December weather forecast
Elroy, WI

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Weather in December

December, the first month of the winter in Elroy, is still a freezing cold month, with temperature in the range of an average low of 17.8°F (-7.9°C) and an average high of 27.9°F (-2.3°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a wintry 41.5°F (5.3°C) to a freezing cold 27.9°F (-2.3°C). In December, in Elroy, the average low-temperature is 17.8°F (-7.9°C).

Humidity

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

Rainfall

In Elroy, Wisconsin, in December, during 4.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Elroy, during the entire year, the rain falls for 114.3 days and collects up to 16.1" (409mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Elroy. In December, in Elroy, it is snowing for 12 days. Throughout December, 2.48" (63mm) of snow is accumulated. In Elroy, Wisconsin, during the entire year, snow falls for 56 days and aggregates up to 12.13" (308mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Elroy, sunrise is at 7:15 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:34 pm CST.

Sunshine

In December, the average sunshine in Elroy, Wisconsin, 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 hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, a regular UV index of 1 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Elroy?

The average high-temperature, in December, in Elroy, is 27.9°F (-2.3°C), while the average low-temperature is 17.8°F (-7.9°C).

What is the average humidity in December in Elroy?

The average relative humidity in December in Elroy is 86%.

How much does it rain in Elroy in December?

In Elroy, during December, the rain falls for 4.3 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How many days does it snow in December in Elroy?

In Elroy, in December, snow falls for 12 days, with typically accumulated 2.48" (63mm) of snow.

What is the month with the shortest days in Elroy?

With an average of 9h and 0min of daylight, December has the shortest days of the year in Elroy, Wisconsin.

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

In December, the average day length in Elroy is 8h and 59min.

What time are sunrise and sunset in December in Elroy?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:25 pm. On the last day of the month, in Elroy, sunrise is at 7:34 am and sunset at 4:34 pm CST.

How many hours of sunshine does Elroy have in December?

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

What are the months with the lowest UV index in Elroy?

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 in Elroy?

In Elroy, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Elroy, WI

Average temperature in December - Elroy, WI
  • Average high temperature in December: 27.9°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in December: 17.8°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

Average pressure in December
Elroy, WI

Average pressure in December - Elroy, WI
  • Average pressure in December: 30.1"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
Elroy, WI

Average wind speed in December - Elroy, WI
  • Average wind speed in December: 9mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Elroy, WI

Average humidity in December - Elroy, 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 (76%).

Average rainfall in December
Elroy, WI

Average rainfall in December - Elroy, WI
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Elroy, WI

Average rainfall days in December - Elroy, WI
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in December
Elroy, WI

Average snowfall in December - Elroy, WI
  • Average snowfall in December: 2.48"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Elroy, WI

Average snowfall days in December - Elroy, WI
  • Average snowfall days in December: 12 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Elroy, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Elroy, WI

Average sunshine days in December - Elroy, WI
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in December
Elroy, WI

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Elroy, WI

Average cloud cover in December - Elroy, WI
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Elroy, WI

Average visibility in December - Elroy, WI
  • Average visibility in December: 5mi

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

Elroy, Wisconsin, USA

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