December weather forecast
Walworth, WI

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Weather in December

The first month of the winter, December, is also a subzero cold month in Walworth, Wisconsin, with an average temperature ranging between min 21.4°F (-5.9°C) and max 31.5°F (-0.3°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 43.7°F (6.5°C) in November to a freezing cold 31.5°F (-0.3°C). Walworth's average low-temperature during December nights is observed to be 21.4°F (-5.9°C).

Humidity

In December, the average relative humidity is 83%.

Rainfall

The months with the least rainfall in Walworth, Wisconsin, are January and December Rain falls for 6.5 days and accumulates 0.79" (20mm) of rain.

Snowfall

Months with snowfall in Walworth are January through April, October through December. In Walworth, in December, during 9.9 snowfall days, 1.69" (43mm) of snow is typically accumulated. In Walworth, during the entire year, snow falls for 47.5 days and aggregates up to 11.81" (300mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:31 pm CST.

Sunshine

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

UV index

The months with the lowest UV index in Walworth are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 1 in December translates into this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Walworth in December?

Walworth in December has an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 21.4°F (-5.9°C).

What is the average humidity in December in Walworth?

In December, the average relative humidity in Walworth, Wisconsin, is 83%.

What is the driest month in Walworth?

The months with the least rainfall are January and December Rain falls for 6.5 days and accumulates 0.79" (20mm) of rain.

How many days does it rain in December in Walworth?

In Walworth, in December, during 6.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

How much does it snow in Walworth in December?

In Walworth, Wisconsin, during December, snow falls for 9.9 days and regularly aggregates up to 1.69" (43mm) of snow.

What is the month with the shortest days in Walworth?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Walworth.

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

In December, the average day length in Walworth, Wisconsin, is 9h and 7min.

When is the sunrise / sunset in December in Walworth?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:22 pm. On the last day of the month, in Walworth, sunrise is at 7:24 am and sunset at 4:31 pm CST.

How long on average sun shines in December in Walworth?

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

When is the lowest UV index in Walworth?

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

How high is the UV index in December in Walworth?

The average daily maximum UV index in December in Walworth is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Walworth, WI

Average temperature in December - Walworth, WI
  • Average high temperature in December: 31.5°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 (24.8°F).

  • Average low temperature in December: 21.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in December
Walworth, WI

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

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

Average wind speed in December
Walworth, WI

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

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December
Walworth, WI

Average humidity in December - Walworth, WI
  • Average humidity in December: 83%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in December
Walworth, WI

Average rainfall in December - Walworth, WI
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").

Average rainfall days in December
Walworth, WI

Average rainfall days in December - Walworth, WI
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).

Average snowfall in December
Walworth, WI

Average snowfall in December - Walworth, WI
  • Average snowfall in December: 1.69"

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Walworth, WI

Average snowfall days in December - Walworth, WI
  • Average snowfall days in December: 9.9 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Walworth, 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 months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Walworth, WI

Average sunshine days in December - Walworth, WI
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in December
Walworth, WI

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

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

Average cloud cover in December
Walworth, WI

Average cloud cover in December - Walworth, WI
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).

Average visibility in December
Walworth, WI

Average visibility in December - Walworth, 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).

Walworth, Wisconsin, USA

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