December weather forecastIngraham, IL
December
Weather in December
December, the first month of the winter in Ingraham, is also an icy month, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 29.7°F (-1.3°C).Temperature
As November transitions to December, the average high-temperature falls from a cool 51.3°F (10.7°C) to a cold 41.2°F (5.1°C). During December, Ingraham's temperature falls to a steady low-temperature average of 29.7°F (-1.3°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Ingraham, Illinois, during December, the rain falls for 10.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Ingraham, there are 158.3 rainfall days, and 35.12" (892mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Ingraham. In Ingraham, in December, snow falls for 3.8 days, with typically accumulated 1.18" (30mm) of snow. In Ingraham, during the entire year, snow falls for 20.7 days and aggregates up to 7.13" (181mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:53 am and sunset at 4:31 pm. On the last day of December, in Ingraham, sunrise is at 7:11 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Ingraham are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ingraham, IL
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Ingraham, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Ingraham, IL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Ingraham, IL
- Average humidity in December: 79%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Ingraham, IL
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Ingraham, IL
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).
Average snowfall in December
Ingraham, IL
- Average snowfall in December: 1.18"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ingraham, IL
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.3 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
Ingraham, IL
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Ingraham, IL
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Ingraham, 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
Ingraham, IL
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Ingraham, 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).





