December weather forecast
Somers, WI

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Weather in December

December, the first month of the winter in Somers, is also a wintry month, with an average temperature fluctuating between 33.8°F (1°C) and 25.2°F (-3.8°C).

Temperature

Somers's transition into December involves a shift in temperature, receding from a frosty 44.2°F (6.8°C) in November to a wintry 33.8°F (1°C). December is characterized by a steady nighttime low-temperature of 25.2°F (-3.8°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

February and December are months with the least rain when the rain falls for 7.4 days and typically aggregates up to 1.22" (31mm) of rain.

Snowfall

Months with snowfall in Somers are January through May, October through December. In Somers, in December, snow falls for 9 days, with typically accumulated 2.28" (58mm) of snow. Throughout the year, in Somers, there are 45.4 snowfall days, and 14.33" (364mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:28 pm CST.

Sunshine

In December, the average sunshine is 4h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

How cold is December?

During December, Somers experiences an average high-temperature of 33.8°F (1°C) and a low-temperature of 25.2°F (-3.8°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

What is the driest month?

The months with the least rainfall are February and December Rain falls for 7.4 days and accumulates 1.22" (31mm) of rain.

How many days does it rain in December?

In Somers, during December, the rain falls for 7.4 days and regularly aggregates up to 1.22" (31mm) of precipitation.

How much does it snow in December?

In Somers, in December, during 9 snowfall days, 2.28" (58mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December in Somers is 9h and 7min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:28 pm CST.

How many hours of sunshine does Somers have in December?

In Somers, the average sunshine duration in December is 4h.

What is the month with the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index intensity in December?

In Somers, the average daily maximum UV index in December is 1. A UV Index reading 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
Somers, WI

Average temperature in December - Somers, WI
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 25.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Somers, WI

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Somers, WI

Average wind speed in December - Somers, WI
  • Average wind speed in December: 10.9mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in December
Somers, WI

Average humidity in December - Somers, WI
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in December
Somers, WI

Average rainfall in December - Somers, WI
  • Average rainfall in December: 1.22"

The wettest months (with the highest rainfall) are April and June (3.35").
The driest months (with the least rainfall) are February and December (1.22").

Average rainfall days in December
Somers, WI

Average rainfall days in December - Somers, WI
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in December
Somers, WI

Average snowfall in December - Somers, WI
  • Average snowfall in December: 2.28"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Somers, WI

Average snowfall days in December - Somers, WI
  • Average snowfall days in December: 9 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Somers, 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: 4h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Somers, WI

Average sunshine days in December - Somers, WI
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is December (16.4 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in December
Somers, WI

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

The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Somers, WI

Average cloud cover in December - Somers, WI
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December
Somers, WI

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

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

Somers, Wisconsin, USA

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