December weather forecast
Saint Germain, WI

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Weather in December

December, the first month of the winter in Saint Germain, is also a subzero cold month, with temperature in the range of an average high of 23.9°F (-4.5°C) and an average low of 14.9°F (-9.5°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a cold 36.3°F (2.4°C) to a subzero cold 23.9°F (-4.5°C). In December, Saint Germain experiences a marginal drop in temperature, with averages of 14.9°F (-9.5°C) at night.

Humidity

In Saint Germain, the average relative humidity in December is 90%.

Rainfall

In Saint Germain, Wisconsin, during December, the rain falls for 4.6 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Saint Germain, during the entire year, the rain falls for 123.5 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 21.9 days and typically aggregates up to 9.69" (246mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 42min of daylight.
On the first day of December, sunrise is at 7:19 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:23 pm CST.

Sunshine

In Saint Germain, the average sunshine in December is 2.3h.

UV index

The months with the lowest UV index are January, March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Saint Germain experiences an average high-temperature of 23.9°F (-4.5°C) and a low-temperature of 14.9°F (-9.5°C).

What is the average humidity in December?

In December, the average relative humidity is 90%.

How much does it rain in Saint Germain in December?

In Saint Germain, during December, the rain falls for 4.6 days and regularly aggregates up to 1.65" (42mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 21.9 days and typically aggregates up to 9.69" (246mm) of snow.

How much does it snow in December?

In Saint Germain, in December, snow falls for 21.9 days, with typically accumulated 9.69" (246mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 42min of daylight.

How many hours of daylight does Saint Germain have in December?

In December, the average day length in Saint Germain is 8h and 44min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:23 pm CST.

How many hours of sunshine does Saint Germain have in December?

The average sunshine duration in December is 2.3h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk 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
Saint Germain, WI

Average temperature in December - Saint Germain, WI
  • Average high temperature in December: 23.9°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in December
Saint Germain, WI

Average pressure in December - Saint Germain, WI
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Saint Germain, WI

Average wind speed in December - Saint Germain, WI
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in December
Saint Germain, WI

Average humidity in December - Saint Germain, WI
  • Average humidity in December: 90%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).

Average rainfall in December
Saint Germain, WI

Average rainfall in December - Saint Germain, WI
  • Average rainfall in December: 1.65"

The wettest months (with the highest rainfall) are April and May (2.64").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in December
Saint Germain, WI

Average rainfall days in December - Saint Germain, WI
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in December
Saint Germain, WI

Average snowfall in December - Saint Germain, WI
  • Average snowfall in December: 9.69"

The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Saint Germain, WI

Average snowfall days in December - Saint Germain, WI
  • Average snowfall days in December: 21.9 days

The month with the highest number of snowfall days is January (24.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Saint Germain, WI

Average daylight in December / Average sunshine in December - Saint Germain, WI
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).

Average sunshine days in December
Saint Germain, WI

Average sunshine days in December - Saint Germain, WI
  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.4 days).

Average UV index in December
Saint Germain, WI

Average UV index in December - Saint Germain, WI
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March, November and December (UV index 1).

Average cloud cover in December
Saint Germain, WI

Average cloud cover in December - Saint Germain, WI
  • Average cloud cover in December: 78

The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December
Saint Germain, WI

Average visibility in December - Saint Germain, WI
  • Average visibility in December: 4mi

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).

Saint Germain, Wisconsin, USA

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