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's arrival corresponds with a decrease in average high-temperatures, from November's frosty 49.3°F (9.6°C) to a wintry 37.6°F (3.1°C). An average temperature of 25.9°F (-3.4°C) marks the nights in Elvaston in December.Humidity
The average relative humidity in December in Elvaston is 78%.Rainfall
In Elvaston, in December, during 6.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Elvaston, during the entire year, the rain falls for 129.9 days and collects up to 20.71" (526mm) of precipitation.Snowfall
Months with snowfall in Elvaston are January through April, October through December. In Elvaston, in December, snow falls for 4.9 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, in Elvaston, there are 25.2 snowfall days, and 8.03" (204mm) of snow is accumulated.Daylight
The month with the shortest days in Elvaston is December, with an average of 9h and 18min of daylight.On the first day of December in Elvaston, sunrise is at 7:09 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:48 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Elvaston?
What is the average humidity in December in Elvaston?
How many days does it rain in December in Elvaston?
How many days does it snow in December in Elvaston?
What is the month with the shortest days in Elvaston?
How many hours of daylight does Elvaston have in December?
When are sunrise and sunset in December in Elvaston?
How many hours of sunshine does Elvaston have in December?
What is the month with the lowest UV index in Elvaston?
How high is the UV index in December in Elvaston?
Average temperature in December
Elvaston, IL
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Elvaston, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Elvaston, IL
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Elvaston, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Elvaston, IL
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in December
Elvaston, IL
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Elvaston, IL
- Average snowfall in December: 1.18"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Elvaston, IL
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (7.9 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
Elvaston, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Elvaston, 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 (11.5 days).
Average UV index in December
Elvaston, 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
Elvaston, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Elvaston, 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).
Elvaston, Illinois, USA
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