December weather forecastCuba, IL
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 18min
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 30min
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: 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: 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: 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: 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).





