South Wayne weather by month
What a typical year looks like in South Wayne, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Darlington Wwtp, 23 km from South Wayne; records cover 1901–2026.
The year at a glance
- Precipitation a year
- 37.6 in956 mm
- Snow a year
- 36 in91 cm
- Last spring freeze
- May 2
- First fall freeze
- Oct 8
- Heating degree days
- 7,383
- Cooling degree days
- 570
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −17°−27° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
South Wayne in January
Highs average 27°−3° and lows 8°−13°, with 1.3 in33 mm of precipitation and 11 in29 cm of snow in a typical January.
- Record high
- 59°15° (1989)
- Record low
- −41° (1951)
- Heating degree days
- 1461
- Cooling degree days
- 0
South Wayne in February
Highs average 32°0° and lows 12°−11°, with 1.4 in36 mm of precipitation and 9 in23 cm of snow in a typical February.
- Record high
- 72°22° (2024)
- Record low
- −39° (2019)
- Heating degree days
- 1214
- Cooling degree days
- 0
South Wayne in March
Highs average 44°7° and lows 23°−5°, with 2 in51 mm of precipitation and 5 in12 cm of snow in a typical March.
- Record high
- 84°29° (1986)
- Record low
- −33°−36° (1962)
- Heating degree days
- 974
- Cooling degree days
- 1
South Wayne in April
Highs average 58°14° and lows 35°2°, with 3.9 in99 mm of precipitation and 1 in2.5 cm of snow in a typical April.
- Record high
- 93°34° (1980)
- Record low
- −1°−18° (1982)
- Heating degree days
- 567
- Cooling degree days
- 3
South Wayne in May
Highs average 69°21° and lows 46°8°, with 4.2 in106 mm of precipitation and 0.6 in1.5 cm of snow in a typical May.
- Record high
- 104°40° (1934)
- Record low
- 20°−7° (1918)
- Heating degree days
- 260
- Cooling degree days
- 35
South Wayne in June
Highs average 79°26° and lows 57°14°, with 5.3 in134 mm of precipitation in a typical June.
- Record high
- 104°40° (1934)
- Record low
- 30°−1° (1913)
- Heating degree days
- 46
- Cooling degree days
- 129
South Wayne in July
Highs average 82°28° and lows 60°15°, with 4.2 in107 mm of precipitation in a typical July.
- Record high
- 107°42° (1936)
- Record low
- 39°4° (1911)
- Heating degree days
- 12
- Cooling degree days
- 197
South Wayne in August
Highs average 81°27° and lows 58°14°, with 4.4 in111 mm of precipitation in a typical August.
- Record high
- 102°39° (1988)
- Record low
- 29°−2° (1915)
- Heating degree days
- 23
- Cooling degree days
- 147
South Wayne in September
Highs average 74°23° and lows 48°9°, with 4.1 in104 mm of precipitation in a typical September.
- Record high
- 100°38° (1922)
- Record low
- 21°−6° (1949)
- Heating degree days
- 170
- Cooling degree days
- 53
South Wayne in OctoberThis month
Highs average 61°16° and lows 37°3°, with 2.8 in71 mm of precipitation and 0.6 in1.5 cm of snow in a typical October.
- Record high
- 91°33° (1976)
- Record low
- −2°−19° (1925)
- Heating degree days
- 499
- Cooling degree days
- 5
South Wayne in November
Highs average 46°8° and lows 26°−3°, with 2.4 in60 mm of precipitation and 2.2 in5.6 cm of snow in a typical November.
- Record high
- 79°26° (1933)
- Record low
- −20°−29° (1947)
- Heating degree days
- 880
- Cooling degree days
- 0
South Wayne in December
Highs average 33°0° and lows 15°−9°, with 1.7 in43 mm of precipitation and 6 in16 cm of snow in a typical December.
- Record high
- 71°22° (2021)
- Record low
- −33°−36° (1950)
- Heating degree days
- 1277
- Cooling degree days
- 0