December weather forecast
Hometown, IL

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Weather in December

The first month of the winter, December, is also an icy month in Hometown, Illinois, with an average temperature varying between 26.4°F (-3.1°C) and 35.2°F (1.8°C).

Temperature

December comes with a decrease in the average high-temperature, falling from a chilly 46.2°F (7.9°C) in November to a wintry 35.2°F (1.8°C). Hometown indicates a consistently low-temperature of 26.4°F (-3.1°C) during the nights of December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

December is the month with the least rainfall in Hometown. Rain falls for 7.4 days and accumulates 1.02" (26mm) of precipitation.

Snowfall

Months with snowfall in Hometown, Illinois, are January through April, October through December. In Hometown, Illinois, in December, during 9.4 snowfall days, 1.5" (38mm) of snow is typically accumulated. In Hometown, during the entire year, snow falls for 42.4 days and aggregates up to 11.61" (295mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:30 pm CST.

Sunshine

The average sunshine in December is 4.2h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 1 in December translates into this advice:
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 direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

How cold is December in Hometown?

The high-temperature, in December, in Hometown, is 35.2°F (1.8°C), while the low-temperature averages to 26.4°F (-3.1°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in December in Hometown?

In December, the average relative humidity in Hometown is 80%.

What is the driest month in Hometown?

The month with the least rainfall in Hometown is December, when the rain falls for 7.4 days and typically collects 1.02" (26mm) of precipitation.

How much does it rain in Hometown in December?

In Hometown, Illinois, in December, it is raining for 7.4 days, with typically 1.02" (26mm) of accumulated precipitation.

How many days does it snow in December in Hometown?

In December, in Hometown, Illinois, it is snowing for 9.4 days. Throughout December, 1.5" (38mm) of snow is accumulated.

What is the month with the shortest days in Hometown?

The month with the shortest days in Hometown is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Hometown?

In Hometown, Illinois, the average day length in December is 9h and 13min.

What time are sunrise and sunset in December in Hometown?

On the first day of December in Hometown, Illinois, sunrise is at 6:59 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:30 pm CST.

How long on average sun shines in December in Hometown?

In Hometown, the average sunshine duration in December is 4.2h.

What is the month with the lowest UV index in Hometown?

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

What is the UV index intensity in December in Hometown?

In December, the average daily maximum UV index in Hometown is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Hometown, IL

Average temperature in December - Hometown, IL
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Hometown, IL

Average pressure in December - Hometown, IL
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Hometown, IL

Average wind speed in December - Hometown, IL
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Hometown, IL

Average humidity in December - Hometown, IL
  • Average humidity in December: 80%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Hometown, IL

Average rainfall in December - Hometown, IL
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").

Average rainfall days in December
Hometown, IL

Average rainfall days in December - Hometown, IL
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in December
Hometown, IL

Average snowfall in December - Hometown, IL
  • Average snowfall in December: 1.5"

The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Hometown, IL

Average snowfall days in December - Hometown, IL
  • Average snowfall days in December: 9.4 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Hometown, 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 12min).

  • Average sunshine in December: 4h and 1min

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
Hometown, IL

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

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in December
Hometown, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Hometown, IL

Average cloud cover in December - Hometown, IL
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Hometown, IL

Average visibility in December - Hometown, 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).

Hometown, Illinois, USA

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