Boscobel weather by month
What a typical year looks like in Boscobel, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Gays Mills, 22 km from Boscobel; records cover 1986–2026.
The year at a glance
- Precipitation a year
- 37.7 in958 mm
- Snow a year
- 38 in96 cm
- Last spring freeze
- May 5
- First fall freeze
- Oct 3
- Heating degree days
- 7,334
- Cooling degree days
- 644
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −20°−29° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Boscobel in January
Highs average 27°−3° and lows 7°−14°, with 1.3 in34 mm of precipitation and 11 in27 cm of snow in a typical January.
- Record high
- 60°16° (2025)
- Record low
- −45°−43° (2019)
- Heating degree days
- 1483
- Cooling degree days
- 0
Boscobel in February
Highs average 32°0° and lows 11°−12°, with 1.2 in30 mm of precipitation and 8 in20 cm of snow in a typical February.
- Record high
- 69°21° (2024)
- Record low
- −48°−44° (1996)
- Heating degree days
- 1218
- Cooling degree days
- 0
Boscobel in March
Highs average 45°7° and lows 23°−5°, with 2 in52 mm of precipitation and 6 in15 cm of snow in a typical March.
- Record high
- 84°29° (2025)
- Record low
- −23°−31° (2002)
- Heating degree days
- 959
- Cooling degree days
- 1
Boscobel in April
Highs average 58°15° and lows 35°1°, with 3.9 in99 mm of precipitation and 1.6 in4.1 cm of snow in a typical April.
- Record high
- 89°32° (2007)
- Record low
- 10°−12° (1997)
- Heating degree days
- 561
- Cooling degree days
- 3
Boscobel in May
Highs average 70°21° and lows 46°8°, with 4.2 in108 mm of precipitation in a typical May.
- Record high
- 96°36° (2018)
- Record low
- 20°−7° (2005)
- Heating degree days
- 248
- Cooling degree days
- 32
Boscobel in June
Highs average 80°27° and lows 57°14°, with 5.6 in141 mm of precipitation in a typical June.
- Record high
- 100°38° (1988)
- Record low
- 34°1° (1993)
- Heating degree days
- 42
- Cooling degree days
- 138
Boscobel in July
Highs average 83°28° and lows 61°16°, with 4.8 in123 mm of precipitation in a typical July.
- Record high
- 102°39° (1995)
- Record low
- 44°7° (1988)
- Heating degree days
- 9
- Cooling degree days
- 227
Boscobel in August
Highs average 82°28° and lows 59°15°, with 4.4 in113 mm of precipitation in a typical August.
- Record high
- 103°39° (1988)
- Record low
- 38°3° (1986)
- Heating degree days
- 17
- Cooling degree days
- 178
Boscobel in September
Highs average 74°23° and lows 50°10°, with 3.9 in99 mm of precipitation in a typical September.
- Record high
- 98°37° (2023)
- Record low
- 24°−4° (2003)
- Heating degree days
- 149
- Cooling degree days
- 60
Boscobel in OctoberThis month
Highs average 61°16° and lows 37°3°, with 2.7 in68 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 89°32° (1997)
- Record low
- 9°−13° (1988)
- Heating degree days
- 498
- Cooling degree days
- 5
Boscobel in November
Highs average 45°7° and lows 26°−3°, with 2.1 in53 mm of precipitation and 1.9 in4.8 cm of snow in a typical November.
- Record high
- 75°24° (1999)
- Record low
- −10°−23° (1991)
- Heating degree days
- 876
- Cooling degree days
- 0
Boscobel in December
Highs average 33°0° and lows 15°−9°, with 1.6 in39 mm of precipitation and 10 in25 cm of snow in a typical December.
- Record high
- 69°21° (2021)
- Record low
- −33°−36° (2000)
- Heating degree days
- 1274
- Cooling degree days
- 0