December weather forecast
Ashland, WI

Weather in December

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

Temperature

In Ashland, the average high-temperature in December drops from a cold 37.6°F (3.1°C) in November to a freezing cold 25.3°F (-3.7°C). In Ashland, in December, the average low-temperature is 16°F (-8.9°C).

Humidity

The average relative humidity in December is 88%.

Rainfall

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

Snowfall

Months with snowfall in Ashland are January through May, October through December. December is the month with the most snowfall. Snow falls for 20.2 days and accumulates 7.95" (202mm) of snow.

Ocean temperature

In December, the average ocean temperature in Ashland is 38.8°F (3.8°C).
Note: 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.

Daylight

December has the shortest days of the year, with an average of 8h and 38min of daylight.
On the first day of December in Ashland, Wisconsin, sunrise is at 7:27 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:25 pm CST.

Sunshine

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

UV index

The months with the lowest UV index in Ashland, Wisconsin, are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Ashland?

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

How much does it rain in Ashland in December?

In December, in Ashland, Wisconsin, the rain falls for 4.3 days. Throughout December, 1.54" (39mm) of precipitation is accumulated.

When does it snow the most in Ashland?

December is the month with the most snowfall. Snow falls for 20.2 days and accumulates 7.95" (202mm) of snow.

How much does it snow in Ashland in December?

In Ashland, Wisconsin, during December, snow falls for 20.2 days and regularly aggregates up to 7.95" (202mm) of snow.

What is the water temperature in December in Ashland?

In December, the average ocean temperature in Ashland, Wisconsin, 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?

The month with the shortest days in Ashland, Wisconsin, is December, with an average of 8h and 38min of daylight.

How many hours of daylight does Ashland have in December?

In December, the average day length in Ashland is 8h and 38min.

When are sunrise and sunset in December in Ashland?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 4:18 pm. On the last day of the month, in Ashland, Wisconsin, sunrise is at 7:47 am and sunset at 4:25 pm CST.

How many hours of sunshine does Ashland have in December?

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

When is the lowest UV index in Ashland?

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

What is the UV index reading in December in Ashland?

In Ashland, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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 38min

The month with the longest days is June (Average daylight: 15h and 46min).
The month with the shortest days is December (Average daylight: 8h and 38min).

  • Average sunshine in December: 2h and 30min

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).

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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).

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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).

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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).

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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).

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