Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nappanee 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 40.5 inches. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 863 feet.
Temperature
25°F Jan (-4°C)73°F Jul (23°C)
Annual Average
50.1°F
7% below US avg
January Average
25°F (-4°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
863 ft (263 m)
Area
4.2 sq mi (10.7 km²)
Population Density
1,428/sq mi
Coordinates
41.4461°N, 85.9968°W
Timezone
America/Indiana/Indianapolis
County
Elkhart County County
Nearest Airport
South Bend International (SBN) 25 miles away
Precipitation & Snow
Annual Rainfall40.5"
7% above US avg
Wettest Month (Jun)4.13"
Driest Month (Feb)1.77"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
83.8 / 100
Social Vulnerability
45.3 / 100
Community Resilience
61.1 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
Strong Wind
Relatively High
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Relatively Moderate
Ice Storm
Relatively Moderate
Drought
Relatively Low
Cold Wave
Relatively High
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
100 km
4 km
Jun 30, 2015
5 km NNE of Burlington, Michigan
M3.3
111 km
5 km
Jan 26, 2012
5 km NE of Topeka, Indiana
M3.0
45 km
5 km
Apr 17, 1990
8 km NW of Fort Recovery, Ohio
M3.0
146 km
5 km
Jun 12, 2015
6 km NW of Convoy, Ohio
M2.6
117 km
5 km
Jan 30, 2004
2 km S of Rockford, Ohio
M2.5
142 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
473 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 142 fatalities, 1,799 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 2, 1977
EF4
100 km
12.4 mi
0
Apr 11, 1965
EF4
23 km
37.0 mi
36
Apr 11, 1965
EF4
31 km
21.6 mi
5
Apr 11, 1965
EF4
10 km
21.2 mi
31
Apr 11, 1965
EF4
92 km
80.5 mi
21
Apr 11, 1965
EF4
76 km
90.3 mi
23
May 27, 2019
EF3
53 km
13.7 mi
0
Aug 24, 2016
EF3
96 km
5.2 mi
0
Jun 5, 2010
EF3
91 km
7.5 mi
0
Oct 18, 2007
EF3
22 km
20.3 mi
0
May 30, 2004
EF3
80 km
4.5 mi
0
Oct 24, 2001
EF3
41 km
47.0 mi
1
Mar 27, 1991
EF3
78 km
21.0 mi
1
May 13, 1980
EF3
88 km
21.0 mi
0
May 13, 1980
EF3
98 km
10.6 mi
5
Mar 12, 1976
EF3
58 km
12.1 mi
0
Mar 12, 1976
EF3
86 km
12.6 mi
0
Apr 3, 1974
EF3
44 km
36.2 mi
5
May 16, 1968
EF3
81 km
50.3 mi
1
Nov 26, 1965
EF3
51 km
1.0 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
79 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km.
Largest: 17 INDU COWLES DUNES (522 acres, 2017).
Year
Name
Acres Burned
Distance
2017
17 INDU COWLES DUNES
522
95 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
25°F (-4°C)
1.9 in
Coldest
February
27°F (-3°C)
1.8 in
Driest
March
37°F (3°C)
2.8 in
April
48°F (9°C)
3.7 in
May
60°F (16°C)
3.7 in
June
69°F (21°C)
4.1 in
Wettest
July
73°F (23°C)
3.6 in
Warmest
August
70°F (21°C)
3.7 in
September
63°F (17°C)
3.6 in
October
52°F (11°C)
2.9 in
November
40°F (4°C)
3.0 in
December
29°F (-2°C)
2.8 in
Nappanee has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 37.5 inches, with June being the wettest month (4.1") and February the driest (1.8").
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