Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Avondale 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 -3 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
-3 ft (-1 m)
Area
6.0 sq mi (15.5 km²)
Population Density
935/sq mi
Coordinates
29.9010°N, 90.1970°W
Timezone
America/Chicago
County
St. Charles Parish County
Nearest Airport
Louis Armstrong New Orleans International (MSY) 7 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
120 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
26 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
76 km
2021
Ida
Category 4
150 mph
39 km
2020
Laura
Category 4
150 mph
300 km
2020
Zeta
Category 3
115 mph
44 km
2020
Delta
Category 2
98 mph
261 km
2020
Sally
Category 2
109 mph
207 km
2019
Barry
Category 1
75 mph
178 km
2017
Nate
Category 1
92 mph
96 km
2012
Isaac
Category 1
81 mph
63 km
2009
Ida
Category 1
86 mph
213 km
2008
Gustav
Category 2
109 mph
92 km
2005
Katrina
Category 5
161 mph
66 km
2005
Dennis
Category 3
121 mph
295 km
2005
Cindy
Category 1
75 mph
79 km
2004
Ivan
Category 4
132 mph
220 km
2002
Lili
Category 4
121 mph
199 km
1998
Georges
Category 2
109 mph
137 km
1998
Earl
Category 2
98 mph
222 km
1997
Danny
Category 1
81 mph
82 km
1995
Opal
Category 4
150 mph
262 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
514 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 39 fatalities, 758 injuries.
Date
Rating
Distance
Path
Fatalities
Dec 6, 1983
EF4
36 km
7.0 mi
0
Oct 3, 1964
EF4
37 km
1.5 mi
22
Mar 22, 2022
EF3
14 km
11.5 mi
1
Feb 7, 2017
EF3
23 km
10.1 mi
0
Feb 23, 2016
EF3
86 km
7.8 mi
0
Dec 25, 2012
EF3
97 km
60.3 mi
0
May 26, 2011
EF3
81 km
6.1 mi
0
Aug 25, 1992
EF3
31 km
9.0 mi
2
May 19, 1980
EF3
81 km
13.1 mi
0
Apr 12, 1969
EF3
75 km
10.7 mi
0
Jan 28, 1966
EF3
12 km
0.1 mi
0
Mar 21, 1957
EF3
59 km
2.0 mi
0
Feb 6, 1953
EF3
81 km
15.6 mi
2
Apr 10, 2024
EF2
54 km
11.0 mi
0
Dec 14, 2022
EF2
8 km
10.6 mi
0
Dec 14, 2022
EF2
31 km
4.7 mi
1
Jun 6, 2019
EF2
65 km
1.6 mi
0
Nov 1, 2018
EF2
99 km
2.3 mi
0
Feb 7, 2017
EF2
59 km
23.1 mi
0
Feb 23, 2016
EF2
85 km
4.3 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
89 km
2000
UNIT 1 B
2,030
37 km
1998
UNIT 4 CD
1,729
50 km
2015
BAYOU LACROIX
1,714
84 km
2009
SLIDELL AIRPORT
1,663
62 km
1998
UNIT 7
1,623
47 km
2008
UNNAMED
1,594
71 km
2011
BAD ROMANCE
1,305
33 km
2011
TONEY ISLAND
1,215
83 km
2006
UNNAMED
1,206
72 km
2004
UNITS 1A-1B
1,108
37 km
2006
UNNAMED
1,102
80 km
2001
UNNAMED
950
54 km
2010
UNNAMED
904
20 km
2006
UNNAMED
866
82 km
2009
GOOSEPOINT C
864
49 km
1996
1 B
846
35 km
2006
BOY SCOUT EAST
826
49 km
2006
UNNAMED
823
83 km
1998
UNIT 2 A
821
38 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
Avondale 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").