La Crosse weather by month
What a typical year looks like in La Crosse, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at La Crosse WFO, 3 km from La Crosse; records cover 2000–2026.
The year at a glance
- Precipitation a year
- 37.5 in952 mm
- Snow a year
- 54 in138 cm
- Last spring freeze
- Apr 28
- First fall freeze
- Oct 12
- Heating degree days
- 7,592
- Cooling degree days
- 543
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
La Crosse in January
Highs average 24°−5° and lows 8°−13°, with 1.1 in28 mm of precipitation and 11 in27 cm of snow in a typical January.
- Record high
- 57°14° (2025)
- Record low
- −31°−35° (2019)
- Heating degree days
- 1520
- Cooling degree days
- 0
La Crosse in February
Highs average 29°−2° and lows 13°−11°, with 1.1 in29 mm of precipitation and 12 in31 cm of snow in a typical February.
- Record high
- 66°19° (2024)
- Record low
- −19°−28° (2021)
- Heating degree days
- 1239
- Cooling degree days
- 0
La Crosse in March
Highs average 41°5° and lows 24°−4°, with 1.9 in49 mm of precipitation and 8 in21 cm of snow in a typical March.
- Record high
- 81°27° (2012)
- Record low
- −15°−26° (2019)
- Heating degree days
- 1000
- Cooling degree days
- 1
La Crosse in April
Highs average 55°13° and lows 36°2°, with 4 in102 mm of precipitation and 5 in11 cm of snow in a typical April.
- Record high
- 87°31° (2002)
- Record low
- 9°−13° (2018)
- Heating degree days
- 580
- Cooling degree days
- 2
La Crosse in May
Highs average 67°20° and lows 48°9°, with 4.9 in125 mm of precipitation in a typical May.
- Record high
- 93°34° (2018)
- Record low
- 25°−4° (2013)
- Heating degree days
- 260
- Cooling degree days
- 29
La Crosse in June
Highs average 76°24° and lows 58°14°, with 5.3 in134 mm of precipitation in a typical June.
- Record high
- 93°34° (2009)
- Record low
- 39°4° (2015)
- Heating degree days
- 54
- Cooling degree days
- 111
La Crosse in July
Highs average 80°26° and lows 62°17°, with 4.3 in108 mm of precipitation in a typical July.
- Record high
- 96°36° (2012)
- Record low
- 46°8° (2013)
- Heating degree days
- 13
- Cooling degree days
- 188
La Crosse in August
Highs average 78°26° and lows 60°16°, with 4.5 in114 mm of precipitation in a typical August.
- Record high
- 97°36° (2023)
- Record low
- 44°7° (2004)
- Heating degree days
- 21
- Cooling degree days
- 152
La Crosse in September
Highs average 71°22° and lows 52°11°, with 4 in102 mm of precipitation in a typical September.
- Record high
- 93°34° (2023)
- Record low
- 33°1° (2000)
- Heating degree days
- 162
- Cooling degree days
- 54
La Crosse in OctoberThis month
Highs average 58°14° and lows 40°4°, with 2.9 in74 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 87°31° (2023)
- Record low
- 18°−8° (2020)
- Heating degree days
- 510
- Cooling degree days
- 6
La Crosse in November
Highs average 42°5° and lows 28°−2°, with 1.9 in49 mm of precipitation and 4 in9 cm of snow in a typical November.
- Record high
- 73°23° (2008)
- Record low
- 2°−17° (2019)
- Heating degree days
- 909
- Cooling degree days
- 0
La Crosse in December
Highs average 29°−2° and lows 15°−9°, with 1.5 in38 mm of precipitation and 15 in37 cm of snow in a typical December.
- Record high
- 65°18° (2021)
- Record low
- −17°−27° (2016)
- Heating degree days
- 1324
- Cooling degree days
- 0