Monroeville weather by month
What a typical year looks like in Monroeville, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at DECATUR 1 N, 15 km from Monroeville; records cover 1972–2026.
The year at a glance
- Precipitation a year
- 40.6 in1032 mm
- Snow a year
- 28 in71 cm
- Last spring freeze
- Apr 27
- First fall freeze
- Oct 19
- Heating degree days
- 6,008
- Cooling degree days
- 817
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
Monroeville in January
Highs average 33°1° and lows 18°−8°, with 2.5 in64 mm of precipitation and 9 in23 cm of snow in a typical January.
- Record high
- 66°19° (2013)
- Record low
- −20°−29° (1972)
- Heating degree days
- 1218
- Cooling degree days
- 0
Monroeville in February
Highs average 36°2° and lows 20°−6°, with 2.1 in53 mm of precipitation and 8 in19 cm of snow in a typical February.
- Record high
- 73°23° (2018)
- Record low
- −19°−28° (2014)
- Heating degree days
- 1030
- Cooling degree days
- 0
Monroeville in March
Highs average 48°9° and lows 29°−2°, with 2.8 in70 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −3°−19° (1974)
- Heating degree days
- 839
- Cooling degree days
- 2
Monroeville in April
Highs average 61°16° and lows 39°4°, with 4.1 in104 mm of precipitation and 0.5 in1.3 cm of snow in a typical April.
- Record high
- 85°29° (2009)
- Record low
- 16°−9° (1972)
- Heating degree days
- 462
- Cooling degree days
- 6
Monroeville in May
Highs average 72°22° and lows 50°10°, with 4.8 in121 mm of precipitation in a typical May.
- Record high
- 96°36° (2012)
- Record low
- 27°−3° (2021)
- Heating degree days
- 180
- Cooling degree days
- 56
Monroeville in June
Highs average 81°27° and lows 60°16°, with 4.6 in116 mm of precipitation in a typical June.
- Record high
- 102°39° (2012)
- Record low
- 40°4° (2025)
- Heating degree days
- 21
- Cooling degree days
- 185
Monroeville in July
Highs average 84°29° and lows 63°17°, with 4.3 in108 mm of precipitation in a typical July.
- Record high
- 101°38° (1980)
- Record low
- 42°6° (1972)
- Heating degree days
- 4
- Cooling degree days
- 260
Monroeville in August
Highs average 82°28° and lows 61°16°, with 4 in103 mm of precipitation in a typical August.
- Record high
- 96°36° (2010)
- Record low
- 40°4° (1976)
- Heating degree days
- 10
- Cooling degree days
- 205
Monroeville in September
Highs average 77°25° and lows 53°12°, with 3 in77 mm of precipitation in a typical September.
- Record high
- 96°36° (2013)
- Record low
- 34°1° (2012)
- Heating degree days
- 98
- Cooling degree days
- 89
Monroeville in OctoberThis month
Highs average 64°18° and lows 42°6°, with 2.9 in74 mm of precipitation in a typical October.
- Record high
- 90°32° (2007)
- Record low
- 25°−4° (2008)
- Heating degree days
- 384
- Cooling degree days
- 13
Monroeville in November
Highs average 50°10° and lows 33°0°, with 3 in77 mm of precipitation and 1.2 in3 cm of snow in a typical November.
- Record high
- 79°26° (2016)
- Record low
- 5°−15° (2019)
- Heating degree days
- 713
- Cooling degree days
- 1
Monroeville in December
Highs average 38°3° and lows 24°−4°, with 2.6 in66 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 69°21° (2015)
- Record low
- −12°−24° (1976)
- Heating degree days
- 1049
- Cooling degree days
- 0