Hartsville weather by month
What a typical year looks like in Hartsville, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at COLUMBUS, 22 km from Hartsville; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 47.3 in1202 mm
- Snow a year
- 16 in41 cm
- Last spring freeze
- Apr 8
- First fall freeze
- Oct 23
- Heating degree days
- 5,084
- Cooling degree days
- 1,127
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 2°−17° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Hartsville in January
Highs average 39°4° and lows 22°−6°, with 3.4 in87 mm of precipitation and 6 in15 cm of snow in a typical January.
- Record high
- 75°24° (1943)
- Record low
- −27°−33° (1912)
- Heating degree days
- 1083
- Cooling degree days
- 0
Hartsville in February
Highs average 43°6° and lows 24°−5°, with 2.9 in74 mm of precipitation and 5 in11 cm of snow in a typical February.
- Record high
- 79°26° (2018)
- Record low
- −27°−33° (1899)
- Heating degree days
- 888
- Cooling degree days
- 0
Hartsville in March
Highs average 54°12° and lows 32°0°, with 3.8 in96 mm of precipitation and 1.8 in4.6 cm of snow in a typical March.
- Record high
- 89°32° (1910)
- Record low
- −7°−22° (1960)
- Heating degree days
- 693
- Cooling degree days
- 2
Hartsville in April
Highs average 66°19° and lows 42°6°, with 5 in127 mm of precipitation in a typical April.
- Record high
- 93°34° (1925)
- Record low
- 16°−9° (1923)
- Heating degree days
- 347
- Cooling degree days
- 14
Hartsville in May
Highs average 75°24° and lows 53°12°, with 5 in127 mm of precipitation in a typical May.
- Record high
- 98°37° (1916)
- Record low
- 27°−3° (1926)
- Heating degree days
- 122
- Cooling degree days
- 89
Hartsville in June
Highs average 83°28° and lows 62°17°, with 5.3 in135 mm of precipitation in a typical June.
- Record high
- 108°42° (1933)
- Record low
- 35°2° (1910)
- Heating degree days
- 12
- Cooling degree days
- 241
Hartsville in July
Highs average 86°30° and lows 65°19°, with 4.5 in115 mm of precipitation in a typical July.
- Record high
- 111°44° (1901)
- Record low
- 42°6° (1947)
- Heating degree days
- 1
- Cooling degree days
- 334
Hartsville in August
Highs average 85°30° and lows 63°17°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 106°41° (1936)
- Record low
- 40°4° (1915)
- Heating degree days
- 2
- Cooling degree days
- 292
Hartsville in September
Highs average 80°27° and lows 55°13°, with 3.2 in82 mm of precipitation in a typical September.
- Record high
- 103°39° (1922)
- Record low
- 25°−4° (1928)
- Heating degree days
- 58
- Cooling degree days
- 134
Hartsville in OctoberThis month
Highs average 68°20° and lows 44°6°, with 3.4 in86 mm of precipitation in a typical October.
- Record high
- 97°36° (1916)
- Record low
- 13°−11° (1895)
- Heating degree days
- 306
- Cooling degree days
- 20
Hartsville in November
Highs average 54°12° and lows 34°1°, with 3.6 in91 mm of precipitation and 0.1 in0.3 cm of snow in a typical November.
- Record high
- 86°30° (1950)
- Record low
- −2°−19° (1950)
- Heating degree days
- 628
- Cooling degree days
- 1
Hartsville in December
Highs average 43°6° and lows 26°−3°, with 3.7 in94 mm of precipitation and 4 in10 cm of snow in a typical December.
- Record high
- 73°23° (1982)
- Record low
- −20°−29° (1917)
- Heating degree days
- 944
- Cooling degree days
- 0