Brandon weather by month
What a typical year looks like in Brandon, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Fond Du Lac County Airport, 24 km from Brandon; records cover 1996–2026.
The year at a glance
- Precipitation a year
- 28.4 in721 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 30
- First fall freeze
- Oct 10
- Heating degree days
- 7,275
- Cooling degree days
- 583
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Brandon in January
Highs average 27°−3° and lows 11°−12°, with 0.73 in19 mm of precipitation in a typical January.
- Record high
- 56°13° (2026)
- Record low
- −28°−33° (2019)
- Heating degree days
- 1429
- Cooling degree days
- 0
Brandon in February
Highs average 30°−1° and lows 14°−10°, with 0.69 in18 mm of precipitation in a typical February.
- Record high
- 71°22° (2024)
- Record low
- −23°−31° (2025)
- Heating degree days
- 1202
- Cooling degree days
- 0
Brandon in March
Highs average 42°6° and lows 24°−4°, with 1.7 in44 mm of precipitation in a typical March.
- Record high
- 83°28° (2012)
- Record low
- −17°−27° (2014)
- Heating degree days
- 987
- Cooling degree days
- 1
Brandon in April
Highs average 56°13° and lows 35°2°, with 2.8 in71 mm of precipitation in a typical April.
- Record high
- 85°29° (2007)
- Record low
- 11°−12° (2018)
- Heating degree days
- 590
- Cooling degree days
- 2
Brandon in May
Highs average 68°20° and lows 47°8°, with 3.3 in84 mm of precipitation in a typical May.
- Record high
- 95°35° (2018)
- Record low
- 25°−4° (2004)
- Heating degree days
- 267
- Cooling degree days
- 31
Brandon in June
Highs average 78°26° and lows 57°14°, with 4.1 in105 mm of precipitation in a typical June.
- Record high
- 97°36° (2007)
- Record low
- 35°2° (2003)
- Heating degree days
- 50
- Cooling degree days
- 124
Brandon in July
Highs average 82°28° and lows 61°16°, with 3.4 in86 mm of precipitation in a typical July.
- Record high
- 102°39° (2012)
- Record low
- 46°8° (2001)
- Heating degree days
- 11
- Cooling degree days
- 207
Brandon in August
Highs average 80°26° and lows 59°15°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 98°37° (2023)
- Record low
- 40°4° (2009)
- Heating degree days
- 20
- Cooling degree days
- 155
Brandon in September
Highs average 73°23° and lows 51°11°, with 2.9 in73 mm of precipitation in a typical September.
- Record high
- 95°35° (2023)
- Record low
- 31°−1° (2012)
- Heating degree days
- 150
- Cooling degree days
- 57
Brandon in OctoberThis month
Highs average 59°15° and lows 40°4°, with 2.5 in65 mm of precipitation in a typical October.
- Record high
- 88°31° (2007)
- Record low
- 21°−6° (2012)
- Heating degree days
- 485
- Cooling degree days
- 6
Brandon in November
Highs average 45°7° and lows 29°−2°, with 1.8 in47 mm of precipitation in a typical November.
- Record high
- 77°25° (2020)
- Record low
- −2°−19° (2014)
- Heating degree days
- 849
- Cooling degree days
- 0
Brandon in December
Highs average 32°0° and lows 18°−8°, with 0.92 in23 mm of precipitation in a typical December.
- Record high
- 65°18° (2001)
- Record low
- −19°−28° (2000)
- Heating degree days
- 1235
- Cooling degree days
- 0