December weather forecastNiota, IL
December
Weather in December
The first month of the winter, December, is still a cold month in Niota, Illinois, with an average temperature varying between 36.5°F (2.5°C) and 25.2°F (-3.8°C).Temperature
December involves a decrease in temperature, down from a chilly 48.7°F (9.3°C) in November to a wintry 36.5°F (2.5°C). In December, the recorded average low-temperature is a subzero cold 25.2°F (-3.8°C).Humidity
The average relative humidity in December is 79%.Rainfall
The months with the least rainfall are January and December Rain falls for 4.7 days and accumulates 0.47" (12mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Niota, in December, during 4.4 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Niota, during the entire year, snow falls for 24.5 days and aggregates up to 4.25" (108mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Niota, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:48 pm CST.
Sunshine
In Niota, the average sunshine in December is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Niota, IL
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Niota, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Niota, IL
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Niota, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Niota, IL
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days in December
Niota, IL
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Niota, IL
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Niota, IL
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (7.7 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
Niota, IL
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Niota, IL
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).
Average UV index in December
Niota, 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
Niota, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 28).
Average visibility in December
Niota, 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).
