Eagle River
Wisconsin, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Eagle River, WI

The first month of the winter, December, is also a subzero cold month in Eagle River, Wisconsin, with average temperature fluctuating between 23.9°F (-4.5°C) and 14.9°F (-9.5°C).

Temperature

In December, the average high-temperature drops, from a wintry 36.3°F (2.4°C) in November, to a subzero cold 23.9°F (-4.5°C). The average low-temperature, is 14.9°F (-9.5°C).

Humidity

The average relative humidity in December is 90%.

Rainfall

In December, in Eagle River, the rain falls for 4.6 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 123.5 rainfall days, and 23.11" (587mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Eagle River are January through May, October through December. December is the month with the most snowfall. Snow falls for 21.9 days and accumulates 9.69" (246mm) of snow.

Daylight

December has the shortest days of the year in Eagle River, with an average of 8.7h of daylight.

Sunshine

In December, the average sunshine is 2.3h.

UV index

Months with the lowest UV index are January, March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 1 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Eagle River?

In December, in Eagle River, Wisconsin, the average high-temperature is 23.9°F (-4.5°C), and the average low-temperature is 14.9°F (-9.5°C).

What is the average humidity in December in Eagle River?

In Eagle River, Wisconsin, the average relative humidity in December is 90%.

How much does it rain in Eagle River in December?

In Eagle River, Wisconsin, during December, the rain falls for 4.6 days and regularly aggregates up to 1.65" (42mm) of precipitation.

How much does it snow in Eagle River in December?

In Eagle River, in December, snow falls for 21.9 days, with typically accumulated 9.69" (246mm) of snow.

When does it snow the most in Eagle River?

The month with the most snowfall is December when snow falls for 21.9 days and typically aggregates up to 9.69" (246mm) of snow.

What is the month with the shortest days in Eagle River?

December has the shortest days of the year in Eagle River, Wisconsin, with an average of 8.7h of daylight.

How many hours of daylight does Eagle River have in December?

In Eagle River, Wisconsin, the average length of the day in December is 8.7h.

How many hours of sunshine does Eagle River have in December?

In Eagle River, the average sunshine in December is 2.3h.

What are the months with the lowest UV index in Eagle River?

January, March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Eagle River.

How high is the UV index in December in Eagle River?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Eagle River, WI
  • Average high temperature in December: 23.9°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average humidity in December - Eagle River, WI
  • Average humidity in December: 90%

Months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).

Average rainfall in December - Eagle River, WI
  • Average rainfall in December: 1.65"

Wettest months (with the highest rainfall) are April and May (2.64").
The driest month (with the lowest rainfall) is January (1.26").

Average rainfall days in December - Eagle River, WI
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is June (15.8 days).
The month with the lowest number of rainy days is January (2.8 days).

Average snowfall in December - Eagle River, WI
  • Average snowfall in December: 9.69"

The month with the highest snowfall is December (9.69").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in December - Eagle River, WI
  • Average snowfall days in December: 21.9 days

The month with the highest number of snowfall days is January (24.9 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in December / Average sunshine in December - Eagle River, WI
  • Average daylight in December: 8.7h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

  • Average sunshine in December: 2.3h

The month with most sunshine is July (Average sunshine: 9.7h).
Months with least sunshine are January and February (Average sunshine: 2).

Average UV index in December - Eagle River, WI
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, March, November and December (UV index 1).