Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Franklin enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 53°F in January while summers reach 82°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 65.3 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
53°F Jan (12°C)82°F Jul (28°C)
Annual Average
68.8°F
27% above US avg
January Average
53°F (12°C)
July Average
82°F (28°C)
Sunny Days
317 days/yr
Geography
Elevation
3 ft (1 m)
Area
4.1 sq mi (10.5 km²)
Population Density
658/sq mi
Coordinates
29.7849°N, 91.5096°W
Timezone
America/Chicago
County
St. Mary Parish County
Nearest Airport
Acadiana Regional (ARA) 28 miles away
Precipitation & Snow
Annual Rainfall65.3"
72% above US avg
Snowfall0.0"
Wettest Month (Aug)7.72"
Driest Month (Oct)3.82"
Air Quality
AQI Median
42.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
88.9 / 100
Social Vulnerability
75.6 / 100
Community Resilience
88.2 / 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
Relatively Low
Drought
Relatively High
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
131 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
24 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
58 km
2021
Ida
Category 4
150 mph
89 km
2020
Laura
Category 4
150 mph
173 km
2020
Zeta
Category 3
115 mph
110 km
2020
Delta
Category 3
115 mph
139 km
2019
Barry
Category 1
75 mph
66 km
2017
Nate
Category 1
92 mph
223 km
2012
Isaac
Category 1
81 mph
107 km
2008
Ike
Category 2
109 mph
292 km
2008
Gustav
Category 2
109 mph
11 km
2007
Humberto
Category 1
92 mph
209 km
2005
Katrina
Category 5
161 mph
187 km
2005
Rita
Category 4
132 mph
194 km
2005
Cindy
Category 1
75 mph
151 km
2002
Lili
Category 4
121 mph
74 km
1998
Georges
Category 2
109 mph
260 km
1997
Danny
Category 1
81 mph
169 km
1992
Andrew
Category 4
144 mph
10 km
1989
Chantal
Category 1
81 mph
226 km
1988
Florence
Category 1
81 mph
211 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
412 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 26 fatalities, 619 injuries.
Date
Rating
Distance
Path
Fatalities
Feb 23, 2016
EF3
47 km
7.8 mi
0
Feb 9, 1983
EF3
94 km
21.0 mi
0
Jan 31, 1983
EF3
78 km
6.0 mi
1
Apr 21, 1977
EF3
71 km
3.8 mi
1
Oct 29, 1974
EF3
70 km
7.3 mi
0
Apr 26, 1973
EF3
90 km
0.3 mi
0
Feb 29, 1972
EF3
84 km
1.0 mi
0
Sep 16, 1971
EF3
87 km
7.3 mi
0
Mar 17, 1970
EF3
22 km
1.0 mi
0
Dec 25, 1969
EF3
41 km
13.5 mi
0
Dec 25, 1969
EF3
77 km
1.5 mi
1
Apr 12, 1969
EF3
75 km
10.7 mi
0
Sep 10, 1961
EF3
80 km
5.7 mi
1
Nov 7, 1957
EF3
91 km
9.2 mi
4
Oct 15, 1957
EF3
94 km
37.9 mi
1
Mar 21, 1957
EF3
93 km
2.0 mi
0
May 13, 2024
EF2
69 km
8.6 mi
0
Dec 14, 2022
EF2
37 km
5.2 mi
0
Jan 11, 2020
EF2
93 km
1.2 mi
0
Jun 6, 2019
EF2
82 km
1.6 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (1,764 acres, 1997).
Year
Name
Acres Burned
Distance
1997
UNNAMED
1,764
91 km
2006
UNNAMED
1,365
86 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
53°F (12°C)
5.0 in
Coldest
February
55°F (13°C)
4.0 in
March
62°F (16°C)
4.4 in
April
68°F (20°C)
4.5 in
May
75°F (24°C)
4.9 in
June
80°F (26°C)
6.5 in
July
82°F (28°C)
7.6 in
Warmest
August
81°F (27°C)
7.7 in
Wettest
September
78°F (25°C)
6.0 in
October
69°F (21°C)
3.8 in
Driest
November
61°F (16°C)
4.1 in
December
55°F (13°C)
4.8 in
Franklin has a seasonal temperature swing of 29°F / from 53°F in January to 82°F in July. Total annual precipitation is 63.4 inches, with August being the wettest month (7.7") and October the driest (3.8").