Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings a decrease in the average high-temperature, falling from November's frosty 44.6°F (7°C) to a cold 32.5°F (0.3°C). Cherry Valley experiences a steady low-temperature of 22.5°F (-5.3°C) throughout December.Humidity
The average relative humidity in December in Cherry Valley is 83%.Rainfall
November and December are months with the least rain when the rain falls for 3.9 days and typically aggregates up to 0.31" (8mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In December, in Cherry Valley, it is snowing for 6.3 days. Throughout December, 0.28" (7mm) of snow is accumulated. Throughout the year, in Cherry Valley, Illinois, there are 29.5 snowfall days, and 2.8" (71mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Cherry Valley.On the first day of the month, sunrise is at 7:05 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:33 pm CST.
Sunshine
The average sunshine in December is 3.9h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Cherry Valley in December?
What is the average humidity in December in Cherry Valley?
What is the driest month in Cherry Valley?
How many days does it rain in December in Cherry Valley?
How much does it snow in Cherry Valley in December?
What is the month with the shortest days in Cherry Valley?
How many hours of daylight does Cherry Valley have in December?
What time are sunrise and sunset in December in Cherry Valley?
How many hours of sunshine does Cherry Valley have in December?
What is the month with the lowest UV index in Cherry Valley?
What is the UV index reading in December in Cherry Valley?
Average temperature in December
Cherry Valley, IL
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in December
Cherry Valley, IL
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Cherry Valley, IL
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Cherry Valley, IL
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Cherry Valley, IL
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is May (0.91").
The driest months (with the least rainfall) are November and December (0.31").
Average rainfall days in December
Cherry Valley, IL
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Cherry Valley, IL
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cherry Valley, IL
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (8.2 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
Cherry Valley, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Cherry Valley, IL
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in December
Cherry Valley, IL
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Cherry Valley, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in December
Cherry Valley, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Cherry Valley, Illinois, USA
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