Jeff weather by month
What a typical year looks like in Jeff, Kentucky: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Skyline 1 SE, 19 km from Jeff; records cover 2000–2026.
The year at a glance
- Precipitation a year
- 49.9 in1267 mm
- Snow a year
- 17 in42 cm
- Last spring freeze
- Apr 22
- First fall freeze
- Oct 26
- Heating degree days
- 4,285
- Cooling degree days
- 1,042
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 10°−12° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Jeff in January
Highs average 45°7° and lows 26°−4°, with 3.7 in95 mm of precipitation and 5 in13 cm of snow in a typical January.
- Record high
- 78°26° (2020)
- Record low
- −4°−20° (2014)
- Heating degree days
- 914
- Cooling degree days
- 0
Jeff in February
Highs average 49°10° and lows 29°−2°, with 3.9 in99 mm of precipitation and 4 in11 cm of snow in a typical February.
- Record high
- 80°27° (2023)
- Record low
- −2°−19° (2026)
- Heating degree days
- 725
- Cooling degree days
- 0
Jeff in March
Highs average 59°15° and lows 33°1°, with 4.8 in122 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 87°31° (2026)
- Record low
- 8°−13° (2015)
- Heating degree days
- 588
- Cooling degree days
- 1
Jeff in April
Highs average 70°21° and lows 42°5°, with 4.5 in115 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 90°32° (2001)
- Record low
- 22°−6° (2007)
- Heating degree days
- 294
- Cooling degree days
- 13
Jeff in May
Highs average 77°25° and lows 52°11°, with 4.8 in122 mm of precipitation in a typical May.
- Record high
- 92°33° (2011)
- Record low
- 29°−2° (2005)
- Heating degree days
- 102
- Cooling degree days
- 78
Jeff in June
Highs average 83°28° and lows 60°16°, with 4.4 in113 mm of precipitation in a typical June.
- Record high
- 102°39° (2012)
- Record low
- 40°4° (2006)
- Heating degree days
- 8
- Cooling degree days
- 197
Jeff in July
Highs average 86°30° and lows 64°18°, with 5.7 in145 mm of precipitation in a typical July.
- Record high
- 102°39° (2012)
- Record low
- 50°10° (2007)
- Heating degree days
- 0
- Cooling degree days
- 306
Jeff in August
Highs average 85°29° and lows 64°18°, with 4.2 in106 mm of precipitation in a typical August.
- Record high
- 98°37° (2007)
- Record low
- 48°9° (2025)
- Heating degree days
- 0
- Cooling degree days
- 292
Jeff in September
Highs average 79°26° and lows 57°14°, with 3.3 in83 mm of precipitation in a typical September.
- Record high
- 96°36° (2002)
- Record low
- 39°4° (2022)
- Heating degree days
- 41
- Cooling degree days
- 131
Jeff in OctoberThis month
Highs average 70°21° and lows 46°8°, with 2.9 in73 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 24°−4° (2006)
- Heating degree days
- 248
- Cooling degree days
- 23
Jeff in November
Highs average 59°15° and lows 34°1°, with 3.2 in82 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 86°30° (2003)
- Record low
- 10°−12° (2000)
- Heating degree days
- 565
- Cooling degree days
- 1
Jeff in December
Highs average 49°9° and lows 29°−1°, with 4.5 in113 mm of precipitation and 4 in9 cm of snow in a typical December.
- Record high
- 78°26° (2001)
- Record low
- 0°−18° (2022)
- Heating degree days
- 800
- Cooling degree days
- 0