December weather forecast
Junction City, WI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Junction City, Wisconsin, with an average temperature fluctuating between 16.5°F (-8.6°C) and 25.9°F (-3.4°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from an icy 39.2°F (4°C) in November to a freezing cold 25.9°F (-3.4°C). Junction City's nighttime temperature in December falls to an average of 16.5°F (-8.6°C).

Humidity

In December, the average relative humidity is 88%.

Rainfall

In Junction City, in December, it is raining for 4.6 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, in Junction City, there are 123.2 rainfall days, and 23.54" (598mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 12.9 days and typically aggregates up to 5.2" (132mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:29 pm CST.

Sunshine

The average sunshine in December is 3.1h.

UV index

The months with the lowest UV index 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 rays for ordinary individuals.
Note: The maximum UV index of 1 during December leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. When the Sun is at its strongest around midday, find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in Junction City, the average high-temperature is 25.9°F (-3.4°C), and the average low-temperature is 16.5°F (-8.6°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Junction City, in December, during 4.6 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 12.9 days and typically aggregates up to 5.2" (132mm) of snow.

How many days does it snow in December?

In Junction City, in December, during 12.9 snowfall days, 5.2" (132mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

How many hours of daylight does Junction City have in December?

In Junction City, the average day length in December is 8h and 53min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:29 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 3.1h.

When is the lowest UV index in Junction City?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Junction City, WI

Average temperature in December - Junction City, WI
  • Average high temperature in December: 25.9°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in December: 16.5°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in December
Junction City, WI

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

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

Average wind speed in December
Junction City, WI

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

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).

Average humidity in December
Junction City, WI

Average humidity in December - Junction City, WI
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Junction City, WI

Average rainfall in December - Junction City, WI
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in December
Junction City, WI

Average rainfall days in December - Junction City, WI
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in December
Junction City, WI

Average snowfall in December - Junction City, WI
  • Average snowfall in December: 5.2"

The month with the highest snowfall is December (5.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Junction City, WI

Average snowfall days in December - Junction City, WI
  • Average snowfall days in December: 12.9 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Junction City, WI

Average daylight in December / Average sunshine in December - Junction City, WI
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Junction City, WI

Average sunshine days in December - Junction City, WI
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is November (17 days).
The months with the least sunshine days are April, May and June (12.7 days).

Average UV index in December
Junction City, WI

Average UV index in December - Junction City, 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, February, November and December (UV index 1).

Average cloud cover in December
Junction City, WI

Average cloud cover in December - Junction City, WI
  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in December
Junction City, WI

Average visibility in December - Junction City, WI
  • Average visibility in December: 5mi

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

Junction City, Wisconsin, USA

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