December weather forecast
Foster Junction, WI

Share

Weather in December

The first month of the winter, December, is still a freezing cold month in Foster Junction, Wisconsin, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 24.4°F (-4.2°C).

Temperature

As November transitions to December, the average high-temperature falls from a wintry 36.5°F (2.5°C) to a freezing cold 24.4°F (-4.2°C). Foster Junction's nighttime temperature in December shows a minor descent, with a steady average of 16.3°F (-8.7°C).

Humidity

In December, the average relative humidity is 89%.

Rainfall

In Foster Junction, in December, it is raining for 4.2 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, in Foster Junction, Wisconsin, there are 120.3 rainfall days, and 21.65" (550mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Foster Junction. December is the month with the most snowfall in Foster Junction. Snow falls for 23.6 days and accumulates 10.04" (255mm) of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:26 pm CST.

Sunshine

The average sunshine in December is 2.4h.

UV index

The months with the lowest UV index 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 the ordinary person.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

How cold is December in Foster Junction?

December temperatures in Foster Junction vary between a high-temperature of 24.4°F (-4.2°C) and a low-temperature of 16.3°F (-8.7°C).

What is the average humidity in December in Foster Junction?

The average relative humidity in December is 89%.

How many days does it rain in December in Foster Junction?

In Foster Junction, during December, the rain falls for 4.2 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When does it snow the most in Foster Junction?

December is the month with the most snowfall in Foster Junction, Wisconsin. Snow falls for 23.6 days and accumulates 10.04" (255mm) of snow.

How much does it snow in Foster Junction in December?

In Foster Junction, in December, during 23.6 snowfall days, 10.04" (255mm) of snow is typically accumulated.

What is the month with the shortest days in Foster Junction?

With an average of 8h and 42min of daylight, December has the shortest days of the year in Foster Junction, Wisconsin.

What is the average length of the day in December in Foster Junction?

In Foster Junction, the average day length in December is 8h and 41min.

When are sunrise and sunset in December in Foster Junction?

In December, on the first day of the month, sunrise is at 7:26 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:26 pm CST.

How many hours of sunshine does Foster Junction have in December?

The average sunshine duration in December is 2.4h.

What is the month with the lowest UV index in Foster Junction?

The months with the lowest UV index in Foster Junction, Wisconsin, are January, November and December, with an average maximum UV index of 1.

What is the UV index reading in December in Foster Junction?

In December, the average daily maximum UV index in Foster Junction, Wisconsin, is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Foster Junction, WI

Average temperature in December - Foster Junction, WI
  • Average high temperature in December: 24.4°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in December: 16.3°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

[Resources]

Average pressure in December
Foster Junction, WI

Average pressure in December - Foster Junction, WI
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed in December
Foster Junction, WI

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

The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

[Resources]

Average humidity in December
Foster Junction, WI

Average humidity in December - Foster Junction, WI
  • Average humidity in December: 89%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).

[Resources]

Average rainfall in December
Foster Junction, WI

Average rainfall in December - Foster Junction, WI
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and February (1.22").

[Resources]

Average rainfall days in December
Foster Junction, WI

Average rainfall days in December - Foster Junction, WI
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.5 days).

[Resources]

Average snowfall in December
Foster Junction, WI

Average snowfall in December - Foster Junction, WI
  • Average snowfall in December: 10.04"

The month with the highest snowfall is December (10.04").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Foster Junction, WI

Average snowfall days in December - Foster Junction, WI
  • Average snowfall days in December: 23.6 days

The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Foster Junction, WI

Average daylight in December / Average sunshine in December - Foster Junction, 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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

[Resources]

Average sunshine days in December
Foster Junction, WI

Average sunshine days in December - Foster Junction, WI
  • Average sunshine days in December: 7.1 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is January (6.8 days).

[Resources]

Average UV index in December
Foster Junction, WI

Average UV index in December - Foster Junction, 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, November and December (UV index 1).

[Resources]

Average cloud cover in December
Foster Junction, WI

Average cloud cover in December - Foster Junction, WI
  • Average cloud cover in December: 76

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 32).

[Resources]

Average visibility in December
Foster Junction, WI

Average visibility in December - Foster Junction, WI
  • Average visibility in December: 5mi

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

[Resources]

Foster Junction, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location