Mayville weather by month
What a typical year looks like in Mayville, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at BEAVER DAM WWTP, 25 km from Mayville; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 36.3 in921 mm
- Snow a year
- 43 in110 cm
- Last spring freeze
- Apr 30
- First fall freeze
- Oct 6
- Heating degree days
- 7,739
- Cooling degree days
- 462
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 91°33° (cooling, 1%).
Month by month
Mayville in January
Highs average 25°−4° and lows 9°−13°, with 1.5 in38 mm of precipitation and 13 in33 cm of snow in a typical January.
- Record high
- 59°15° (2002)
- Record low
- −36°−38° (1963)
- Heating degree days
- 1496
- Cooling degree days
- 0
Mayville in February
Highs average 29°−2° and lows 11°−11°, with 1.4 in36 mm of precipitation and 11 in27 cm of snow in a typical February.
- Record high
- 70°21° (2024)
- Record low
- −30°−34° (1959)
- Heating degree days
- 1260
- Cooling degree days
- 0
Mayville in March
Highs average 41°5° and lows 23°−5°, with 2.1 in54 mm of precipitation and 7 in17 cm of snow in a typical March.
- Record high
- 81°27° (2012)
- Record low
- −22°−30° (1962)
- Heating degree days
- 1034
- Cooling degree days
- 0
Mayville in April
Highs average 54°12° and lows 34°1°, with 3.8 in97 mm of precipitation and 1.7 in4.3 cm of snow in a typical April.
- Record high
- 90°32° (1980)
- Record low
- 6°−14° (1979)
- Heating degree days
- 628
- Cooling degree days
- 1
Mayville in May
Highs average 67°19° and lows 46°8°, with 4.1 in103 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 98°37° (1895)
- Record low
- 23°−5° (1966)
- Heating degree days
- 298
- Cooling degree days
- 22
Mayville in June
Highs average 77°25° and lows 56°13°, with 5 in128 mm of precipitation in a typical June.
- Record high
- 98°37° (1988)
- Record low
- 34°1° (1956)
- Heating degree days
- 64
- Cooling degree days
- 100
Mayville in July
Highs average 80°27° and lows 60°15°, with 4.1 in105 mm of precipitation in a typical July.
- Record high
- 102°39° (2012)
- Record low
- 35°2° (1965)
- Heating degree days
- 15
- Cooling degree days
- 168
Mayville in August
Highs average 78°26° and lows 58°15°, with 4.1 in103 mm of precipitation in a typical August.
- Record high
- 100°38° (1988)
- Record low
- 37°3° (1965)
- Heating degree days
- 28
- Cooling degree days
- 128
Mayville in September
Highs average 72°22° and lows 50°10°, with 3.3 in83 mm of precipitation in a typical September.
- Record high
- 97°36° (1953)
- Record low
- 26°−3° (1974)
- Heating degree days
- 172
- Cooling degree days
- 40
Mayville in OctoberThis month
Highs average 58°15° and lows 38°3°, with 3 in77 mm of precipitation and 0.4 in1 cm of snow in a typical October.
- Record high
- 89°32° (1963)
- Record low
- 14°−10° (2001)
- Heating degree days
- 525
- Cooling degree days
- 3
Mayville in November
Highs average 43°6° and lows 26°−3°, with 2.2 in55 mm of precipitation and 2.1 in5.3 cm of snow in a typical November.
- Record high
- 76°24° (2010)
- Record low
- −12°−24° (1958)
- Heating degree days
- 914
- Cooling degree days
- 0
Mayville in December
Highs average 30°−1° and lows 15°−9°, with 1.7 in42 mm of precipitation and 9 in22 cm of snow in a typical December.
- Record high
- 65°18° (2001)
- Record low
- −24°−31° (1983)
- Heating degree days
- 1305
- Cooling degree days
- 0