December weather forecast
La Valle, WI

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Weather in December

December, the first month of the winter in La Valle, is also a subzero cold month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 18.3°F (-7.6°C).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from an icy 41.7°F (5.4°C) to a subzero cold 28.8°F (-1.8°C). La Valle records a mean low-temperature of 18.3°F (-7.6°C) in December.

Humidity

The average relative humidity in December is 86%.

Rainfall

In La Valle, in December, it is raining for 4.2 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 117.9 rainfall days, and 21.02" (534mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In La Valle, during December, snow falls for 10.9 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, there are 54.1 snowfall days, and 17.09" (434mm) of snow is accumulated.

Daylight

The month with the shortest days in La Valle is December, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:34 pm CST.

Sunshine

In La Valle, the average sunshine in December is 3.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature during December is 28.8°F (-1.8°C) and the low-temperature is 18.3°F (-7.6°C).

What is the average humidity in December?

In La Valle, the average relative humidity in December is 86%.

How many days does it rain in December in La Valle?

In La Valle, in December, during 4.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How many days does it snow in December?

In La Valle, Wisconsin, in December, during 10.9 snowfall days, 2.95" (75mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

How many hours of daylight does La Valle have in December?

The average day length in December is 9h and 0min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:34 pm CST.

How long on average sun shines in December?

In La Valle, the average sunshine duration in December is 3.5h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, 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 of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
La Valle, WI

Average temperature in December - La Valle, WI
  • Average high temperature in December: 28.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in December
La Valle, WI

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
La Valle, WI

Average wind speed in December - La Valle, WI
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
La Valle, WI

Average humidity in December - La Valle, WI
  • Average humidity in December: 86%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
La Valle, WI

Average rainfall in December - La Valle, WI
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in December
La Valle, WI

Average rainfall days in December - La Valle, WI
  • Average rainfall days in December: 4.2 days

The months with the highest number of rainy days are May and June (16.1 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in December
La Valle, WI

Average snowfall in December - La Valle, WI
  • Average snowfall in December: 2.95"

The month with the highest snowfall is February (4.37").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
La Valle, WI

Average snowfall days in December - La Valle, WI
  • Average snowfall days in December: 10.9 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
La Valle, WI

Average daylight in December / Average sunshine in December - La Valle, WI
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
La Valle, WI

Average sunshine days in December - La Valle, WI
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in December
La Valle, WI

Average UV index in December - La Valle, 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, February, November and December (UV index 1).

Average cloud cover in December
La Valle, WI

Average cloud cover in December - La Valle, WI
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July, August and September (Cloud cover 36).

Average visibility in December
La Valle, WI

Average visibility in December - La Valle, WI
  • Average visibility in December: 5mi

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

La Valle, Wisconsin, USA

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