Princeton weather by month
What a typical year looks like in Princeton, Kentucky: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Eddyville 5s, 18 km from Princeton; records cover 2002–2026.
The year at a glance
- Precipitation a year
- 53.1 in1349 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 24
- First fall freeze
- Nov 2
- Heating degree days
- 3,355
- Cooling degree days
- 1,901
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 11°−12° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Princeton in January
Highs average 48°9° and lows 30°−1°, with 4 in102 mm of precipitation in a typical January.
- Record high
- 70°21° (2017)
- Record low
- −2°−19° (2018)
- Heating degree days
- 814
- Cooling degree days
- 0
Princeton in February
Highs average 52°11° and lows 34°1°, with 4.5 in115 mm of precipitation in a typical February.
- Record high
- 77°25° (2017)
- Record low
- 1°−17° (2021)
- Heating degree days
- 624
- Cooling degree days
- 1
Princeton in March
Highs average 62°17° and lows 41°5°, with 4.4 in112 mm of precipitation in a typical March.
- Record high
- 88°31° (2026)
- Record low
- 5°−15° (2015)
- Heating degree days
- 427
- Cooling degree days
- 10
Princeton in April
Highs average 72°22° and lows 50°10°, with 5.2 in133 mm of precipitation in a typical April.
- Record high
- 89°32° (2012)
- Record low
- 27°−3° (2007)
- Heating degree days
- 169
- Cooling degree days
- 51
Princeton in May
Highs average 79°26° and lows 59°15°, with 5 in126 mm of precipitation in a typical May.
- Record high
- 95°35° (2012)
- Record low
- 36°2° (2013)
- Heating degree days
- 43
- Cooling degree days
- 176
Princeton in June
Highs average 87°30° and lows 67°20°, with 5.3 in134 mm of precipitation in a typical June.
- Record high
- 107°42° (2012)
- Record low
- 40°4° (2003)
- Heating degree days
- 1
- Cooling degree days
- 364
Princeton in July
Highs average 90°32° and lows 71°22°, with 4 in101 mm of precipitation in a typical July.
- Record high
- 106°41° (2012)
- Record low
- 52°11° (2009)
- Heating degree days
- 0
- Cooling degree days
- 477
Princeton in August
Highs average 90°32° and lows 70°21°, with 3.8 in97 mm of precipitation in a typical August.
- Record high
- 107°42° (2007)
- Record low
- 51°11° (2012)
- Heating degree days
- 0
- Cooling degree days
- 468
Princeton in September
Highs average 85°29° and lows 62°17°, with 3.7 in95 mm of precipitation in a typical September.
- Record high
- 102°39° (2026)
- Record low
- 31°−1° (2003)
- Heating degree days
- 14
- Cooling degree days
- 271
Princeton in OctoberThis month
Highs average 74°23° and lows 52°11°, with 4 in102 mm of precipitation in a typical October.
- Record high
- 98°37° (2019)
- Record low
- 28°−2° (2023)
- Heating degree days
- 144
- Cooling degree days
- 76
Princeton in November
Highs average 61°16° and lows 42°5°, with 4.2 in106 mm of precipitation in a typical November.
- Record high
- 86°30° (2022)
- Record low
- 10°−12° (2019)
- Heating degree days
- 418
- Cooling degree days
- 7
Princeton in December
Highs average 51°10° and lows 34°1°, with 4.9 in124 mm of precipitation in a typical December.
- Record high
- 74°23° (2021)
- Record low
- −5°−21° (2022)
- Heating degree days
- 701
- Cooling degree days
- 0