December weather forecast
Mazomanie, WI

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Weather in December

December, the first month of the winter in Mazomanie, is also a subzero cold month, with an average temperature varying between 19.4°F (-7°C) and 29.8°F (-1.2°C).

Temperature

In Mazomanie, the average high-temperature in December drops from a wintry 42.3°F (5.7°C) in November to a subzero cold 29.8°F (-1.2°C). An average low-temperature of 19.4°F (-7°C) is recorded in the month of December.

Humidity

In December, the average relative humidity is 84%.

Rainfall

In Mazomanie, in December, it is raining for 4.9 days, with typically 0.55" (14mm) of accumulated precipitation. In Mazomanie, during the entire year, the rain falls for 115.3 days and collects up to 13.9" (353mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, in Mazomanie, it is snowing for 9.3 days. Throughout December, 1.1" (28mm) of snow is accumulated. Throughout the year, there are 46.7 snowfall days, and 8.9" (226mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Mazomanie, Wisconsin, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:25 pm. On the last day of December, in Mazomanie, sunrise is at 7:30 am and sunset at 4:34 pm CST.

Sunshine

In December, the average sunshine in Mazomanie is 3.8h.

UV index

The months with the lowest UV index in Mazomanie, Wisconsin, are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Mazomanie?

In December, in Mazomanie, the average high-temperature is 29.8°F (-1.2°C), and the average low-temperature is 19.4°F (-7°C).

What is the average humidity in December in Mazomanie?

The average relative humidity in December is 84%.

How much does it rain in Mazomanie in December?

In Mazomanie, Wisconsin, in December, it is raining for 4.9 days, with typically 0.55" (14mm) of accumulated precipitation.

How much does it snow in Mazomanie in December?

In Mazomanie, Wisconsin, during December, snow falls for 9.3 days and regularly aggregates up to 1.1" (28mm) of snow.

What is the month with the shortest days in Mazomanie?

December has the shortest days of the year in Mazomanie, Wisconsin, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Mazomanie?

In December, the average day length is 9h and 3min.

When are sunrise and sunset in December in Mazomanie?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:25 pm. On the last day of the month, in Mazomanie, Wisconsin, sunrise is at 7:30 am and sunset at 4:34 pm CST.

How long on average sun shines in December in Mazomanie?

In Mazomanie, the average sunshine duration in December is 3.8h.

What is the month with the lowest UV index in Mazomanie?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Mazomanie.

How high is the UV index in December in Mazomanie?

The average daily maximum UV index in December in Mazomanie is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mazomanie, WI

Average temperature in December - Mazomanie, WI
  • Average high temperature in December: 29.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in December: 19.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Mazomanie, WI

Average pressure in December - Mazomanie, WI
  • Average pressure in December: 30.09"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Mazomanie, WI

Average wind speed in December - Mazomanie, WI
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Mazomanie, WI

Average humidity in December - Mazomanie, WI
  • Average humidity in December: 84%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in December
Mazomanie, WI

Average rainfall in December - Mazomanie, WI
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is June (1.85").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in December
Mazomanie, WI

Average rainfall days in December - Mazomanie, WI
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in December
Mazomanie, WI

Average snowfall in December - Mazomanie, WI
  • Average snowfall in December: 1.1"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mazomanie, WI

Average snowfall days in December - Mazomanie, WI
  • Average snowfall days in December: 9.3 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Mazomanie, WI

Average daylight in December / Average sunshine in December - Mazomanie, WI
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in December
Mazomanie, WI

Average sunshine days in December - Mazomanie, WI
  • Average sunshine days in December: 19.3 days

The months with the most sunshine days are October and December (19.3 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in December
Mazomanie, WI

Average UV index in December - Mazomanie, WI
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Mazomanie, WI

Average cloud cover in December - Mazomanie, WI
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 34).

Average visibility in December
Mazomanie, WI

Average visibility in December - Mazomanie, WI
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

Mazomanie, Wisconsin, USA

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