Millston weather by month
What a typical year looks like in Millston, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mather 3 NW, 24 km from Millston; records cover 1903–2026.
The year at a glance
- Precipitation a year
- 35.2 in895 mm
- Snow a year
- 48 in122 cm
- Last spring freeze
- May 13
- First fall freeze
- Oct 1
- Heating degree days
- 8,084
- Cooling degree days
- 438
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −18°−28° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Millston in January
Highs average 24°−4° and lows 5°−15°, with 1.1 in29 mm of precipitation and 11 in29 cm of snow in a typical January.
- Record high
- 58°14° (1981)
- Record low
- −43°−42° (1951)
- Heating degree days
- 1556
- Cooling degree days
- 0
Millston in February
Highs average 29°−2° and lows 8°−13°, with 1 in26 mm of precipitation and 10 in26 cm of snow in a typical February.
- Record high
- 68°20° (2024)
- Record low
- −39° (1918)
- Heating degree days
- 1299
- Cooling degree days
- 0
Millston in March
Highs average 41°5° and lows 20°−7°, with 1.9 in48 mm of precipitation and 7 in19 cm of snow in a typical March.
- Record high
- 84°29° (1986)
- Record low
- −37°−38° (1962)
- Heating degree days
- 1071
- Cooling degree days
- 0
Millston in April
Highs average 55°13° and lows 32°0°, with 3.6 in90 mm of precipitation and 4 in9 cm of snow in a typical April.
- Record high
- 92°33° (1952)
- Record low
- 3°−16° (1924)
- Heating degree days
- 648
- Cooling degree days
- 1
Millston in May
Highs average 68°20° and lows 44°7°, with 4.3 in109 mm of precipitation in a typical May.
- Record high
- 96°36° (1934)
- Record low
- 16°−9° (1911)
- Heating degree days
- 303
- Cooling degree days
- 22
Millston in June
Highs average 77°25° and lows 54°12°, with 5.2 in133 mm of precipitation in a typical June.
- Record high
- 105°41° (1934)
- Record low
- 30°−1° (1913)
- Heating degree days
- 73
- Cooling degree days
- 94
Millston in July
Highs average 81°27° and lows 58°14°, with 4.2 in107 mm of precipitation in a typical July.
- Record high
- 106°41° (1936)
- Record low
- 32°0° (1929)
- Heating degree days
- 23
- Cooling degree days
- 164
Millston in August
Highs average 79°26° and lows 56°13°, with 4.3 in110 mm of precipitation in a typical August.
- Record high
- 107°42° (1948)
- Record low
- 28°−2° (1904)
- Heating degree days
- 42
- Cooling degree days
- 118
Millston in September
Highs average 71°22° and lows 47°8°, with 3.4 in85 mm of precipitation in a typical September.
- Record high
- 101°38° (1922)
- Record low
- 18°−8° (1949)
- Heating degree days
- 208
- Cooling degree days
- 36
Millston in OctoberThis month
Highs average 58°14° and lows 36°2°, with 2.8 in71 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 91°33° (1963)
- Record low
- 3°−16° (1925)
- Heating degree days
- 561
- Cooling degree days
- 3
Millston in November
Highs average 43°6° and lows 25°−4°, with 1.9 in49 mm of precipitation and 2.9 in7.4 cm of snow in a typical November.
- Record high
- 78°26° (1950)
- Record low
- −12°−24° (1930)
- Heating degree days
- 944
- Cooling degree days
- 0
Millston in December
Highs average 30°−1° and lows 13°−11°, with 1.5 in38 mm of precipitation and 12 in30 cm of snow in a typical December.
- Record high
- 64°18° (2021)
- Record low
- −29°−34° (1983)
- Heating degree days
- 1356
- Cooling degree days
- 0