What is the hottest month in Franklin?

July is the warmest month in Franklin, with an average high of 90.8°F.

What is the coldest month in Franklin?

January is the coldest month in Franklin, with an average low of 28.6°F.

What month does Franklin get the most rain?

May is typically the wettest month in Franklin, with about 5.39 inches of precipitation.

What plant hardiness zone is Franklin in?

Franklin is approximately in USDA plant hardiness Zone 8a, based on the average annual extreme minimum temperature.

Franklin, TN

Climate overview — based on NOAA 1991-2020 normals from FRANKLIN SEWAGE PLT, TN US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Franklin has an annual average temperature of 59.7°F with about 53.8 inches of precipitation per year and 1.7 inches of snow. The warmest month is July (average high 90.8°F), and the coldest is January (average low 28.6°F). May is typically the wettest month (5.39 in) and October the driest (3.47 in). Snow typically falls from January through March.

Pleasant months

1 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

40.8°F

warmest to coldest month

Heating need

3,384

HDD/yr

Cooling need

1,461

CDD/yr

Best time to visit Franklin

Full guide →

Climate change signal

All-time records →

26 of 366 (7.1%) of Franklin's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s		9
1900s		20
1910s		26
1920s		53
1930s		45
1940s		38
1950s		41
1960s		28
1970s		22
1980s		23
1990s		3
2000s		21
2010s		26
2020s		11

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	49.1°F	28.6°F	38.9°F	4.25 in	0.9 in	12
February	53.4°F	31.1°F	42.3°F	4.76 in	0.3 in	11
March	62.2°F	37.8°F	50.0°F	5.16 in	0.4 in	13
April	71.9°F	46.2°F	59.0°F	5.16 in	—	11
May	79.5°F	55.4°F	67.4°F	5.39 in	—	12
June	87.3°F	64.3°F	75.8°F	4.39 in	—	11
July	90.8°F	68.5°F	79.7°F	4.57 in	—	11
August	90.2°F	66.9°F	78.5°F	3.61 in	—	9
September	84.8°F	59.8°F	72.3°F	4.00 in	—	8
October	73.8°F	47.2°F	60.5°F	3.47 in	—	9
November	61.6°F	37.1°F	49.4°F	3.83 in	—	10
December	52.5°F	31.8°F	42.1°F	5.20 in	0.1 in	12