Greenfield weather by month
What a typical year looks like in Greenfield, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at GREENFIELD, 1 km from Greenfield; records cover 1903–2026.
The year at a glance
- Precipitation a year
- 47.8 in1213 mm
- Snow a year
- 20 in51 cm
- Last spring freeze
- Apr 16
- First fall freeze
- Oct 18
- Heating degree days
- 5,705
- Cooling degree days
- 952
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −2°−19° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Greenfield in January
Highs average 35°2° and lows 19°−7°, with 3.3 in84 mm of precipitation and 7 in19 cm of snow in a typical January.
- Record high
- 72°22° (1943)
- Record low
- −29°−34° (1985)
- Heating degree days
- 1189
- Cooling degree days
- 0
Greenfield in February
Highs average 39°4° and lows 22°−6°, with 2.6 in66 mm of precipitation and 5 in14 cm of snow in a typical February.
- Record high
- 76°24° (2018)
- Record low
- −19°−28° (1982)
- Heating degree days
- 973
- Cooling degree days
- 0
Greenfield in March
Highs average 50°10° and lows 30°−1°, with 3.7 in93 mm of precipitation and 1.8 in4.6 cm of snow in a typical March.
- Record high
- 86°30° (2026)
- Record low
- −6°−21° (1943)
- Heating degree days
- 784
- Cooling degree days
- 1
Greenfield in April
Highs average 62°17° and lows 41°5°, with 4.7 in120 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 91°33° (1925)
- Record low
- 16°−9° (1923)
- Heating degree days
- 412
- Cooling degree days
- 9
Greenfield in May
Highs average 73°23° and lows 52°11°, with 5.3 in134 mm of precipitation in a typical May.
- Record high
- 96°36° (1934)
- Record low
- 27°−3° (1926)
- Heating degree days
- 158
- Cooling degree days
- 75
Greenfield in June
Highs average 81°27° and lows 61°16°, with 5.7 in145 mm of precipitation in a typical June.
- Record high
- 106°41° (2012)
- Record low
- 35°2° (2003)
- Heating degree days
- 21
- Cooling degree days
- 207
Greenfield in July
Highs average 84°29° and lows 64°18°, with 4.8 in121 mm of precipitation in a typical July.
- Record high
- 109°43° (1936)
- Record low
- 45°7° (1942)
- Heating degree days
- 3
- Cooling degree days
- 288
Greenfield in August
Highs average 83°28° and lows 62°17°, with 3.7 in95 mm of precipitation in a typical August.
- Record high
- 104°40° (1918)
- Record low
- 40°4° (1915)
- Heating degree days
- 5
- Cooling degree days
- 244
Greenfield in September
Highs average 78°25° and lows 55°13°, with 3.7 in94 mm of precipitation in a typical September.
- Record high
- 103°39° (1939)
- Record low
- 24°−4° (1928)
- Heating degree days
- 77
- Cooling degree days
- 113
Greenfield in OctoberThis month
Highs average 65°18° and lows 43°6°, with 3.5 in88 mm of precipitation in a typical October.
- Record high
- 93°34° (1985)
- Record low
- 15°−9° (1925)
- Heating degree days
- 356
- Cooling degree days
- 15
Greenfield in November
Highs average 51°11° and lows 33°0°, with 3.7 in93 mm of precipitation and 0.7 in1.8 cm of snow in a typical November.
- Record high
- 81°27° (1950)
- Record low
- −2°−19° (1929)
- Heating degree days
- 695
- Cooling degree days
- 0
Greenfield in December
Highs average 39°4° and lows 24°−4°, with 3.2 in82 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 72°22° (1982)
- Record low
- −19°−28° (1989)
- Heating degree days
- 1032
- Cooling degree days
- 0