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 chilly 46.9°F (8.3°C) to a cold 34.5°F (1.4°C). Atkinson experiences an average low-temperature of 24.1°F (-4.4°C) in month of December.Humidity
The average relative humidity in December is 82%.Rainfall
January and December are months with the least rain when the rain falls for 5.5 days and typically aggregates up to 0.63" (16mm) of rain.Snowfall
Months with snowfall in Atkinson are January through April, October through December. In Atkinson, in December, during 5.7 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, in Atkinson, Illinois, there are 29.3 snowfall days, and 6.54" (166mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December in Atkinson, Illinois, sunrise is at 7:07 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine is 4.3h.UV index
The months with the lowest UV index in Atkinson, Illinois, are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
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. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Atkinson in December?
What is the average humidity in December in Atkinson?
What is the driest month in Atkinson?
How much does it rain in Atkinson in December?
How much does it snow in Atkinson in December?
What is the month with the shortest days in Atkinson?
How many hours of daylight does Atkinson have in December?
When are sunrise and sunset in December in Atkinson?
How many hours of sunshine does Atkinson have in December?
What are the months with the lowest UV index in Atkinson?
What is the UV index reading in December in Atkinson?
Average temperature in December
Atkinson, IL
- Average high temperature in December: 34.5°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 (28°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Atkinson, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Atkinson, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Atkinson, IL
- Average humidity in December: 82%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Atkinson, IL
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days in December
Atkinson, IL
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Atkinson, IL
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Atkinson, IL
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (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
Atkinson, IL
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Atkinson, IL
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Atkinson, IL
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Atkinson, IL
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Atkinson, 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).
Atkinson, Illinois, USA
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