December weather forecastKempton, IL
December
Weather in December
The first month of the winter, December, is also an icy month in Kempton, Illinois, with an average temperature fluctuating between 26.1°F (-3.3°C) and 36.3°F (2.4°C).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from a chilly 47.5°F (8.6°C) in November to a wintry 36.3°F (2.4°C). Kempton experiences a mean low-temperature of 26.1°F (-3.3°C) during December.Humidity
In Kempton, Illinois, the average relative humidity in December is 81%.Rainfall
In Kempton, in December, during 7.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 142.1 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Kempton, in December, during 8.5 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Kempton, during the entire year, snow falls for 39 days and aggregates up to 9.02" (229mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Kempton.On the first day of December in Kempton, sunrise is at 6:58 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:35 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Kempton are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kempton, IL
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Kempton, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Kempton, IL
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January and April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Kempton, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Kempton, IL
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Kempton, IL
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Kempton, IL
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Kempton, IL
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.7 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
Kempton, IL
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 18min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Kempton, IL
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Kempton, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Kempton, IL
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in December
Kempton, 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).
