft (283 m)
Area1.7 sq mi (4.3 km²)
Population Density644/sq mi
Coordinates41.5394°N, 85.5475°W
TimezoneAmerica/Indiana/Indianapolis
CountyLaGrange County County
Nearest AirportSouth Bend International (SBN)
41 miles away

Precipitation & Snow

Annual Rainfall 34.6"
9% below US avg
Wettest Month (Jun) 3.90"
Driest Month (Feb) 1.73"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score62.4 / 100
Social Vulnerability99.2 / 100
Community Resilience5.7 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Low
Hail Relatively Moderate
Strong Wind Relatively High
Heat Wave Very Low
Winter Weather Relatively Low
Lightning Relatively Moderate
Ice Storm Relatively Low
Drought Relatively Moderate
Cold Wave Relatively Moderate
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

6 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 78 km 4 km
Jun 30, 2015 5 km NNE of Burlington, Michigan M3.3 79 km 5 km
Jan 26, 2012 5 km NE of Topeka, Indiana M3.0 6 km 5 km
Apr 17, 1990 8 km NW of Fort Recovery, Ohio M3.0 134 km 5 km
Jun 12, 2015 6 km NW of Convoy, Ohio M2.6 92 km 5 km
Jan 30, 2004 2 km S of Rockford, Ohio M2.5 123 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

477 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 143 fatalities, 1,854 injuries.

Date Rating Distance Path Fatalities
Apr 2, 1977 EF4 82 km 12.4 mi 0
Apr 11, 1965 EF4 55 km 37.0 mi 36
Apr 11, 1965 EF4 44 km 21.2 mi 31
Apr 11, 1965 EF4 38 km 90.3 mi 23
Apr 11, 1965 EF4 16 km 21.6 mi 5
Apr 11, 1965 EF4 54 km 80.5 mi 21
May 27, 2019 EF3 79 km 13.7 mi 0
Aug 24, 2016 EF3 68 km 5.2 mi 0
Oct 18, 2007 EF3 58 km 20.3 mi 0
Oct 24, 2001 EF3 74 km 47.0 mi 1
Mar 27, 1991 EF3 40 km 21.0 mi 1
Mar 27, 1991 EF3 81 km 5.0 mi 0
May 15, 1986 EF3 65 km 1.2 mi 0
May 13, 1980 EF3 94 km 21.0 mi 0
May 13, 1980 EF3 86 km 10.6 mi 5
Mar 12, 1976 EF3 96 km 12.1 mi 0
Apr 3, 1974 EF3 15 km 36.2 mi 5
May 16, 1968 EF3 94 km 50.3 mi 1
Nov 26, 1965 EF3 81 km 1.0 mi 0
Apr 11, 1965 EF3 89 km 35.6 mi 10
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 7 112 km
Source: NOAA/NCEI Historical Tsunami Database.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 25°F (-4°C) 1.8 in Coldest
February 26°F (-3°C) 1.7 in Driest
March 36°F (2°C) 2.8 in
April 48°F (9°C) 3.5 in
May 59°F (15°C) 3.5 in
June 68°F (20°C) 3.9 in Wettest
July 73°F (23°C) 3.7 in Warmest
August 70°F (21°C) 3.7 in
September 63°F (17°C) 3.5 in
October 51°F (11°C) 2.7 in
November 40°F (4°C) 2.9 in
December 28°F (-2°C) 2.8 in

Topeka has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 36.5 inches, with June being the wettest month (3.9") and February the driest (1.7").

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