December weather forecast and climate
Manitowoc, WI

What is the temperature in December in Manitowoc?

In Manitowoc, in December, the average high-temperature is 30°F (-1.1°C), and the average low-temperature is 19°F (-7.2°C).

How much does it rain in Manitowoc in December?

In Manitowoc, Wisconsin, in December, typically, 1.6" (40.9mm) of precipitation is accumulated.

What is the water temperature in December in Manitowoc?

The average seawater temperature, in December, is 40.6°F (4.8°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
Average temperature in December - Manitowoc, WI
  • Average high temperature in December: 30°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (26°F).

  • Average low temperature in December: 19°F

The month with the highest average low temperature is July (62°F).
The coldest month (with the lowest average low temperature) is January (14°F).

Average rainfall in December - Manitowoc, WI
  • Average rainfall in December: 1.6"

The wettest month (with the highest rainfall) is August (3.6").
The driest month (with the lowest rainfall) is February (1.4").

Average sea temperature in December - Manitowoc, WI
  • Average sea temperature in December: 40.6°F

The best month for swimming (with the highest average sea temperature) is August (69.7°F).
The coldest month (with the lowest average sea temperature) is February (36.6°F).

Average daylight in December - Manitowoc, WI
  • Average daylight in December: 8.9h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 8.9h).

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