December weather forecast
Glendale, IL

Share

Weather in December

December, the first month of the winter in Glendale, is also a frosty month, with an average temperature ranging between max 44.8°F (7.1°C) and min 32.7°F (0.4°C).

Temperature

December suggests a modest reduction in the average high-temperature, shifting from a cool 54.5°F (12.5°C) in November to a frosty 44.8°F (7.1°C). Glendale's temperature lowers to a mean of 32.7°F (0.4°C) during the nights in December.

Humidity

The average relative humidity in December in Glendale is 78%.

Rainfall

In Glendale, in December, during 7.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Glendale, Illinois, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Glendale, Illinois. In Glendale, during December, snow falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of snow. In Glendale, during the entire year, snow falls for 11 days and aggregates up to 1.57" (40mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:51 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:46 pm CST.

Sunshine

In December, the average sunshine in Glendale is 4.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Glendale. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Boost your sun resistance with garments that are densely woven yet spacious. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
[Resources]

Frequently asked questions

What is the temperature in December in Glendale?

The high-temperature in Glendale, Illinois, during December is 44.8°F (7.1°C) and the low-temperature is 32.7°F (0.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 86°F (30°C).

What is the average humidity in December in Glendale?

In Glendale, the average relative humidity in December is 78%.

How much does it rain in Glendale in December?

In December, in Glendale, the rain falls for 7.3 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

How much does it snow in Glendale in December?

In December, in Glendale, Illinois, it is snowing for 1.9 days. Throughout December, 0.12" (3mm) of snow is accumulated.

What is the month with the shortest days in Glendale?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Glendale have in December?

In December, the average day length in Glendale, Illinois, is 9h and 38min.

When are sunrise and sunset in December in Glendale?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 4:36 pm. On the last day of the month, in Glendale, sunrise is at 7:09 am and sunset at 4:46 pm CST.

How long on average sun shines in December in Glendale?

In Glendale, Illinois, the average sunshine duration in December is 4.8h.

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

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

How high is the UV index in December in Glendale?

In Glendale, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Glendale, IL

Average temperature in December - Glendale, IL
  • Average high temperature in December: 44.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

[Resources]

Average pressure in December
Glendale, IL

Average pressure in December - Glendale, IL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in December
Glendale, IL

Average wind speed in December - Glendale, IL
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

[Resources]

Average humidity in December
Glendale, IL

Average humidity in December - Glendale, IL
  • Average humidity in December: 78%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in December
Glendale, IL

Average rainfall in December - Glendale, IL
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

[Resources]

Average rainfall days in December
Glendale, IL

Average rainfall days in December - Glendale, IL
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

[Resources]

Average snowfall in December
Glendale, IL

Average snowfall in December - Glendale, IL
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Glendale, IL

Average snowfall days in December - Glendale, IL
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Glendale, IL
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

[Resources]

Average sunshine days in December
Glendale, IL

Average sunshine days in December - Glendale, IL
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

[Resources]

Average UV index in December
Glendale, IL

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

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

[Resources]

Average cloud cover in December
Glendale, IL

Average cloud cover in December - Glendale, IL
  • Average cloud cover in December: 49

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

[Resources]

Average visibility in December
Glendale, IL

Average visibility in December - Glendale, 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).

[Resources]

Glendale, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location