Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Montmorenci experiences four distinct seasons with an average annual temperature of 51°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 40.1 inches. The area receives 23.3 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 695 feet.
Temperature
24°F Jan (-4°C)73°F Jul (23°C)
Annual Average
50.8°F
6% below US avg
January Average
24°F (-4°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
695 ft (212 m)
Area
0.3 sq mi (0.6 km²)
Population Density
272/sq mi
Coordinates
40.4711°N, 87.0326°W
Timezone
America/Indiana/Indianapolis
County
Benton County County
Nearest Airport
Vermilion Regional (DNV) 35 miles away
Precipitation & Snow
Annual Rainfall40.1"
5% above US avg
Snowfall23.3"
Wettest Month (Jun)4.13"
Driest Month (Feb)1.65"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
4.9 / 100
Social Vulnerability
28.3 / 100
Community Resilience
67.9 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Very Low
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Very Low
Winter Weather
Very Low
Lightning
Very Low
Ice Storm
Very Low
Drought
No Rating
Cold Wave
Relatively Low
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: M3.8.
Jun 17, 2021
Illinois-Indiana border region
M3.8
74 km
6 km
Dec 20, 1990
5 km S of Stilesville, Indiana
M3.7
104 km
5 km
Apr 14, 2000
4 km NW of Heritage Lake, Indiana
M3.6
83 km
5 km
Dec 17, 1990
Illinois-Indiana border region
M3.2
45 km
10 km
Dec 16, 1996
3 km NNE of Terre Haute, Indiana
M3.1
112 km
5 km
Mar 15, 2025
6 km W of Dwight, Illinois
M2.6
141 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
585 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 83 fatalities, 1,640 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 26, 1994
EF4
7 km
14.0 mi
3
Mar 20, 1976
EF4
3 km
16.7 mi
0
Apr 3, 1974
EF4
9 km
108.7 mi
18
Apr 11, 1965
EF4
23 km
21.8 mi
0
Apr 11, 1965
EF4
56 km
48.0 mi
25
Apr 11, 1965
EF4
52 km
45.7 mi
28
May 27, 2019
EF3
95 km
13.7 mi
0
Aug 24, 2016
EF3
71 km
8.6 mi
0
Nov 17, 2013
EF3
22 km
37.9 mi
0
Nov 17, 2013
EF3
100 km
29.8 mi
0
Jun 5, 2010
EF3
74 km
7.5 mi
0
Jun 5, 2010
EF3
90 km
7.8 mi
0
May 30, 2004
EF3
82 km
4.5 mi
0
Jun 11, 1998
EF3
82 km
18.5 mi
0
Apr 19, 1996
EF3
87 km
2.0 mi
1
Nov 22, 1992
EF3
84 km
12.0 mi
0
Jun 2, 1980
EF3
44 km
18.1 mi
1
Jun 25, 1978
EF3
7 km
27.4 mi
0
Jul 7, 1977
EF3
65 km
11.6 mi
0
Mar 12, 1976
EF3
81 km
38.5 mi
1
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
137 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km.
Largest: UNNAMED (1,602 acres, 2000).
Year
Name
Acres Burned
Distance
2000
UNNAMED
1,602
73 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°F (-4°C)
1.8 in
Coldest
February
28°F (-2°C)
1.7 in
Driest
March
39°F (4°C)
2.9 in
April
50°F (10°C)
3.7 in
May
61°F (16°C)
4.0 in
June
71°F (21°C)
4.1 in
Wettest
July
73°F (23°C)
3.7 in
Warmest
August
72°F (22°C)
3.9 in
September
65°F (19°C)
3.1 in
October
54°F (12°C)
2.7 in
November
42°F (5°C)
3.0 in
December
30°F (-1°C)
2.8 in
Montmorenci has a seasonal temperature swing of 49°F / from 24°F in January to 73°F in July. Total annual precipitation is 37.4 inches, with June being the wettest month (4.1") and February the driest (1.7").
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