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
With December's arrival, Tansill sees a decrease in average high-temperatures, moving from a fresh 54.9°F (12.7°C) in November to a frosty 45.5°F (7.5°C). Tansill experiences a consistent average temperature of 33.3°F (0.7°C) throughout the nights in December.Humidity
In Tansill, the average relative humidity in December is 78%.Rainfall
In December, in Tansill, the rain falls for 11.5 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. Throughout the year, in Tansill, there are 160.7 rainfall days, and 36.73" (933mm) of precipitation is accumulated.Snowfall
Months with snowfall in Tansill are January through April, November and December. In Tansill, Illinois, in December, snow falls for 2 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, there are 12.9 snowfall days, and 4.33" (110mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December in Tansill, Illinois, sunrise is at 6:50 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine in Tansill is 4.9h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Tansill. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To cut down UV radiation exposure by about half, sport a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Tansill in December?
What is the average humidity in December in Tansill?
How many days does it rain in December in Tansill?
How many days does it snow in December in Tansill?
What is the month with the shortest days in Tansill?
What is the average length of the day in December in Tansill?
When are sunrise and sunset in December in Tansill?
How many hours of sunshine does Tansill have in December?
When is the lowest UV index in Tansill?
How high is the UV index in December in Tansill?
Average temperature in December
Tansill, IL
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Tansill, IL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Tansill, IL
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Tansill, IL
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Tansill, IL
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Tansill, IL
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in December
Tansill, IL
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Tansill, IL
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Tansill, IL
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Tansill, IL
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Tansill, IL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Tansill, IL
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in December
Tansill, 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).
Tansill, Illinois, USA
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