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
As December arrives, New Grand Chain's weather displays a decrease in high-temperatures, transitioning from November's fresh 54.5°F (12.5°C) to a chilly 44.8°F (7.1°C). December's average low-temperature reading settles at a cold 32.7°F (0.4°C).Humidity
The average relative humidity in December in New Grand Chain is 78%.Rainfall
In December, the rain falls for 7.3 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In New Grand Chain, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in New Grand Chain. In New Grand Chain, in December, snow falls for 1.9 days, with typically accumulated 0.12" (3mm) of snow. Throughout the year, there are 11 snowfall days, and 1.57" (40mm) of snow is accumulated.Daylight
December has the shortest days of the year in New Grand Chain, with an average of 9h and 36min of daylight.On the first day of December in New Grand Chain, Illinois, sunrise is at 6:51 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:48 pm CST.
Sunshine
The average sunshine in December in New Grand Chain is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in New Grand Chain, Illinois. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average December temperature in New Grand Chain?
What is the average humidity in December in New Grand Chain?
How many days does it rain in December in New Grand Chain?
How many days does it snow in December in New Grand Chain?
What is the month with the shortest days in New Grand Chain?
What is the average length of the day in December in New Grand Chain?
When is the sunrise / sunset in December in New Grand Chain?
How long on average sun shines in December in New Grand Chain?
What are the months with the lowest UV index in New Grand Chain?
How high is the UV index in December in New Grand Chain?
Average temperature in December
New Grand Chain, IL
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
New Grand Chain, IL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
New Grand Chain, IL
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
New Grand Chain, 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 (71%).
Average rainfall in December
New Grand Chain, IL
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
New Grand Chain, IL
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).
Average snowfall in December
New Grand Chain, IL
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
New Grand Chain, IL
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (3.3 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
New Grand Chain, 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 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
New Grand Chain, IL
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in December
New Grand Chain, 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
New Grand Chain, IL
- Average cloud cover in December: 49
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in December
New Grand Chain, 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).
New Grand Chain, Illinois, USA
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