December weather forecast
Cleveland, IL

Share

Weather in December

The first month of the winter, December, is also an icy month in Cleveland, Illinois, with an average temperature ranging between min 23.9°F (-4.5°C) and max 34.5°F (1.4°C).

Temperature

December brings a decrease in the average high-temperature, falling from November's frosty 46.9°F (8.3°C) to a cold 34.5°F (1.4°C). In December, Cleveland experiences a temperature dip to an average of 23.9°F (-4.5°C) at night.

Humidity

The average relative humidity in December is 81%.

Rainfall

The month with the least rainfall in Cleveland, Illinois, is December, when the rain falls for 4.1 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall. In Cleveland, Illinois, during December, snow falls for 5 days and regularly aggregates up to 0.39" (10mm) of snow. In Cleveland, Illinois, during the entire year, snow falls for 24.5 days and aggregates up to 4.09" (104mm) of snow.

Daylight

The month with the shortest days in Cleveland is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine in Cleveland is 4.2h.

UV index

In Cleveland, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
[Resources]

Frequently asked questions

How cold is it in Cleveland in December?

December temperatures in Cleveland vary between a high-temperature of 34.5°F (1.4°C) and a low-temperature of 23.9°F (-4.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 86°F (30°C).

What is the average humidity in December in Cleveland?

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

What is the driest month in Cleveland?

The month with the least rainfall in Cleveland is December, when the rain falls for 4.1 days and typically collects 0.35" (9mm) of precipitation.

How many days does it rain in December in Cleveland?

In Cleveland, Illinois, during December, the rain falls for 4.1 days and regularly aggregates up to 0.35" (9mm) of precipitation.

How much does it snow in Cleveland in December?

In Cleveland, in December, snow falls for 5 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days in Cleveland?

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

How many hours of daylight does Cleveland have in December?

In Cleveland, Illinois, the average day length in December is 9h and 14min.

When are sunrise and sunset in December in Cleveland?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:32 pm. On the last day of the month, in Cleveland, Illinois, sunrise is at 7:27 am and sunset at 4:41 pm CST.

How many hours of sunshine does Cleveland have in December?

In December, the average sunshine duration is 4.2h.

What is the UV index intensity in December in Cleveland?

In December, the average daily maximum UV index in Cleveland is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Cleveland, IL

Average temperature in December - Cleveland, IL
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

[Resources]

Average pressure in December
Cleveland, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in December
Cleveland, IL

Average wind speed in December - Cleveland, IL
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

[Resources]

Average humidity in December
Cleveland, IL

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

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in December
Cleveland, IL

Average rainfall in December - Cleveland, IL
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").

[Resources]

Average rainfall days in December
Cleveland, IL

Average rainfall days in December - Cleveland, IL
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).

[Resources]

Average snowfall in December
Cleveland, IL

Average snowfall in December - Cleveland, IL
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").

[Resources]

Average snowfall days in December
Cleveland, IL

Average snowfall days in December - Cleveland, IL
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days in December
Cleveland, IL

Average sunshine days in December - Cleveland, IL
  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).

[Resources]

Average UV index in December
Cleveland, IL

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

[Resources]

Average cloud cover in December
Cleveland, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

[Resources]

Average visibility in December
Cleveland, IL

Average visibility in December - Cleveland, 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]

Cleveland, Illinois, USA

Weather forecast for your location

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