Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gray enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 54°F in January while summers reach 83°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 65.4 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 10 feet.
Temperature
54°F Jan (12°C)83°F Jul (28°C)
Annual Average
69.6°F
29% above US avg
January Average
54°F (12°C)
July Average
83°F (28°C)
Sunny Days
317 days/yr
Geography
Elevation
10 ft (3 m)
Area
11.5 sq mi (29.7 km²)
Population Density
481/sq mi
Coordinates
29.6780°N, 90.7831°W
Timezone
America/Chicago
County
Terrebonne Parish County
Nearest Airport
Louis Armstrong New Orleans International (MSY) 38 miles away
Precipitation & Snow
Annual Rainfall65.4"
72% above US avg
Snowfall0.0"
Wettest Month (Jul)7.60"
Driest Month (Oct)3.70"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
94.2 / 100
Social Vulnerability
53.2 / 100
Community Resilience
96.8 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very High
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Relatively Moderate
Winter Weather
Relatively Low
Lightning
Relatively High
Ice Storm
Very Low
Drought
Relatively Moderate
Cold Wave
Relatively Moderate
Landslide
Very Low
Coastal Flood
Relatively 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
127 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
27 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
14 km
2021
Ida
Category 4
150 mph
27 km
2020
Laura
Category 4
150 mph
243 km
2020
Zeta
Category 3
115 mph
56 km
2020
Delta
Category 3
115 mph
209 km
2020
Sally
Category 2
109 mph
260 km
2019
Barry
Category 1
75 mph
116 km
2017
Nate
Category 1
92 mph
155 km
2012
Isaac
Category 1
81 mph
41 km
2009
Ida
Category 1
86 mph
241 km
2008
Gustav
Category 2
109 mph
54 km
2007
Humberto
Category 1
75 mph
280 km
2005
Katrina
Category 5
161 mph
116 km
2005
Rita
Category 4
132 mph
246 km
2005
Cindy
Category 1
75 mph
85 km
2004
Ivan
Category 4
132 mph
265 km
2002
Lili
Category 4
121 mph
138 km
1998
Georges
Category 2
109 mph
198 km
1998
Earl
Category 2
98 mph
239 km
1997
Danny
Category 1
81 mph
101 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
380 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 37 fatalities, 677 injuries.
Date
Rating
Distance
Path
Fatalities
Dec 6, 1983
EF4
50 km
7.0 mi
0
Oct 3, 1964
EF4
41 km
1.5 mi
22
Mar 22, 2022
EF3
74 km
11.5 mi
1
Feb 7, 2017
EF3
84 km
10.1 mi
0
Feb 23, 2016
EF3
45 km
7.8 mi
0
Aug 25, 1992
EF3
54 km
9.0 mi
2
Apr 26, 1973
EF3
96 km
0.3 mi
0
Sep 16, 1971
EF3
89 km
7.3 mi
0
Mar 17, 1970
EF3
50 km
1.0 mi
0
Dec 25, 1969
EF3
74 km
13.5 mi
0
Apr 12, 1969
EF3
59 km
10.7 mi
0
Jan 28, 1966
EF3
52 km
0.1 mi
0
Mar 21, 1957
EF3
27 km
2.0 mi
0
Feb 6, 1953
EF3
90 km
15.6 mi
2
Dec 14, 2022
EF2
67 km
10.6 mi
0
Dec 14, 2022
EF2
44 km
4.7 mi
1
Jun 6, 2019
EF2
55 km
1.6 mi
0
Feb 7, 2017
EF2
73 km
23.1 mi
0
Feb 23, 2016
EF2
91 km
4.3 mi
0
Feb 23, 2016
EF2
44 km
13.0 mi
2
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km.
Largest: UNIT 1 B (2,030 acres, 2000).
Year
Name
Acres Burned
Distance
2000
UNIT 1 B
2,030
98 km
2011
BAD ROMANCE
1,305
95 km
2004
UNITS 1A-1B
1,108
98 km
2010
UNNAMED
904
59 km
1996
1 B
846
96 km
1998
UNIT 2 A
821
99 km
1997
1 A
797
99 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
54°F (12°C)
5.7 in
Coldest
February
55°F (13°C)
5.0 in
March
62°F (17°C)
5.3 in
April
68°F (20°C)
4.7 in
May
75°F (24°C)
5.8 in
June
80°F (26°C)
6.1 in
July
83°F (28°C)
7.6 in
Warmest, Wettest
August
81°F (27°C)
6.8 in
September
78°F (26°C)
6.2 in
October
69°F (21°C)
3.7 in
Driest
November
61°F (16°C)
4.6 in
December
55°F (13°C)
5.1 in
Gray has a seasonal temperature swing of 29°F / from 54°F in January to 83°F in July. Total annual precipitation is 66.5 inches, with July being the wettest month (7.6") and October the driest (3.7").