Laconia weather by month
What a typical year looks like in Laconia, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Brandenburg, 9 km from Laconia; records cover 1999–2026.
The year at a glance
- Precipitation a year
- 53.3 in1354 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 13
- First fall freeze
- Oct 23
- Heating degree days
- 4,674
- Cooling degree days
- 1,139
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 4°−16° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Laconia in January
Highs average 43°6° and lows 23°−5°, with 4 in101 mm of precipitation in a typical January.
- Record high
- 71°22° (2006)
- Record low
- −7°−22° (2004)
- Heating degree days
- 996
- Cooling degree days
- 0
Laconia in February
Highs average 47°8° and lows 25°−4°, with 3.5 in89 mm of precipitation in a typical February.
- Record high
- 78°26° (2017)
- Record low
- −16°−27° (2015)
- Heating degree days
- 804
- Cooling degree days
- 0
Laconia in March
Highs average 57°14° and lows 33°0°, with 4.9 in125 mm of precipitation in a typical March.
- Record high
- 90°32° (2026)
- Record low
- −5°−21° (2015)
- Heating degree days
- 631
- Cooling degree days
- 3
Laconia in April
Highs average 69°21° and lows 42°6°, with 5.4 in136 mm of precipitation in a typical April.
- Record high
- 89°32° (2006)
- Record low
- 21°−6° (2004)
- Heating degree days
- 304
- Cooling degree days
- 23
Laconia in May
Highs average 76°25° and lows 53°12°, with 6 in153 mm of precipitation in a typical May.
- Record high
- 92°33° (2006)
- Record low
- 31°−1° (2005)
- Heating degree days
- 103
- Cooling degree days
- 88
Laconia in June
Highs average 83°28° and lows 61°16°, with 4.5 in114 mm of precipitation in a typical June.
- Record high
- 102°39° (2012)
- Record low
- 44°7° (2000)
- Heating degree days
- 10
- Cooling degree days
- 223
Laconia in July
Highs average 86°30° and lows 65°18°, with 4.9 in125 mm of precipitation in a typical July.
- Record high
- 102°39° (2012)
- Record low
- 51°11° (2006)
- Heating degree days
- 1
- Cooling degree days
- 334
Laconia in August
Highs average 86°30° and lows 63°17°, with 3.6 in91 mm of precipitation in a typical August.
- Record high
- 100°38° (2007)
- Record low
- 46°8° (2025)
- Heating degree days
- 2
- Cooling degree days
- 299
Laconia in September
Highs average 80°27° and lows 56°13°, with 3.8 in98 mm of precipitation in a typical September.
- Record high
- 101°38° (2011)
- Record low
- 31°−1° (2003)
- Heating degree days
- 52
- Cooling degree days
- 143
Laconia in OctoberThis month
Highs average 69°21° and lows 44°7°, with 3.9 in100 mm of precipitation in a typical October.
- Record high
- 97°36° (2019)
- Record low
- 21°−6° (2010)
- Heating degree days
- 284
- Cooling degree days
- 25
Laconia in November
Highs average 56°13° and lows 34°1°, with 4 in100 mm of precipitation in a typical November.
- Record high
- 84°29° (2016)
- Record low
- 10°−12° (2019)
- Heating degree days
- 603
- Cooling degree days
- 1
Laconia in December
Highs average 46°8° and lows 27°−3°, with 4.8 in121 mm of precipitation in a typical December.
- Record high
- 74°23° (2012)
- Record low
- −6°−21° (2004)
- Heating degree days
- 884
- Cooling degree days
- 0