December weather forecast
Cuba, IL

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Weather in December

The first month of the winter, December, is also a wintry month in Cuba, Illinois, with an average temperature ranging between min 26.4°F (-3.1°C) and max 37°F (2.8°C).

Temperature

As November transitions to December, the average high-temperature falls from a frosty 49.1°F (9.5°C) to a wintry 37°F (2.8°C). In Cuba, the nighttime temperature averages to a subzero cold 26.4°F (-3.1°C) during December.

Humidity

In Cuba, the average relative humidity in December is 79%.

Rainfall

December is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.94" (24mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Cuba, during December, snow falls for 5 days and regularly aggregates up to 1.1" (28mm) of snow. In Cuba, during the entire year, snow falls for 27.4 days and aggregates up to 9.21" (234mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:44 pm CST.

Sunshine

In Cuba, the average sunshine in December is 4.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 37°F (2.8°C) and the low-temperature is 26.4°F (-3.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 89.6°F (32°C).

What is the average humidity in December?

In Cuba, Illinois, the average relative humidity in December is 79%.

What is the driest month?

The month with the least rainfall in Cuba is December, when the rain falls for 6.5 days and typically collects 0.94" (24mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 6.5 days. Throughout December, 0.94" (24mm) of precipitation is accumulated.

How many days does it snow in December?

In Cuba, in December, snow falls for 5 days, with typically accumulated 1.1" (28mm) of snow.

What is the month with the shortest days in Cuba?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 20min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:44 pm CST.

How many hours of sunshine does Cuba have in December?

In Cuba, the average sunshine duration in December is 4.5h.

When is the lowest UV index?

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

What is the UV index intensity in December in Cuba?

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

Average temperature in December - Cuba, IL
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in December
Cuba, IL

Average pressure in December - Cuba, 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 (29.91"Hg).

Average wind speed in December
Cuba, IL

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

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in December
Cuba, IL

Average humidity in December - Cuba, IL
  • Average humidity in December: 79%

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

Average rainfall in December
Cuba, IL

Average rainfall in December - Cuba, IL
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").

Average rainfall days in December
Cuba, IL

Average rainfall days in December - Cuba, IL
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).

Average snowfall in December
Cuba, IL

Average snowfall in December - Cuba, IL
  • Average snowfall in December: 1.1"

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Cuba, IL

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

The month with the highest number of snowfall days is January (9.4 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
Cuba, IL

Average daylight in December / Average sunshine in December - Cuba, 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 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Cuba, IL

Average sunshine days in December - Cuba, IL
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in December
Cuba, IL

Average UV index in December - Cuba, 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, November and December (UV index 2).

Average cloud cover in December
Cuba, IL

Average cloud cover in December - Cuba, IL
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in December
Cuba, IL

Average visibility in December - Cuba, 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).

Cuba, Illinois, USA

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