December weather forecast
Chilton, WI

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Weather in December

December, the first month of the winter in Chilton, is still a freezing cold month, with an average temperature fluctuating between 19.9°F (-6.7°C) and 29.3°F (-1.5°C).

Temperature

December's arrival comes with a decrease in the average high-temperature, moving from a cold 41.9°F (5.5°C) in November to a freezing cold 29.3°F (-1.5°C). Throughout December, an average low-temperature of 19.9°F (-6.7°C) is expected in Chilton.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Chilton, Wisconsin, in December, during 5.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Chilton, during the entire year, the rain falls for 132.7 days and collects up to 25.08" (637mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Chilton, during December, snow falls for 12.9 days and regularly aggregates up to 3.7" (94mm) of snow. In Chilton, Wisconsin, during the entire year, snow falls for 59.6 days and aggregates up to 18.94" (481mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of December in Chilton, Wisconsin, sunrise is at 7:08 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:24 pm CST.

Sunshine

In December, the average sunshine is 3.6h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is December in Chilton?

In Chilton, in December, the average high-temperature is 29.3°F (-1.5°C), and the average low-temperature is 19.9°F (-6.7°C).

What is the average humidity in December in Chilton?

In Chilton, the average relative humidity in December is 85%.

How many days does it rain in December in Chilton?

In Chilton, Wisconsin, in December, during 5.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

How much does it snow in Chilton in December?

In December, in Chilton, Wisconsin, it is snowing for 12.9 days. Throughout December, 3.7" (94mm) of snow is accumulated.

What is the month with the shortest days in Chilton?

December has the shortest days of the year in Chilton, with an average of 9h and 0min of daylight.

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

The average day length in December is 8h and 57min.

What time are sunrise and sunset in December in Chilton?

On the first day of December in Chilton, sunrise is at 7:08 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:24 pm CST.

How long on average sun shines in December in Chilton?

In December, the average sunshine duration in Chilton is 3.6h.

When is the lowest UV index in Chilton?

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

How high is the UV index in December in Chilton?

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

Average temperature in December - Chilton, WI
  • Average high temperature in December: 29.3°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in December: 19.9°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in December
Chilton, WI

Average pressure in December - Chilton, WI
  • Average pressure in December: 30.08"Hg

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

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Average wind speed in December
Chilton, WI

Average wind speed in December - Chilton, WI
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in December
Chilton, WI

Average humidity in December - Chilton, WI
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Chilton, WI

Average rainfall in December - Chilton, WI
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in December
Chilton, WI

Average rainfall days in December - Chilton, WI
  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (4 days).

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Average snowfall in December
Chilton, WI

Average snowfall in December - Chilton, WI
  • Average snowfall in December: 3.7"

The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Chilton, WI

Average snowfall days in December - Chilton, WI
  • Average snowfall days in December: 12.9 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Chilton, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

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Average sunshine days in December
Chilton, WI

Average sunshine days in December - Chilton, WI
  • Average sunshine days in December: 15 days

The months with the most sunshine days are September and November (16.3 days).
The month with the least sunshine days is April (11.6 days).

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Average UV index in December
Chilton, WI

Average UV index in December - Chilton, 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).

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Average cloud cover in December
Chilton, WI

Average cloud cover in December - Chilton, WI
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Chilton, WI

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

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

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Chilton, Wisconsin, USA

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