Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Etna Green 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 815 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
815 ft (248 m)
Area
0.5 sq mi (1.3 km²)
Population Density
1,070/sq mi
Coordinates
41.2755°N, 86.0427°W
Timezone
America/Indiana/Indianapolis
County
Marshall County County
Nearest Airport
South Bend International (SBN) 33 miles away
Precipitation & Snow
Annual Rainfall40.3"
6% above US avg
Snowfall54.9"
Wettest Month (Jun)4.17"
Driest Month (Feb)1.77"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
41.6 / 100
Social Vulnerability
22.6 / 100
Community Resilience
64.8 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Low
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Relatively Low
Winter Weather
Relatively Low
Lightning
Relatively Moderate
Ice Storm
Relatively Low
Drought
Relatively Low
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
118 km
4 km
Jun 30, 2015
5 km NNE of Burlington, Michigan
M3.3
127 km
5 km
Jan 26, 2012
5 km NE of Topeka, Indiana
M3.0
57 km
5 km
Apr 17, 1990
8 km NW of Fort Recovery, Ohio
M3.0
135 km
5 km
Jun 12, 2015
6 km NW of Convoy, Ohio
M2.6
113 km
5 km
Jan 30, 2004
2 km S of Rockford, Ohio
M2.5
135 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
520 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 122 fatalities, 1,600 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 11, 1965
EF4
48 km
21.6 mi
5
Apr 11, 1965
EF4
98 km
52.5 mi
4
Apr 11, 1965
EF4
36 km
37.0 mi
36
Apr 11, 1965
EF4
89 km
90.3 mi
23
Apr 11, 1965
EF4
27 km
21.2 mi
31
Mar 6, 1956
EF4
88 km
1.9 mi
1
Mar 31, 2023
EF3
96 km
6.4 mi
0
May 27, 2019
EF3
95 km
12.8 mi
0
May 27, 2019
EF3
34 km
13.7 mi
0
Aug 24, 2016
EF3
95 km
5.2 mi
0
Aug 24, 2016
EF3
91 km
8.6 mi
0
Jun 5, 2010
EF3
72 km
7.5 mi
0
Oct 18, 2007
EF3
11 km
20.3 mi
0
May 30, 2004
EF3
61 km
4.5 mi
0
Oct 24, 2001
EF3
50 km
47.0 mi
1
Jun 11, 1998
EF3
97 km
18.5 mi
0
Mar 27, 1991
EF3
86 km
21.0 mi
1
Jul 7, 1977
EF3
94 km
11.6 mi
0
Mar 12, 1976
EF3
51 km
12.1 mi
0
Mar 12, 1976
EF3
91 km
12.6 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
84 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
98 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°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
49°F (9°C)
3.8 in
May
60°F (16°C)
3.9 in
June
69°F (21°C)
4.2 in
Wettest
July
73°F (23°C)
3.8 in
Warmest
August
70°F (21°C)
3.6 in
September
64°F (18°C)
3.6 in
October
52°F (11°C)
2.9 in
November
40°F (5°C)
3.2 in
December
29°F (-2°C)
2.8 in
Etna Green has a seasonal temperature swing of 49°F / from 24°F in January to 73°F in July. Total annual precipitation is 38.2 inches, with June being the wettest month (4.2") and February the driest (1.8").
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