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Lancaster weather by month

What a typical year looks like in Lancaster, Kentucky: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Crab Orchard 6 N, 19 km from Lancaster; records cover 1979–2026.

Today’s Lancaster forecast

The year at a glance

January: typical high 44.6°F, low 26.8°F, precipitation 3.67 in. February: typical high 49.6°F, low 29.7°F, precipitation 3.49 in. March: typical high 58.8°F, low 36.2°F, precipitation 4.74 in. April: typical high 70°F, low 45°F, precipitation 4.61 in. May: typical high 76.8°F, low 53.8°F, precipitation 5.09 in. June: typical high 83.1°F, low 61.4°F, precipitation 5.12 in. July: typical high 85.7°F, low 64.9°F, precipitation 5.19 in. August: typical high 85.4°F, low 63.2°F, precipitation 3.61 in. September: typical high 80.3°F, low 57.2°F, precipitation 3.93 in. October: typical high 70.2°F, low 46.4°F, precipitation 3.53 in. November: typical high 58.4°F, low 36.6°F, precipitation 3.54 in. December: typical high 48.2°F, low 30.3°F, precipitation 4.03 in.−30°−34°−10°−23°10°−12°30°−1°50°10°70°21°90°32°110°43°45°7°27°−3°Jan50°10°30°−1°Feb59°15°36°2°Mar70°21°45°7°Apr77°25°54°12°May83°28°61°16°Jun86°30°65°18°Jul85°30°63°17°Aug80°27°57°14°Sep70°21°46°8°Oct58°15°37°3°Nov48°9°30°−1°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
50.6 in1284 mm
Snow a year
7 in19 cm
Last spring freeze
Apr 24
First fall freeze
Oct 21
Heating degree days
4,129
Cooling degree days
1,161

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 7°−14° (heating, 99%) and 95°35° (cooling, 1%).

Month by month

Lancaster in January

Highs average 45°7° and lows 27°−3°, with 3.7 in93 mm of precipitation and 3 in8 cm of snow in a typical January.

Record high
76°24° (2002)
Record low
−24°−31° (1985)
Heating degree days
908
Cooling degree days
0

Lancaster in February

Highs average 50°10° and lows 30°−1°, with 3.5 in89 mm of precipitation and 1.8 in4.6 cm of snow in a typical February.

Record high
79°26° (1996)
Record low
−15°−26° (2015)
Heating degree days
710
Cooling degree days
0

Lancaster in March

Highs average 59°15° and lows 36°2°, with 4.7 in120 mm of precipitation and 1 in2.5 cm of snow in a typical March.

Record high
87°31° (2026)
Record low
−12°−24° (2015)
Heating degree days
548
Cooling degree days
6

Lancaster in April

Highs average 70°21° and lows 45°7°, with 4.6 in117 mm of precipitation in a typical April.

Record high
90°32° (1986)
Record low
17°−8° (1982)
Heating degree days
255
Cooling degree days
30

Lancaster in May

Highs average 77°25° and lows 54°12°, with 5.1 in129 mm of precipitation in a typical May.

Record high
92°33° (1987)
Record low
27°−3° (2020)
Heating degree days
90
Cooling degree days
99

Lancaster in June

Highs average 83°28° and lows 61°16°, with 5.1 in130 mm of precipitation in a typical June.

Record high
105°41° (2012)
Record low
32°0° (1988)
Heating degree days
8
Cooling degree days
226

Lancaster in July

Highs average 86°30° and lows 65°18°, with 5.2 in132 mm of precipitation in a typical July.

Record high
103°39° (1988)
Record low
45°7° (1983)
Heating degree days
0
Cooling degree days
320

Lancaster in August

Highs average 85°30° and lows 63°17°, with 3.6 in92 mm of precipitation in a typical August.

Record high
104°40° (1988)
Record low
36°2° (1986)
Heating degree days
2
Cooling degree days
291

Lancaster in September

Highs average 80°27° and lows 57°14°, with 3.9 in100 mm of precipitation in a typical September.

Record high
100°38° (2011)
Record low
29°−2° (1993)
Heating degree days
42
Cooling degree days
154

Lancaster in OctoberThis month

Highs average 70°21° and lows 46°8°, with 3.5 in90 mm of precipitation in a typical October.

Record high
96°36° (2019)
Record low
19°−7° (1987)
Heating degree days
240
Cooling degree days
32

Lancaster in November

Highs average 58°15° and lows 37°3°, with 3.5 in90 mm of precipitation and 0.2 in0.5 cm of snow in a typical November.

Record high
84°29° (2016)
Record low
8°−13° (1986)
Heating degree days
528
Cooling degree days
3

Lancaster in December

Highs average 48°9° and lows 30°−1°, with 4 in102 mm of precipitation and 1.4 in3.6 cm of snow in a typical December.

Record high
77°25° (1982)
Record low
−18°−28° (1989)
Heating degree days
798
Cooling degree days
0