December weather forecast
Eureka, WI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Eureka, Wisconsin, with temperature in the range of an average high of 28.6°F (-1.9°C) and an average low of 18.5°F (-7.5°C).

Temperature

December's arrival corresponds with a decrease in average high-temperatures, from November's wintry 41.7°F (5.4°C) to a freezing cold 28.6°F (-1.9°C). Throughout December, an average low-temperature of 18.5°F (-7.5°C) is experienced in Eureka, Wisconsin.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Eureka, during December, the rain falls for 3.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in Eureka, there are 104.9 rainfall days, and 12.36" (314mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Eureka, during December, snow falls for 10.5 days and regularly aggregates up to 1.89" (48mm) of snow. Throughout the year, in Eureka, there are 47.7 snowfall days, and 9.45" (240mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:18 pm. On the last day of December, in Eureka, sunrise is at 7:29 am and sunset at 4:27 pm CST.

Sunshine

The average sunshine in December is 3.6h.

UV index

The months with the lowest UV index in Eureka, Wisconsin, are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 1 during December translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Eureka in December?

In December, the average high-temperature and low-temperature in Eureka, Wisconsin, are 28.6°F (-1.9°C) and 18.5°F (-7.5°C) respectively.

What is the average humidity in December in Eureka?

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

How many days does it rain in December in Eureka?

In Eureka, Wisconsin, in December, during 3.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

How much does it snow in Eureka in December?

In Eureka, Wisconsin, during December, snow falls for 10.5 days and regularly aggregates up to 1.89" (48mm) of snow.

What is the month with the shortest days in Eureka?

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

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

In December, the average day length in Eureka is 8h and 58min.

What time are sunrise and sunset in December in Eureka?

On the first day of December in Eureka, Wisconsin, sunrise is at 7:10 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:27 pm CST.

How long on average sun shines in December in Eureka?

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

What is the month with the lowest UV index in Eureka?

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

How high is the UV index in December in Eureka?

The average daily maximum UV index in December in Eureka, Wisconsin, is 1. A UV Index of 2, and less, symbolizes 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
Eureka, WI

Average temperature in December - Eureka, WI
  • Average high temperature in December: 28.6°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 (22.3°F).

  • Average low temperature in December: 18.5°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 (10.8°F).

Average pressure in December
Eureka, WI

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

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Eureka, WI

Average wind speed in December - Eureka, WI
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in December
Eureka, WI

Average humidity in December - Eureka, WI
  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Eureka, WI

Average rainfall in December - Eureka, WI
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in December
Eureka, WI

Average rainfall days in December - Eureka, WI
  • Average rainfall days in December: 3.6 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in December
Eureka, WI

Average snowfall in December - Eureka, WI
  • Average snowfall in December: 1.89"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Eureka, WI

Average snowfall days in December - Eureka, WI
  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Eureka, 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 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

Average sunshine days in December
Eureka, WI

Average sunshine days in December - Eureka, WI
  • Average sunshine days in December: 19.6 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (13.5 days).

Average UV index in December
Eureka, WI

Average UV index in December - Eureka, 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
Eureka, WI

Average cloud cover in December - Eureka, WI
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Eureka, WI

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

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

Eureka, Wisconsin, USA

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