December weather forecastMulberry Grove, IL
December
Weather in December
The first month of the winter, December, is still a cold month in Mulberry Grove, Illinois, with an average temperature varying between 41.5°F (5.3°C) and 29.8°F (-1.2°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's cool 51.8°F (11°C) to a cold 41.5°F (5.3°C). Mulberry Grove's December nights cool down to an average low-temperature of 29.8°F (-1.2°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Mulberry Grove, in December, it is raining for 7.2 days, with typically 1.61" (41mm) of accumulated precipitation. In Mulberry Grove, during the entire year, the rain falls for 137.9 days and collects up to 24.88" (632mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 4.1 days and accumulates 1.89" (48mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 6:57 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:45 pm CST.
Sunshine
In Mulberry Grove, the average sunshine in December is 4.7h.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 radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mulberry Grove, IL
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Mulberry Grove, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Mulberry Grove, IL
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Mulberry Grove, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Mulberry Grove, IL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in December
Mulberry Grove, IL
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Mulberry Grove, IL
- Average snowfall in December: 1.89"
The month with the highest snowfall is December (1.89").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mulberry Grove, IL
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (5.8 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
Mulberry Grove, IL
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in December
Mulberry Grove, IL
- Average sunshine days in December: 20 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Mulberry Grove, 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
Mulberry Grove, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in December
Mulberry Grove, 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).
