Lake Arrowhead weather by month
What a typical year looks like in Lake Arrowhead, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Wisconsin Rapids Alexander Field, 17 km from Lake Arrowhead; records cover 1996–2026.
The year at a glance
- Precipitation a year
- 31.3 in795 mm
- Snow a year
- Rare
- Last spring freeze
- May 13
- First fall freeze
- Oct 2
- Heating degree days
- 7,831
- Cooling degree days
- 502
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −14°−26° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Lake Arrowhead in January
Highs average 25°−4° and lows 8°−13°, with 0.95 in24 mm of precipitation in a typical January.
- Record high
- 54°12° (2025)
- Record low
- −32°−36° (2019)
- Heating degree days
- 1516
- Cooling degree days
- 0
Lake Arrowhead in February
Highs average 29°−2° and lows 11°−12°, with 0.9 in23 mm of precipitation in a typical February.
- Record high
- 72°22° (2024)
- Record low
- −23°−31° (2008)
- Heating degree days
- 1266
- Cooling degree days
- 0
Lake Arrowhead in March
Highs average 42°5° and lows 22°−6°, with 2 in50 mm of precipitation in a typical March.
- Record high
- 82°28° (2007)
- Record low
- −23°−31° (2014)
- Heating degree days
- 1036
- Cooling degree days
- 1
Lake Arrowhead in April
Highs average 56°13° and lows 33°0°, with 3 in76 mm of precipitation in a typical April.
- Record high
- 89°32° (2002)
- Record low
- 5°−15° (2018)
- Heating degree days
- 622
- Cooling degree days
- 1
Lake Arrowhead in May
Highs average 69°20° and lows 45°7°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 98°37° (2018)
- Record low
- 23°−5° (2004)
- Heating degree days
- 286
- Cooling degree days
- 24
Lake Arrowhead in June
Highs average 78°26° and lows 55°13°, with 4.6 in116 mm of precipitation in a typical June.
- Record high
- 96°36° (2018)
- Record low
- 34°1° (1998)
- Heating degree days
- 61
- Cooling degree days
- 104
Lake Arrowhead in July
Highs average 82°28° and lows 59°15°, with 3.6 in90 mm of precipitation in a typical July.
- Record high
- 102°39° (2012)
- Record low
- 41°5° (1997)
- Heating degree days
- 15
- Cooling degree days
- 188
Lake Arrowhead in August
Highs average 80°27° and lows 57°14°, with 3.8 in97 mm of precipitation in a typical August.
- Record high
- 99°37° (2023)
- Record low
- 35°2° (2004)
- Heating degree days
- 30
- Cooling degree days
- 136
Lake Arrowhead in September
Highs average 72°22° and lows 49°9°, with 3.4 in87 mm of precipitation in a typical September.
- Record high
- 100°38° (2023)
- Record low
- 28°−2° (2009)
- Heating degree days
- 186
- Cooling degree days
- 44
Lake Arrowhead in OctoberThis month
Highs average 58°14° and lows 37°3°, with 2.5 in64 mm of precipitation in a typical October.
- Record high
- 88°31° (2023)
- Record low
- 20°−7° (1996)
- Heating degree days
- 547
- Cooling degree days
- 4
Lake Arrowhead in November
Highs average 43°6° and lows 26°−4°, with 1.7 in43 mm of precipitation in a typical November.
- Record high
- 75°24° (2020)
- Record low
- −8°−22° (1996)
- Heating degree days
- 928
- Cooling degree days
- 0
Lake Arrowhead in December
Highs average 30°−1° and lows 14°−10°, with 1.2 in31 mm of precipitation in a typical December.
- Record high
- 63°17° (2021)
- Record low
- −23°−31° (2000)
- Heating degree days
- 1338
- Cooling degree days
- 0