December weather forecast
Hedgewood, IL

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Weather in December

December, the first month of the winter in Hedgewood, is also an icy month, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.1°F (-3.3°C).

Temperature

December's onset brings a slight change in high-temperatures, falling from a frosty 47.7°F (8.7°C) in November to a cold 36.5°F (2.5°C). During December, the temperature is averaged to a low of 26.1°F (-3.3°C) at night.

Humidity

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

Rainfall

The month with the least rainfall is December, when the rain falls for 9 days and typically collects 1.93" (49mm) of precipitation.

Snowfall

Months with snowfall in Hedgewood are January through April, October through December. In Hedgewood, in December, during 8.2 snowfall days, 2.64" (67mm) of snow is typically accumulated. Throughout the year, there are 40.7 snowfall days, and 17.01" (432mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:01 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:39 pm CST.

Sunshine

The average sunshine in December is 4.2h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Hedgewood, in December, the average high-temperature is 36.5°F (2.5°C), and the average low-temperature is 26.1°F (-3.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 9 days and typically collects 1.93" (49mm) of precipitation.

How many days does it rain in December?

In Hedgewood, in December, during 9 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

How much does it snow in Hedgewood in December?

In Hedgewood, during December, snow falls for 8.2 days and regularly aggregates up to 2.64" (67mm) of snow.

What is the month with the shortest days in Hedgewood?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

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

In Hedgewood, the average day length in December is 9h and 19min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:29 pm. On the last day of the month, in Hedgewood, sunrise is at 7:20 am and sunset at 4:39 pm CST.

How many hours of sunshine does Hedgewood have in December?

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

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In December, the average daily maximum UV index in Hedgewood is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Hedgewood, IL

Average temperature in December - Hedgewood, IL
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in December: 26.1°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 (18.9°F).

Average pressure in December
Hedgewood, IL

Average pressure in December - Hedgewood, IL
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Hedgewood, IL

Average wind speed in December - Hedgewood, IL
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Hedgewood, IL

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

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Hedgewood, IL

Average rainfall in December - Hedgewood, IL
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is December (1.93").

Average rainfall days in December
Hedgewood, IL

Average rainfall days in December - Hedgewood, IL
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in December
Hedgewood, IL

Average snowfall in December - Hedgewood, IL
  • Average snowfall in December: 2.64"

The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Hedgewood, IL

Average snowfall days in December - Hedgewood, IL
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (12.8 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
Hedgewood, IL

Average daylight in December / Average sunshine in December - Hedgewood, IL
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Hedgewood, IL

Average sunshine days in December - Hedgewood, IL
  • Average sunshine days in December: 15 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.4 days).

Average UV index in December
Hedgewood, IL

Average UV index in December - Hedgewood, IL
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in December
Hedgewood, IL

Average cloud cover in December - Hedgewood, IL
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in December
Hedgewood, IL

Average visibility in December - Hedgewood, IL
  • Average visibility in December: 6mi

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

Hedgewood, Illinois, USA

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