Mount Horeb weather by month
What a typical year looks like in Mount Horeb, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at UW ARBORETUM - MADISON, 25 km from Mount Horeb; records cover 1971–2026.
The year at a glance
- Precipitation a year
- 40.2 in1021 mm
- Snow a year
- Rare
- Last spring freeze
- May 4
- First fall freeze
- Oct 5
- Heating degree days
- 7,096
- Cooling degree days
- 639
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
Mount Horeb in January
Highs average 28°−2° and lows 11°−12°, with 1.7 in42 mm of precipitation in a typical January.
- Record high
- 59°15° (2025)
- Record low
- −33°−36° (1979)
- Heating degree days
- 1413
- Cooling degree days
- 0
Mount Horeb in February
Highs average 32°0° and lows 14°−10°, with 1.7 in43 mm of precipitation in a typical February.
- Record high
- 73°23° (2024)
- Record low
- −38°−39° (1996)
- Heating degree days
- 1183
- Cooling degree days
- 0
Mount Horeb in March
Highs average 44°7° and lows 25°−4°, with 2.3 in59 mm of precipitation in a typical March.
- Record high
- 83°28° (2012)
- Record low
- −12°−24° (1982)
- Heating degree days
- 951
- Cooling degree days
- 1
Mount Horeb in April
Highs average 57°14° and lows 36°2°, with 4.2 in107 mm of precipitation in a typical April.
- Record high
- 95°35° (1980)
- Record low
- −5°−21° (1982)
- Heating degree days
- 557
- Cooling degree days
- 3
Mount Horeb in May
Highs average 69°21° and lows 47°9°, with 4.6 in116 mm of precipitation in a typical May.
- Record high
- 95°35° (2018)
- Record low
- 22°−6° (1989)
- Heating degree days
- 247
- Cooling degree days
- 39
Mount Horeb in June
Highs average 78°26° and lows 57°14°, with 5.7 in146 mm of precipitation in a typical June.
- Record high
- 104°40° (1988)
- Record low
- 29°−2° (1977)
- Heating degree days
- 50
- Cooling degree days
- 132
Mount Horeb in July
Highs average 82°28° and lows 61°16°, with 4.7 in119 mm of precipitation in a typical July.
- Record high
- 103°39° (2012)
- Record low
- 36°2° (1972)
- Heating degree days
- 10
- Cooling degree days
- 221
Mount Horeb in August
Highs average 81°27° and lows 59°15°, with 4.1 in104 mm of precipitation in a typical August.
- Record high
- 108°42° (1988)
- Record low
- 32°0° (1979)
- Heating degree days
- 19
- Cooling degree days
- 174
Mount Horeb in September
Highs average 74°23° and lows 51°10°, with 3.9 in100 mm of precipitation in a typical September.
- Record high
- 99°37° (1978)
- Record low
- 20°−7° (1974)
- Heating degree days
- 143
- Cooling degree days
- 62
Mount Horeb in OctoberThis month
Highs average 61°16° and lows 39°4°, with 3 in76 mm of precipitation in a typical October.
- Record high
- 93°34° (1976)
- Record low
- 7°−14° (1988)
- Heating degree days
- 464
- Cooling degree days
- 7
Mount Horeb in November
Highs average 46°8° and lows 29°−2°, with 2.3 in59 mm of precipitation in a typical November.
- Record high
- 77°25° (1999)
- Record low
- −14°−26° (1976)
- Heating degree days
- 831
- Cooling degree days
- 0
Mount Horeb in December
Highs average 33°1° and lows 18°−8°, with 1.9 in49 mm of precipitation in a typical December.
- Record high
- 69°21° (2021)
- Record low
- −28°−33° (1983)
- Heating degree days
- 1228
- Cooling degree days
- 0