New Munster weather by month
What a typical year looks like in New Munster, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lake Geneva Wwtp, 16 km from New Munster; records cover 1945–2026.
The year at a glance
- Precipitation a year
- 36.9 in939 mm
- Snow a year
- 40 in102 cm
- Last spring freeze
- Apr 27
- First fall freeze
- Oct 7
- Heating degree days
- 6,514
- Cooling degree days
- 866
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −5°−21° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
New Munster in January
Highs average 30°−1° and lows 15°−9°, with 1.9 in48 mm of precipitation and 14 in35 cm of snow in a typical January.
- Record high
- 59°15° (1997)
- Record low
- −27°−33° (1985)
- Heating degree days
- 1316
- Cooling degree days
- 0
New Munster in February
Highs average 35°1° and lows 17°−8°, with 1.9 in48 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 74°23° (2024)
- Record low
- −25°−32° (1996)
- Heating degree days
- 1099
- Cooling degree days
- 0
New Munster in March
Highs average 45°7° and lows 26°−3°, with 2.3 in58 mm of precipitation and 5 in12 cm of snow in a typical March.
- Record high
- 81°27° (1981)
- Record low
- −15°−26° (1962)
- Heating degree days
- 907
- Cooling degree days
- 0
New Munster in April
Highs average 59°15° and lows 37°3°, with 3.5 in88 mm of precipitation and 2.6 in6.6 cm of snow in a typical April.
- Record high
- 90°32° (1980)
- Record low
- 9°−13° (1982)
- Heating degree days
- 511
- Cooling degree days
- 5
New Munster in May
Highs average 72°22° and lows 48°9°, with 4.1 in105 mm of precipitation in a typical May.
- Record high
- 94°34° (1956)
- Record low
- 26°−3° (1947)
- Heating degree days
- 206
- Cooling degree days
- 51
New Munster in June
Highs average 81°27° and lows 58°15°, with 4.8 in122 mm of precipitation in a typical June.
- Record high
- 104°40° (1988)
- Record low
- 34°1° (1945)
- Heating degree days
- 38
- Cooling degree days
- 175
New Munster in July
Highs average 86°30° and lows 63°17°, with 3.7 in94 mm of precipitation in a typical July.
- Record high
- 104°40° (1995)
- Record low
- 39°4° (1965)
- Heating degree days
- 3
- Cooling degree days
- 291
New Munster in August
Highs average 83°29° and lows 61°16°, with 3.3 in84 mm of precipitation in a typical August.
- Record high
- 106°41° (1988)
- Record low
- 40°4° (1965)
- Heating degree days
- 8
- Cooling degree days
- 236
New Munster in September
Highs average 76°25° and lows 54°12°, with 3.7 in93 mm of precipitation in a typical September.
- Record high
- 100°38° (1953)
- Record low
- 28°−2° (1993)
- Heating degree days
- 96
- Cooling degree days
- 97
New Munster in OctoberThis month
Highs average 63°17° and lows 42°6°, with 3 in76 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 87°31° (1971)
- Record low
- 17°−8° (1988)
- Heating degree days
- 400
- Cooling degree days
- 11
New Munster in November
Highs average 47°9° and lows 31°−1°, with 2.5 in63 mm of precipitation and 3 in9 cm of snow in a typical November.
- Record high
- 75°24° (1950)
- Record low
- −6°−21° (1950)
- Heating degree days
- 777
- Cooling degree days
- 0
New Munster in December
Highs average 35°2° and lows 21°−6°, with 2.3 in59 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 67°19° (2001)
- Record low
- −23°−31° (1983)
- Heating degree days
- 1153
- Cooling degree days
- 0