Dyer weather by month
What a typical year looks like in Dyer, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at PARK FOREST WATER, 14 km from Dyer; records cover 1952–2026.
The year at a glance
- Precipitation a year
- 42.1 in1069 mm
- Snow a year
- 28 in72 cm
- Last spring freeze
- Apr 18
- First fall freeze
- Oct 14
- Heating degree days
- 6,348
- Cooling degree days
- 859
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Dyer in January
Highs average 31°0° and lows 15°−9°, with 2.5 in63 mm of precipitation and 10 in26 cm of snow in a typical January.
- Record high
- 65°18° (1967)
- Record low
- −27°−33° (1985)
- Heating degree days
- 1297
- Cooling degree days
- 0
Dyer in February
Highs average 35°2° and lows 18°−8°, with 2.2 in55 mm of precipitation and 8 in19 cm of snow in a typical February.
- Record high
- 71°22° (2000)
- Record low
- −21°−29° (2019)
- Heating degree days
- 1070
- Cooling degree days
- 0
Dyer in March
Highs average 46°8° and lows 28°−2°, with 2.7 in67 mm of precipitation and 5 in12 cm of snow in a typical March.
- Record high
- 86°30° (2012)
- Record low
- −6°−21° (2002)
- Heating degree days
- 862
- Cooling degree days
- 2
Dyer in April
Highs average 59°15° and lows 38°3°, with 4 in102 mm of precipitation and 0.5 in1.3 cm of snow in a typical April.
- Record high
- 89°32° (1980)
- Record low
- 9°−13° (1982)
- Heating degree days
- 492
- Cooling degree days
- 6
Dyer in May
Highs average 71°21° and lows 49°10°, with 4.6 in116 mm of precipitation in a typical May.
- Record high
- 97°36° (2018)
- Record low
- 25°−4° (1966)
- Heating degree days
- 214
- Cooling degree days
- 58
Dyer in June
Highs average 80°27° and lows 59°15°, with 4.9 in125 mm of precipitation in a typical June.
- Record high
- 102°39° (1988)
- Record low
- 36°2° (1972)
- Heating degree days
- 40
- Cooling degree days
- 177
Dyer in July
Highs average 84°29° and lows 64°18°, with 4.7 in120 mm of precipitation in a typical July.
- Record high
- 102°39° (1988)
- Record low
- 45°7° (1972)
- Heating degree days
- 4
- Cooling degree days
- 279
Dyer in August
Highs average 82°28° and lows 62°17°, with 4 in102 mm of precipitation in a typical August.
- Record high
- 103°39° (1988)
- Record low
- 41°5° (1986)
- Heating degree days
- 9
- Cooling degree days
- 226
Dyer in September
Highs average 76°24° and lows 55°13°, with 3.4 in87 mm of precipitation in a typical September.
- Record high
- 99°37° (1953)
- Record low
- 29°−2° (1995)
- Heating degree days
- 93
- Cooling degree days
- 99
Dyer in OctoberThis month
Highs average 63°17° and lows 42°6°, with 3.7 in93 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 91°33° (1963)
- Record low
- 17°−8° (1952)
- Heating degree days
- 392
- Cooling degree days
- 12
Dyer in November
Highs average 48°9° and lows 31°0°, with 3 in76 mm of precipitation and 0.9 in2.3 cm of snow in a typical November.
- Record high
- 77°25° (1978)
- Record low
- 0°−18° (1955)
- Heating degree days
- 756
- Cooling degree days
- 0
Dyer in December
Highs average 36°2° and lows 22°−6°, with 2.5 in63 mm of precipitation and 4 in10 cm of snow in a typical December.
- Record high
- 70°21° (1982)
- Record low
- −21°−29° (1983)
- Heating degree days
- 1119
- Cooling degree days
- 0