Spencer weather by month
What a typical year looks like in Spencer, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Bloomington Monroe County Airport, 21 km from Spencer; records cover 1998–2026.
The year at a glance
- Precipitation a year
- 46.9 in1192 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 17
- First fall freeze
- Oct 17
- Heating degree days
- 5,084
- Cooling degree days
- 1,024
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Spencer in January
Highs average 39°4° and lows 22°−6°, with 3.4 in86 mm of precipitation in a typical January.
- Record high
- 69°21° (2006)
- Record low
- −22°−30° (2004)
- Heating degree days
- 1075
- Cooling degree days
- 0
Spencer in February
Highs average 43°6° and lows 25°−4°, with 2.7 in68 mm of precipitation in a typical February.
- Record high
- 76°24° (2024)
- Record low
- −16°−27° (2015)
- Heating degree days
- 875
- Cooling degree days
- 0
Spencer in March
Highs average 54°12° and lows 33°0°, with 3.8 in97 mm of precipitation in a typical March.
- Record high
- 87°31° (2026)
- Record low
- −1°−18° (2015)
- Heating degree days
- 678
- Cooling degree days
- 3
Spencer in April
Highs average 66°19° and lows 43°6°, with 4.9 in125 mm of precipitation in a typical April.
- Record high
- 87°31° (2006)
- Record low
- 20°−7° (2013)
- Heating degree days
- 337
- Cooling degree days
- 17
Spencer in May
Highs average 74°24° and lows 53°12°, with 4.5 in114 mm of precipitation in a typical May.
- Record high
- 92°33° (2012)
- Record low
- 29°−2° (2020)
- Heating degree days
- 123
- Cooling degree days
- 85
Spencer in June
Highs average 82°28° and lows 62°17°, with 5.1 in129 mm of precipitation in a typical June.
- Record high
- 103°39° (2012)
- Record low
- 37°3° (2003)
- Heating degree days
- 12
- Cooling degree days
- 224
Spencer in July
Highs average 85°29° and lows 64°18°, with 4.9 in124 mm of precipitation in a typical July.
- Record high
- 106°41° (2012)
- Record low
- 47°8° (2001)
- Heating degree days
- 2
- Cooling degree days
- 301
Spencer in August
Highs average 84°29° and lows 62°17°, with 3.3 in85 mm of precipitation in a typical August.
- Record high
- 101°38° (2007)
- Record low
- 44°7° (2004)
- Heating degree days
- 4
- Cooling degree days
- 262
Spencer in September
Highs average 78°26° and lows 55°13°, with 3.6 in91 mm of precipitation in a typical September.
- Record high
- 99°37° (2011)
- Record low
- 32°0° (1999)
- Heating degree days
- 70
- Cooling degree days
- 113
Spencer in OctoberThis month
Highs average 67°19° and lows 44°7°, with 3.7 in94 mm of precipitation in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 22°−6° (2023)
- Heating degree days
- 320
- Cooling degree days
- 19
Spencer in November
Highs average 53°12° and lows 34°1°, with 3.7 in95 mm of precipitation in a typical November.
- Record high
- 82°28° (2016)
- Record low
- 5°−15° (2019)
- Heating degree days
- 639
- Cooling degree days
- 0
Spencer in December
Highs average 42°6° and lows 27°−3°, with 3.3 in84 mm of precipitation in a typical December.
- Record high
- 73°23° (1998)
- Record low
- −19°−28° (2004)
- Heating degree days
- 949
- Cooling degree days
- 0