December weather forecast
Fox River Grove, IL

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Weather in December

December, the first month of the winter in Fox River Grove, is also a wintry month, with an average temperature ranging between min 23.2°F (-4.9°C) and max 33.3°F (0.7°C).

Temperature

In Fox River Grove, the average high-temperature in December decreases from a frosty 45.1°F (7.3°C) in November to a cold 33.3°F (0.7°C). During the nights in December, the temperature in Fox River Grove averages to a freezing cold 23.2°F (-4.9°C).

Humidity

The average relative humidity in December in Fox River Grove is 82%.

Rainfall

December is the month with the least rainfall in Fox River Grove. Rain falls for 8 days and accumulates 1.1" (28mm) of precipitation.

Snowfall

Months with snowfall in Fox River Grove, Illinois, are January through May, October through December. In December, in Fox River Grove, it is snowing for 10.8 days. Throughout December, 2.24" (57mm) of snow is accumulated. In Fox River Grove, during the entire year, snow falls for 48.9 days and aggregates up to 14.76" (375mm) of snow.

Daylight

December has the shortest days of the year in Fox River Grove, with an average of 9h and 12min of daylight.
On the first day of December in Fox River Grove, Illinois, sunrise is at 7:02 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:30 pm CST.

Sunshine

In December, the average sunshine 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Fox River Grove in December?

The high-temperature, in December, in Fox River Grove, is 33.3°F (0.7°C), while the low-temperature averages to 23.2°F (-4.9°C).

What is the average humidity in December in Fox River Grove?

In Fox River Grove, the average relative humidity in December is 82%.

What is the driest month in Fox River Grove?

The month with the least rainfall in Fox River Grove, Illinois, is December, when the rain falls for 8 days and typically collects 1.1" (28mm) of precipitation.

How much does it rain in Fox River Grove in December?

In December, the rain falls for 8 days. Throughout December, 1.1" (28mm) of precipitation is accumulated.

How much does it snow in Fox River Grove in December?

In Fox River Grove, in December, snow falls for 10.8 days, with typically accumulated 2.24" (57mm) of snow.

What is the month with the shortest days in Fox River Grove?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Fox River Grove have in December?

The average day length in December in Fox River Grove, Illinois, is 9h and 10min.

When are sunrise and sunset in December in Fox River Grove?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:21 pm. On the last day of the month, in Fox River Grove, Illinois, sunrise is at 7:21 am and sunset at 4:30 pm CST.

How many hours of sunshine does Fox River Grove have in December?

In December, the average sunshine duration is 4h.

What are the months with the lowest UV index in Fox River Grove?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Fox River Grove, Illinois.

How high is the UV index in December in Fox River Grove?

The average daily maximum UV index in December in Fox River Grove, Illinois, is 1. A UV Index of 2, and less, symbolizes a low health threat 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
Fox River Grove, IL

Average temperature in December - Fox River Grove, IL
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
Fox River Grove, IL

Average pressure in December - Fox River Grove, 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
Fox River Grove, IL

Average wind speed in December - Fox River Grove, IL
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December
Fox River Grove, IL

Average humidity in December - Fox River Grove, IL
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Fox River Grove, IL

Average rainfall in December - Fox River Grove, IL
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is December (1.1").

Average rainfall days in December
Fox River Grove, IL

Average rainfall days in December - Fox River Grove, IL
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (5.3 days).

Average snowfall in December
Fox River Grove, IL

Average snowfall in December - Fox River Grove, IL
  • Average snowfall in December: 2.24"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Fox River Grove, IL

Average snowfall days in December - Fox River Grove, IL
  • Average snowfall days in December: 10.8 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Fox River Grove, IL

Average daylight in December / Average sunshine in December - Fox River Grove, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Fox River Grove, IL

Average sunshine days in December - Fox River Grove, IL
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10 days).

Average UV index in December
Fox River Grove, IL

Average UV index in December - Fox River Grove, IL
  • Average UV index in December: 1

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

Average cloud cover in December
Fox River Grove, IL

Average cloud cover in December - Fox River Grove, IL
  • 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 August and September (Cloud cover 31).

Average visibility in December
Fox River Grove, IL

Average visibility in December - Fox River Grove, IL
  • Average visibility in December: 6mi

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

Fox River Grove, Illinois, USA

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