Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Franklin enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 36°F in January while summers reach 79°F in July. The area gets 299 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 54.3 inches (wetter than the 38-inch national average). The area receives 2.0 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 689 feet.
Temperature
36°F Jan (2°C)79°F Jul (26°C)
Annual Average
58.3°F
8% above US avg
January Average
36°F (2°C)
July Average
79°F (26°C)
Sunny Days
299 days/yr
Geography
Elevation
689 ft (210 m)
Area
11.1 sq mi (28.8 km²)
Population Density
680/sq mi
Coordinates
36.7180°N, 86.5576°W
Timezone
America/New_York
County
Simpson County County
Nearest Airport
Bowling Green-Warren County Regional (BWG) 19 miles away
Precipitation & Snow
Annual Rainfall54.3"
43% above US avg
Snowfall2.0"
Wettest Month (Mar)5.12"
Driest Month (Oct)2.99"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
27.0 / 100
Social Vulnerability
52.4 / 100
Community Resilience
54.6 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Very Low
Hail
Relatively Moderate
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Low
Lightning
Relatively Low
Ice Storm
Relatively Moderate
Drought
Relatively Low
Cold Wave
Relatively Low
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
18 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.5.
Jun 19, 2007
10 km ENE of Spencer, Tennessee
M3.5
149 km
1 km
May 30, 2023
6 km W of Calhoun, Kentucky
M3.0
114 km
0 km
Nov 28, 1998
6 km SW of Bremen, Kentucky
M2.9
91 km
0 km
Jan 28, 1991
9 km SW of Sacramento, Kentucky
M2.8
98 km
1 km
Jan 16, 2019
5 km SSE of Wartrace, Tennessee
M2.8
139 km
7 km
Aug 15, 2001
5 km SSE of Spottsville, Kentucky
M2.7
142 km
19 km
Feb 27, 2020
5 km SW of Bremen, Kentucky
M2.6
92 km
27 km
Sep 12, 2015
5 km SE of Corydon, Kentucky
M2.6
147 km
17 km
Jan 8, 1995
Kentucky
M2.6
83 km
30 km
Jul 8, 2001
7 km SE of Franklin, Tennessee
M2.6
96 km
0 km
Mar 22, 1990
9 km E of Rochester, Kentucky
M2.6
57 km
5 km
Dec 8, 1997
6 km NE of Murfreesboro, Tennessee
M2.6
95 km
0 km
Jun 1, 2019
4 km ESE of Manchester, Tennessee
M2.6
147 km
6 km
Jun 3, 2023
7 km N of Nebo, Kentucky
M2.5
127 km
16 km
May 30, 2023
7 km W of Calhoun, Kentucky
M2.5
114 km
1 km
May 2, 1998
6 km WNW of Nebo, Kentucky
M2.5
87 km
9 km
Apr 18, 2012
13 km W of Owensboro, Kentucky
M2.5
132 km
15 km
Mar 8, 1990
4 km SW of Oak Grove, Kentucky
M2.5
70 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
512 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 89 fatalities, 1,199 injuries.
Date
Rating
Distance
Path
Fatalities
Dec 24, 1988
EF4
94 km
6.0 mi
1
Apr 3, 1974
EF4
78 km
14.0 mi
0
Apr 27, 1970
EF4
59 km
42.6 mi
3
Dec 9, 2023
EF3
83 km
47.2 mi
4
Dec 11, 2021
EF3
23 km
29.3 mi
16
Dec 11, 2021
EF3
45 km
28.0 mi
0
Mar 3, 2020
EF3
70 km
60.1 mi
5
Nov 17, 2013
EF3
96 km
8.2 mi
0
Apr 26, 2011
EF3
85 km
2.6 mi
0
Apr 10, 2009
EF3
94 km
2.0 mi
0
Feb 6, 2008
EF3
41 km
9.4 mi
4
Feb 5, 2008
EF3
42 km
50.3 mi
22
Feb 5, 2008
EF3
77 km
18.1 mi
3
Apr 7, 2006
EF3
81 km
18.8 mi
0
Apr 7, 2006
EF3
48 km
22.7 mi
7
Apr 2, 2006
EF3
98 km
29.7 mi
0
May 11, 2003
EF3
87 km
1.0 mi
0
May 11, 2003
EF3
93 km
1.0 mi
0
May 4, 2003
EF3
78 km
11.5 mi
0
May 23, 2000
EF3
93 km
6.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
15 wildfires (100+ acres) recorded within 100 km.
Largest: FLOATING MILL HOLLOW (2,422 acres, 2010).
Year
Name
Acres Burned
Distance
2010
FLOATING MILL HOLLOW
2,422
69 km
2008
BROOKS KNOB
2,225
61 km
2012
FY2012 CRYSTAL CAVE BROADCAST BURN
2,221
71 km
2010
JOPPA CHURCH
2,037
63 km
2004
JIM LEE
1,770
64 km
2009
TEMPLE HILL
1,628
63 km
2009
JIM LEE
1,613
64 km
2007
DEAD DEER
1,557
73 km
2007
Big Woods
1,500
73 km
2008
GOBLIN KNOB
1,445
71 km
1999
UNNAMED
1,039
70 km
2001
UNNAMED
848
94 km
2007
DENNISON FERRY RX
655
72 km
2000
UNNAMED
641
70 km
2005
UNNAMED
576
70 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
36°F (2°C)
3.7 in
Coldest
February
38°F (3°C)
4.2 in
March
48°F (9°C)
5.1 in
Wettest
April
57°F (14°C)
4.4 in
May
65°F (19°C)
5.1 in
June
74°F (23°C)
4.4 in
July
79°F (26°C)
4.5 in
Warmest
August
76°F (25°C)
3.4 in
September
70°F (21°C)
3.7 in
October
58°F (15°C)
3.0 in
Driest
November
48°F (9°C)
4.5 in
December
39°F (4°C)
4.9 in
Franklin has a seasonal temperature swing of 43°F / from 36°F in January to 79°F in July. Total annual precipitation is 50.8 inches, with March being the wettest month (5.1") and October the driest (3.0").