Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Porte 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 42.6 inches. The area receives 65.2 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 804 feet.
Temperature
24°F Jan (-4°C)73°F Jul (23°C)
Annual Average
50.0°F
7% below US avg
January Average
24°F (-4°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
804 ft (245 m)
Area
12.7 sq mi (32.8 km²)
Population Density
1,749/sq mi
Coordinates
41.6061°N, 86.7137°W
Timezone
America/Indiana/Indianapolis
County
LaPorte County County
Nearest Airport
Porter County Regional (VPZ) 18 miles away
Precipitation & Snow
Annual Rainfall42.6"
12% above US avg
Snowfall65.2"
Wettest Month (Jun)4.37"
Driest Month (Feb)1.77"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
78.9 / 100
Social Vulnerability
48.7 / 100
Community Resilience
82.6 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Relatively Moderate
Ice Storm
Relatively Low
Drought
No Rating
Cold Wave
Relatively High
Landslide
Very Low
Coastal Flood
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 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
127 km
4 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
95 km
1 km
Jan 26, 2012
5 km NE of Topeka, Indiana
M3.0
102 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
444 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 119 fatalities, 1,604 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 21, 1967
EF4
93 km
15.0 mi
33
Apr 11, 1965
EF4
84 km
21.6 mi
5
Apr 11, 1965
EF4
54 km
21.2 mi
31
Apr 11, 1965
EF4
43 km
37.0 mi
36
May 27, 2019
EF3
85 km
13.7 mi
0
Oct 18, 2007
EF3
57 km
20.3 mi
0
Oct 24, 2001
EF3
24 km
47.0 mi
1
May 13, 1980
EF3
80 km
21.0 mi
0
Mar 12, 1976
EF3
24 km
12.6 mi
0
Mar 12, 1976
EF3
37 km
12.1 mi
0
Jun 20, 1974
EF3
69 km
4.5 mi
0
Oct 24, 1967
EF3
43 km
0.1 mi
0
Nov 26, 1965
EF3
21 km
1.0 mi
0
Nov 12, 1965
EF3
64 km
4.1 mi
0
Apr 11, 1965
EF3
31 km
35.6 mi
10
Apr 11, 1965
EF3
50 km
33.1 mi
0
Apr 30, 1962
EF3
43 km
0.1 mi
0
Apr 30, 1962
EF3
18 km
36.5 mi
0
Jul 23, 1961
EF3
91 km
0.1 mi
0
Jun 14, 1957
EF3
69 km
0.1 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
18 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
4 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (1,602 acres, 2000).
Year
Name
Acres Burned
Distance
2000
UNNAMED
1,602
99 km
1986
OGDEN DUNS
863
42 km
2021
21-INDU TOLLESTON DUNES EAST
594
41 km
2017
17 INDU COWLES DUNES
522
33 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°F (-4°C)
2.1 in
Coldest
February
27°F (-3°C)
1.8 in
Driest
March
37°F (3°C)
2.9 in
April
48°F (9°C)
3.7 in
May
59°F (15°C)
3.6 in
June
69°F (20°C)
4.4 in
Wettest
July
73°F (23°C)
3.8 in
Warmest
August
71°F (21°C)
3.9 in
September
63°F (17°C)
3.9 in
October
52°F (11°C)
3.2 in
November
40°F (5°C)
3.5 in
December
28°F (-2°C)
3.0 in
La Porte has a seasonal temperature swing of 49°F / from 24°F in January to 73°F in July. Total annual precipitation is 39.6 inches, with June being the wettest month (4.4") and February the driest (1.8").
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