Calvert City weather by month
What a typical year looks like in Calvert City, Kentucky: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Smithland Lock & Dam, 14 km from Calvert City; records cover 1981–2026.
The year at a glance
- Precipitation a year
- 49.3 in1252 mm
- Snow a year
- 4 in10 cm
- Last spring freeze
- Apr 8
- First fall freeze
- Oct 29
- Heating degree days
- 4,297
- Cooling degree days
- 1,464
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 8°−13° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Calvert City in January
Highs average 43°6° and lows 26°−4°, with 3.7 in94 mm of precipitation and 0.4 in1 cm of snow in a typical January.
- Record high
- 72°22° (1986)
- Record low
- −16°−27° (1982)
- Heating degree days
- 953
- Cooling degree days
- 0
Calvert City in February
Highs average 47°8° and lows 28°−2°, with 4.1 in104 mm of precipitation and 1.2 in3 cm of snow in a typical February.
- Record high
- 78°26° (1982)
- Record low
- −6°−21° (2015)
- Heating degree days
- 766
- Cooling degree days
- 0
Calvert City in March
Highs average 57°14° and lows 37°3°, with 4.8 in121 mm of precipitation and 0.4 in1 cm of snow in a typical March.
- Record high
- 88°31° (2026)
- Record low
- −6°−21° (2015)
- Heating degree days
- 573
- Cooling degree days
- 4
Calvert City in April
Highs average 68°20° and lows 46°8°, with 5.1 in129 mm of precipitation in a typical April.
- Record high
- 90°32° (1984)
- Record low
- 18°−8° (1987)
- Heating degree days
- 265
- Cooling degree days
- 27
Calvert City in May
Highs average 77°25° and lows 56°13°, with 4.6 in116 mm of precipitation in a typical May.
- Record high
- 95°35° (1987)
- Record low
- 35°2° (2005)
- Heating degree days
- 77
- Cooling degree days
- 118
Calvert City in June
Highs average 85°29° and lows 65°18°, with 4.3 in109 mm of precipitation in a typical June.
- Record high
- 106°41° (2012)
- Record low
- 45°7° (1985)
- Heating degree days
- 5
- Cooling degree days
- 294
Calvert City in July
Highs average 88°31° and lows 69°20°, with 4.3 in108 mm of precipitation in a typical July.
- Record high
- 104°40° (2012)
- Record low
- 52°11° (2013)
- Heating degree days
- 0
- Cooling degree days
- 411
Calvert City in August
Highs average 87°31° and lows 67°19°, with 2.8 in71 mm of precipitation in a typical August.
- Record high
- 104°40° (2007)
- Record low
- 44°7° (1986)
- Heating degree days
- 1
- Cooling degree days
- 377
Calvert City in September
Highs average 81°27° and lows 60°15°, with 3.6 in91 mm of precipitation in a typical September.
- Record high
- 100°38° (2026)
- Record low
- 35°2° (2001)
- Heating degree days
- 30
- Cooling degree days
- 193
Calvert City in OctoberThis month
Highs average 70°21° and lows 47°8°, with 3.6 in92 mm of precipitation in a typical October.
- Record high
- 94°34° (2019)
- Record low
- 22°−6° (1981)
- Heating degree days
- 235
- Cooling degree days
- 38
Calvert City in November
Highs average 57°14° and lows 37°3°, with 4.2 in106 mm of precipitation in a typical November.
- Record high
- 83°28° (1982)
- Record low
- 12°−11° (2014)
- Heating degree days
- 550
- Cooling degree days
- 2
Calvert City in December
Highs average 46°8° and lows 29°−1°, with 4.4 in110 mm of precipitation and 1.8 in4.6 cm of snow in a typical December.
- Record high
- 78°26° (1982)
- Record low
- −12°−24° (1989)
- Heating degree days
- 842
- Cooling degree days
- 0