Simonton Lake weather by month
What a typical year looks like in Simonton Lake, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at GOSHEN 3SW, 23 km from Simonton Lake; records cover 1914–2026.
The year at a glance
- Precipitation a year
- 39.9 in1012 mm
- Snow a year
- 45 in115 cm
- Last spring freeze
- Apr 26
- First fall freeze
- Oct 16
- Heating degree days
- 6,115
- Cooling degree days
- 791
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Simonton Lake in January
Highs average 32°0° and lows 18°−8°, with 2.8 in71 mm of precipitation and 14 in35 cm of snow in a typical January.
- Record high
- 68°20° (1950)
- Record low
- −25°−32° (1922)
- Heating degree days
- 1248
- Cooling degree days
- 0
Simonton Lake in February
Highs average 36°2° and lows 20°−7°, with 2.3 in59 mm of precipitation and 11 in29 cm of snow in a typical February.
- Record high
- 73°23° (1999)
- Record low
- −21°−29° (1918)
- Heating degree days
- 1040
- Cooling degree days
- 0
Simonton Lake in March
Highs average 47°8° and lows 29°−2°, with 2.4 in62 mm of precipitation and 5 in14 cm of snow in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −19°−28° (1943)
- Heating degree days
- 838
- Cooling degree days
- 1
Simonton Lake in April
Highs average 60°16° and lows 39°4°, with 3.8 in96 mm of precipitation and 1.2 in3 cm of snow in a typical April.
- Record high
- 88°31° (1930)
- Record low
- 1°−17° (1982)
- Heating degree days
- 470
- Cooling degree days
- 5
Simonton Lake in May
Highs average 72°22° and lows 50°10°, with 4.3 in108 mm of precipitation in a typical May.
- Record high
- 95°35° (2012)
- Record low
- 24°−4° (1926)
- Heating degree days
- 187
- Cooling degree days
- 57
Simonton Lake in June
Highs average 80°27° and lows 60°15°, with 4.1 in105 mm of precipitation in a typical June.
- Record high
- 104°40° (1934)
- Record low
- 32°0° (1918)
- Heating degree days
- 26
- Cooling degree days
- 176
Simonton Lake in July
Highs average 83°29° and lows 63°17°, with 4 in101 mm of precipitation in a typical July.
- Record high
- 111°44° (1936)
- Record low
- 39°4° (1919)
- Heating degree days
- 4
- Cooling degree days
- 254
Simonton Lake in August
Highs average 81°27° and lows 61°16°, with 4.1 in103 mm of precipitation in a typical August.
- Record high
- 106°41° (1918)
- Record low
- 37°3° (1946)
- Heating degree days
- 10
- Cooling degree days
- 205
Simonton Lake in September
Highs average 75°24° and lows 54°12°, with 3.3 in83 mm of precipitation in a typical September.
- Record high
- 101°38° (1953)
- Record low
- 25°−4° (1942)
- Heating degree days
- 97
- Cooling degree days
- 83
Simonton Lake in OctoberThis month
Highs average 63°17° and lows 43°6°, with 3.3 in85 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 90°32° (1922)
- Record low
- 16°−9° (1925)
- Heating degree days
- 381
- Cooling degree days
- 10
Simonton Lake in November
Highs average 48°9° and lows 33°0°, with 3 in75 mm of precipitation and 3 in9 cm of snow in a typical November.
- Record high
- 80°27° (1933)
- Record low
- −5°−21° (1950)
- Heating degree days
- 732
- Cooling degree days
- 0
Simonton Lake in December
Highs average 37°3° and lows 24°−5°, with 2.5 in64 mm of precipitation and 10 in25 cm of snow in a typical December.
- Record high
- 69°21° (1982)
- Record low
- −25°−32° (1924)
- Heating degree days
- 1082
- Cooling degree days
- 0