December weather forecast
Barneveld, WI

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Weather in December

December, the first month of the winter in Barneveld, is also a subzero cold month, with an average temperature ranging between min 19.8°F (-6.8°C) and max 30°F (-1.1°C).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from an icy 42.3°F (5.7°C) in November to a subzero cold 30°F (-1.1°C). In December, the nighttime temperature lowers to an average of 19.8°F (-6.8°C).

Humidity

The average relative humidity in December is 84%.

Rainfall

In Barneveld, during December, the rain falls for 4.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Barneveld, during the entire year, the rain falls for 128 days and collects up to 22.68" (576mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Barneveld, in December, during 10.2 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, there are 52.2 snowfall days, and 17.95" (456mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:11 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:35 pm CST.

Sunshine

The average sunshine in December is 3.8h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 1 during December leads to these advisories:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. 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. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature are 30°F (-1.1°C) and 19.8°F (-6.8°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 84%.

How many days does it rain in December?

In Barneveld, in December, it is raining for 4.5 days, with typically 0.98" (25mm) of accumulated precipitation.

How many days does it snow in December?

In Barneveld, during December, snow falls for 10.2 days and regularly aggregates up to 2.72" (69mm) of snow.

What is the month with the shortest days in Barneveld?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 4min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:11 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:35 pm CST.

How many hours of sunshine does Barneveld have in December?

The average sunshine duration in December is 3.8h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Barneveld, WI

Average temperature in December - Barneveld, WI
  • Average high temperature in December: 30°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.5°F).

  • Average low temperature in December: 19.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in December
Barneveld, WI

Average pressure in December - Barneveld, WI
  • Average pressure in December: 30.09"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Barneveld, WI

Average wind speed in December - Barneveld, WI
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Barneveld, WI

Average humidity in December - Barneveld, WI
  • Average humidity in December: 84%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April, October and November (78%).

Average rainfall in December
Barneveld, WI

Average rainfall in December - Barneveld, WI
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in December
Barneveld, WI

Average rainfall days in December - Barneveld, WI
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.1 days).

Average snowfall in December
Barneveld, WI

Average snowfall in December - Barneveld, WI
  • Average snowfall in December: 2.72"

The month with the highest snowfall is February (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Barneveld, WI

Average snowfall days in December - Barneveld, WI
  • Average snowfall days in December: 10.2 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Barneveld, WI
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Barneveld, WI

Average sunshine days in December - Barneveld, WI
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in December
Barneveld, WI

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

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

Average cloud cover in December
Barneveld, WI

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

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Barneveld, WI

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

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

Barneveld, Wisconsin, USA

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