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Kewaunee weather by month

What a typical year looks like in Kewaunee, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Kewaunee, 1 km from Kewaunee; records cover 1908–2026.

Today’s Kewaunee forecast

The year at a glance

January: typical high 26.1°F, low 12.4°F, precipitation 1.48 in. February: typical high 28.8°F, low 13.8°F, precipitation 1.05 in. March: typical high 37.7°F, low 23.2°F, precipitation 1.66 in. April: typical high 48.4°F, low 34.2°F, precipitation 2.98 in. May: typical high 59.8°F, low 44.1°F, precipitation 3.3 in. June: typical high 70.2°F, low 54.4°F, precipitation 3.77 in. July: typical high 76.3°F, low 60.2°F, precipitation 3.6 in. August: typical high 75.3°F, low 59.8°F, precipitation 3.42 in. September: typical high 68.1°F, low 52.1°F, precipitation 3.1 in. October: typical high 55.3°F, low 41°F, precipitation 2.91 in. November: typical high 42.8°F, low 29.5°F, precipitation 2.17 in. December: typical high 31.5°F, low 19.3°F, precipitation 1.64 in.−40°−40°−20°−29°0°−18°20°−7°40°4°60°16°80°27°100°38°26°−3°12°−11°Jan29°−2°14°−10°Feb38°3°23°−5°Mar48°9°34°1°Apr60°15°44°7°May70°21°54°12°Jun76°25°60°16°Jul75°24°60°15°Aug68°20°52°11°Sep55°13°41°5°Oct43°6°30°−1°Nov32°0°19°−7°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
31.1 in789 mm
Snow a year
48 in122 cm
Last spring freeze
May 3
First fall freeze
Oct 14
Heating degree days
7,817
Cooling degree days
325

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −8°−22° (heating, 99%) and 88°31° (cooling, 1%).

Month by month

Kewaunee in January

Highs average 26°−3° and lows 12°−11°, with 1.5 in38 mm of precipitation and 14 in34 cm of snow in a typical January.

Record high
59°15° (1944)
Record low
−29°−34° (1985)
Heating degree days
1418
Cooling degree days
0

Kewaunee in February

Highs average 29°−2° and lows 14°−10°, with 1.1 in27 mm of precipitation and 13 in32 cm of snow in a typical February.

Record high
59°15° (2017)
Record low
−26°−32° (1933)
Heating degree days
1224
Cooling degree days
0

Kewaunee in March

Highs average 38°3° and lows 23°−5°, with 1.7 in42 mm of precipitation and 6 in16 cm of snow in a typical March.

Record high
78°26° (1910)
Record low
−16°−27° (1962)
Heating degree days
1071
Cooling degree days
0

Kewaunee in April

Highs average 48°9° and lows 34°1°, with 3 in76 mm of precipitation and 2.4 in6.1 cm of snow in a typical April.

Record high
87°31° (1962)
Record low
9°−13° (1954)
Heating degree days
711
Cooling degree days
0

Kewaunee in May

Highs average 60°15° and lows 44°7°, with 3.3 in84 mm of precipitation in a typical May.

Record high
93°34° (1934)
Record low
22°−6° (1911)
Heating degree days
409
Cooling degree days
4

Kewaunee in June

Highs average 70°21° and lows 54°12°, with 3.8 in96 mm of precipitation in a typical June.

Record high
100°38° (1931)
Record low
31°−1° (1990)
Heating degree days
128
Cooling degree days
48

Kewaunee in July

Highs average 76°25° and lows 60°16°, with 3.6 in91 mm of precipitation in a typical July.

Record high
104°40° (1916)
Record low
39°4° (1926)
Heating degree days
31
Cooling degree days
132

Kewaunee in August

Highs average 75°24° and lows 60°15°, with 3.4 in87 mm of precipitation in a typical August.

Record high
102°39° (1916)
Record low
38°3° (1915)
Heating degree days
32
Cooling degree days
111

Kewaunee in September

Highs average 68°20° and lows 52°11°, with 3.1 in79 mm of precipitation in a typical September.

Record high
98°37° (1931)
Record low
25°−4° (1926)
Heating degree days
176
Cooling degree days
29

Kewaunee in OctoberThis month

Highs average 55°13° and lows 41°5°, with 2.9 in74 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.

Record high
89°32° (1963)
Record low
19°−7° (1917)
Heating degree days
523
Cooling degree days
1

Kewaunee in November

Highs average 43°6° and lows 30°−1°, with 2.2 in55 mm of precipitation and 2.2 in5.6 cm of snow in a typical November.

Record high
74°23° (2020)
Record low
−7°−22° (1976)
Heating degree days
866
Cooling degree days
0

Kewaunee in December

Highs average 32°0° and lows 19°−7°, with 1.6 in42 mm of precipitation and 11 in28 cm of snow in a typical December.

Record high
66°19° (2001)
Record low
−20°−29° (1983)
Heating degree days
1228
Cooling degree days
0