Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Elmwood has a warm climate with an average annual temperature of 72°F (22°C). Winters average 55°F in January while summers reach 85°F in July. The area gets 317 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 64.6 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 8 feet.
Temperature
55°F Jan (13°C)85°F Jul (30°C)
Annual Average
71.8°F
33% above US avg
January Average
55°F (13°C)
July Average
85°F (30°C)
Sunny Days
317 days/yr
Geography
Elevation
8 ft (2 m)
Area
3.8 sq mi (9.8 km²)
Population Density
1,597/sq mi
Coordinates
29.9540°N, 90.1874°W
Timezone
America/Chicago
County
St. Charles Parish County
Nearest Airport
Louis Armstrong New Orleans International (MSY) 5 miles away
Precipitation & Snow
Annual Rainfall64.6"
70% above US avg
Wettest Month (Jul)6.73"
Driest Month (Oct)3.19"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
85.1 / 100
Social Vulnerability
41.7 / 100
Community Resilience
100.0 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Relatively High
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
Very Low
Drought
Relatively Low
Cold Wave
Relatively Low
Landslide
Very Low
Coastal Flood
Very High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.0.
Aug 2, 2010
16 km ESE of Clinton, Louisiana
M3.0
115 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
25 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2024
Francine
Category 2
104 mph
79 km
2021
Ida
Category 4
150 mph
40 km
2020
Zeta
Category 3
115 mph
39 km
2020
Delta
Category 2
98 mph
262 km
2020
Sally
Category 2
109 mph
208 km
2019
Barry
Category 1
75 mph
181 km
2017
Nate
Category 1
92 mph
95 km
2012
Isaac
Category 1
81 mph
69 km
2009
Ida
Category 1
86 mph
217 km
2008
Gustav
Category 2
109 mph
97 km
2005
Katrina
Category 4
144 mph
63 km
2005
Dennis
Category 3
121 mph
293 km
2005
Cindy
Category 1
75 mph
84 km
2004
Ivan
Category 4
132 mph
220 km
2002
Lili
Category 4
121 mph
201 km
1998
Georges
Category 2
109 mph
133 km
1998
Earl
Category 2
98 mph
227 km
1997
Danny
Category 1
81 mph
87 km
1995
Opal
Category 4
150 mph
263 km
1995
Erin
Category 1
86 mph
268 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
533 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 39 fatalities, 746 injuries.
Date
Rating
Distance
Path
Fatalities
Dec 6, 1983
EF4
35 km
7.0 mi
0
Oct 3, 1964
EF4
43 km
1.5 mi
22
Mar 22, 2022
EF3
15 km
11.5 mi
1
Feb 7, 2017
EF3
19 km
10.1 mi
0
Feb 23, 2016
EF3
86 km
7.8 mi
0
Dec 25, 2012
EF3
91 km
60.3 mi
0
May 26, 2011
EF3
75 km
6.1 mi
0
Aug 25, 1992
EF3
28 km
9.0 mi
2
May 19, 1980
EF3
77 km
13.1 mi
0
Sep 16, 1971
EF3
98 km
7.3 mi
0
Apr 12, 1969
EF3
74 km
10.7 mi
0
Jan 28, 1966
EF3
13 km
0.1 mi
0
Mar 21, 1957
EF3
64 km
2.0 mi
0
Feb 6, 1953
EF3
77 km
15.6 mi
2
Apr 10, 2024
EF2
49 km
11.0 mi
0
Dec 14, 2022
EF2
30 km
4.7 mi
1
Dec 14, 2022
EF2
11 km
10.6 mi
0
Jun 6, 2019
EF2
63 km
1.6 mi
0
Nov 1, 2018
EF2
93 km
2.3 mi
0
Feb 7, 2017
EF2
55 km
23.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: KILN (BAYOU BACON) (3,576 acres, 2006).
Year
Name
Acres Burned
Distance
2006
KILN (BAYOU BACON)
3,576
84 km
2000
UNIT 1 B
2,030
33 km
1998
UNIT 4 CD
1,729
44 km
2015
BAYOU LACROIX
1,714
80 km
2009
SLIDELL AIRPORT
1,663
57 km
1998
UNIT 7
1,623
42 km
2008
UNNAMED
1,594
65 km
2006
UNNAMED
1,482
97 km
2011
BAD ROMANCE
1,305
30 km
2011
TONEY ISLAND
1,215
79 km
2006
UNNAMED
1,206
67 km
2006
UNNAMED
1,111
97 km
2004
UNITS 1A-1B
1,108
33 km
2006
UNNAMED
1,102
74 km
2006
UNNAMED
1,049
100 km
2001
UNNAMED
950
49 km
2010
UNNAMED
904
17 km
2006
UNNAMED
866
77 km
2009
GOOSEPOINT C
864
43 km
1996
1 B
846
31 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
55°F (13°C)
5.4 in
February
55°F (13°C)
5.4 in
Coldest
March
62°F (17°C)
5.2 in
April
68°F (20°C)
4.7 in
May
75°F (24°C)
5.1 in
June
80°F (27°C)
5.7 in
July
85°F (30°C)
6.7 in
Warmest, Wettest
August
82°F (28°C)
6.5 in
September
79°F (26°C)
5.8 in
October
70°F (21°C)
3.2 in
Driest
November
61°F (16°C)
4.7 in
December
55°F (13°C)
5.0 in
Elmwood has a seasonal temperature swing of 30°F / from 55°F in February to 85°F in July. Total annual precipitation is 63.4 inches, with July being the wettest month (6.7") and October the driest (3.2").