December weather forecast
Wadsworth, IL

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Weather in December

The first month of the winter, December, is still a cold month in Wadsworth, Illinois, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 25.3°F (-3.7°C).

Temperature

In Wadsworth, entering December brings a temperature decrement, reducing from November's frosty 45.1°F (7.3°C) to a wintry 34°F (1.1°C). Wadsworth, in December, registers a nighttime average temperature of 25.3°F (-3.7°C).

Humidity

In Wadsworth, the average relative humidity in December is 81%.

Rainfall

The month with the least rainfall is December, when the rain falls for 8.1 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 9.7 days. Throughout December, 1.77" (45mm) of snow is accumulated. In Wadsworth, during the entire year, snow falls for 45.5 days and aggregates up to 9.37" (238mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
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, in Wadsworth, sunrise is at 7:20 am and sunset at 4:29 pm CST.

Sunshine

In Wadsworth, the average sunshine in December is 4h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. 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: A maximum UV index of 1 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Wadsworth, records 34°F (1.1°C), while the low-temperature is 25.3°F (-3.7°C).

What is the average humidity in December?

In Wadsworth, the average relative humidity in December is 81%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 8.1 days and accumulates 0.91" (23mm) of precipitation.

How many days does it rain in December?

In Wadsworth, in December, during 8.1 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 9.7 days. Throughout December, 1.77" (45mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Wadsworth have in December?

In Wadsworth, the average day length in December is 9h and 8min.

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 7:20 am and sunset at 4:29 pm CST.

How long on average sun shines in December in Wadsworth?

The average sunshine duration in December is 4h.

When is the lowest UV index in Wadsworth?

January 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 reading of 2, and below, represents a low health risk 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
Wadsworth, IL

Average temperature in December - Wadsworth, IL
  • Average high temperature in December: 34°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 (27.9°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in December
Wadsworth, IL

Average pressure in December - Wadsworth, IL
  • 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
Wadsworth, IL

Average wind speed in December - Wadsworth, IL
  • Average wind speed in December: 11.1mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in December
Wadsworth, IL

Average humidity in December - Wadsworth, IL
  • Average humidity in December: 81%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in December
Wadsworth, IL

Average rainfall in December - Wadsworth, IL
  • Average rainfall in December: 0.91"

The wettest months (with the highest rainfall) are June and August (2.68").
The driest month (with the least rainfall) is December (0.91").

Average rainfall days in December
Wadsworth, IL

Average rainfall days in December - Wadsworth, IL
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in December
Wadsworth, IL

Average snowfall in December - Wadsworth, IL
  • Average snowfall in December: 1.77"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Wadsworth, IL

Average snowfall days in December - Wadsworth, IL
  • Average snowfall days in December: 9.7 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Wadsworth, IL

Average daylight in December / Average sunshine in December - Wadsworth, IL
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 0min

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

Average sunshine days in December
Wadsworth, IL

Average sunshine days in December - Wadsworth, IL
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in December
Wadsworth, IL

Average UV index in December - Wadsworth, IL
  • Average UV index in December: 1

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Wadsworth, IL

Average cloud cover in December - Wadsworth, IL
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Wadsworth, IL

Average visibility in December - Wadsworth, IL
  • 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).

Wadsworth, Illinois, USA

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