Franklin weather by month
What a typical year looks like in Franklin, Kentucky: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at PORTLAND SEWAGE PLANT, 15 km from Franklin; records cover 1955–2026.
The year at a glance
- Precipitation a year
- 54.3 in1379 mm
- Snow a year
- 2 in5.1 cm
- Last spring freeze
- Apr 2
- First fall freeze
- Nov 1
- Heating degree days
- 3,984
- Cooling degree days
- 1,545
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 9°−13° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Franklin in January
Highs average 45°7° and lows 27°−3°, with 4.2 in107 mm of precipitation and 0.2 in0.5 cm of snow in a typical January.
- Record high
- 74°23° (2022)
- Record low
- −19°−28° (1963)
- Heating degree days
- 900
- Cooling degree days
- 0
Franklin in February
Highs average 50°10° and lows 30°−1°, with 4.7 in119 mm of precipitation and 1.5 in3.8 cm of snow in a typical February.
- Record high
- 81°27° (1996)
- Record low
- −9°−23° (1965)
- Heating degree days
- 703
- Cooling degree days
- 1
Franklin in March
Highs average 59°15° and lows 37°3°, with 5.1 in129 mm of precipitation and 0.3 in0.8 cm of snow in a typical March.
- Record high
- 88°31° (2026)
- Record low
- −1°−18° (1960)
- Heating degree days
- 532
- Cooling degree days
- 7
Franklin in April
Highs average 70°21° and lows 47°8°, with 5.2 in133 mm of precipitation in a typical April.
- Record high
- 89°32° (1974)
- Record low
- 21°−6° (1985)
- Heating degree days
- 242
- Cooling degree days
- 36
Franklin in May
Highs average 78°25° and lows 57°14°, with 5.8 in147 mm of precipitation in a typical May.
- Record high
- 94°34° (1962)
- Record low
- 29°−2° (1963)
- Heating degree days
- 71
- Cooling degree days
- 137
Franklin in June
Highs average 85°30° and lows 65°18°, with 4.4 in111 mm of precipitation in a typical June.
- Record high
- 106°41° (2012)
- Record low
- 36°2° (1966)
- Heating degree days
- 4
- Cooling degree days
- 306
Franklin in July
Highs average 89°32° and lows 69°20°, with 4.6 in116 mm of precipitation in a typical July.
- Record high
- 105°41° (2012)
- Record low
- 48°9° (1963)
- Heating degree days
- 0
- Cooling degree days
- 423
Franklin in August
Highs average 88°31° and lows 67°19°, with 4.2 in105 mm of precipitation in a typical August.
- Record high
- 105°41° (2007)
- Record low
- 44°7° (1964)
- Heating degree days
- 1
- Cooling degree days
- 388
Franklin in September
Highs average 82°28° and lows 60°15°, with 3.6 in92 mm of precipitation in a typical September.
- Record high
- 101°38° (2026)
- Record low
- 32°0° (1965)
- Heating degree days
- 26
- Cooling degree days
- 203
Franklin in OctoberThis month
Highs average 71°22° and lows 48°9°, with 3.7 in94 mm of precipitation in a typical October.
- Record high
- 95°35° (2019)
- Record low
- 22°−6° (1962)
- Heating degree days
- 207
- Cooling degree days
- 41
Franklin in November
Highs average 59°15° and lows 37°3°, with 3.8 in96 mm of precipitation in a typical November.
- Record high
- 86°30° (2016)
- Record low
- 9°−13° (1964)
- Heating degree days
- 509
- Cooling degree days
- 3
Franklin in December
Highs average 49°9° and lows 30°−1°, with 5.1 in130 mm of precipitation in a typical December.
- Record high
- 76°24° (1998)
- Record low
- −14°−26° (1989)
- Heating degree days
- 789
- Cooling degree days
- 0