December weather forecast
Ashland, WI

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Weather in December

December, the first month of the winter in Ashland, is still a freezing cold month, with an average temperature varying between 16°F (-8.9°C) and 25.3°F (-3.7°C).

Temperature

Ashland's transition into December involves a shift in temperature, receding from a cold 37.6°F (3.1°C) in November to a freezing cold 25.3°F (-3.7°C). An average temperature of 16°F (-8.9°C) is recorded in Ashland, Wisconsin, during the nights in December.

Humidity

In December, the average relative humidity in Ashland is 88%.

Rainfall

In Ashland, Wisconsin, in December, it is raining for 4.3 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 121.6 rainfall days, and 21.42" (544mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall in Ashland is December, when snow falls for 20.2 days and typically aggregates up to 7.95" (202mm) of snow.

Ocean temperature

In December, the average ocean temperature is 38.8°F (3.8°C).
Note: During swimming, this scenario is excessively cold, hazardous, and can lead to fatality. Hypothermia ensues swiftly without suitable insulated waterproof wear.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 7:27 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:26 pm CST.

Sunshine

The average sunshine in December in Ashland is 2.5h.

UV index

The months with the lowest UV index in Ashland are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 1 during December leads to these advisories:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Ashland?

In Ashland, 25.3°F (-3.7°C) is the average high-temperature and 16°F (-8.9°C) is the average low-temperature during December.

What is the average humidity in December in Ashland?

In December, the average relative humidity in Ashland is 88%.

How much does it rain in Ashland in December?

In Ashland, in December, it is raining for 4.3 days, with typically 1.54" (39mm) of accumulated precipitation.

What is the snowiest month in Ashland?

The month with the most snowfall in Ashland, Wisconsin, is December, when snow falls for 20.2 days and typically aggregates up to 7.95" (202mm) of snow.

How many days does it snow in December in Ashland?

In Ashland, Wisconsin, in December, during 20.2 snowfall days, 7.95" (202mm) of snow is typically accumulated.

What is the water temperature in December in Ashland?

In Ashland, Wisconsin, the average seawater temperature in December is 38.8°F (3.8°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the month with the shortest days in Ashland?

December has the shortest days of the year in Ashland, Wisconsin, with an average of 8h and 36min of daylight.

How many hours of daylight does Ashland have in December?

The average day length in December is 8h and 38min.

When are sunrise and sunset in December in Ashland?

On the first day of December in Ashland, sunrise is at 7:27 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:26 pm CST.

How many hours of sunshine does Ashland have in December?

In Ashland, Wisconsin, the average sunshine duration in December is 2.5h.

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

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

How high is the UV index in December in Ashland?

In December, the average daily maximum UV index in Ashland, Wisconsin, is 1. A UV Index value of 2, and less, symbolizes a low health threat from 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
Ashland, WI

Average temperature in December - Ashland, WI
  • Average high temperature in December: 25.3°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in December: 16°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

Average pressure in December
Ashland, WI

Average pressure in December - Ashland, WI
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Ashland, WI

Average wind speed in December - Ashland, WI
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is November (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in December
Ashland, WI

Average humidity in December - Ashland, WI
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).

Average rainfall in December
Ashland, WI

Average rainfall in December - Ashland, WI
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in December
Ashland, WI

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

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (3.2 days).

Average snowfall in December
Ashland, WI

Average snowfall in December - Ashland, WI
  • Average snowfall in December: 7.95"

The month with the highest snowfall is December (7.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ashland, WI

Average snowfall days in December - Ashland, WI
  • Average snowfall days in December: 20.2 days

The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in December
Ashland, WI

Average sea temperature in December - Ashland, WI
  • Average sea temperature in December: 38.9°F

The best month for swimming (with the highest average sea temperature) is August (63.3°F).
The coldest month (with the lowest average sea temperature) is February (32.9°F).

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

Average daylight in December / Average sunshine in December - Ashland, WI
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 2h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in December
Ashland, WI

Average sunshine days in December - Ashland, WI
  • Average sunshine days in December: 9.8 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is December (9.8 days).

Average UV index in December
Ashland, WI

Average UV index in December - Ashland, 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, November and December (UV index 1).

Average cloud cover in December
Ashland, WI

Average cloud cover in December - Ashland, WI
  • Average cloud cover in December: 75

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Ashland, WI

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

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Ashland, Wisconsin, USA

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