December weather forecastPawnee, IL
December
Weather in December
December, the first month of the winter in Pawnee, is still a cold month, with an average temperature fluctuating between 38.8°F (3.8°C) and 28.4°F (-2°C).Temperature
December is characterized by a reduction in the average high-temperature, from a fresh 50.2°F (10.1°C) in November to a wintry 38.8°F (3.8°C). Pawnee records an average low-temperature of 28.4°F (-2°C) throughout the month of December.Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the least rainfall. Rain falls for 6.9 days and accumulates 1.06" (27mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Pawnee, in December, during 5.2 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, there are 23.3 snowfall days, and 6.85" (174mm) of snow is accumulated.Daylight
December has the shortest days of the year in Pawnee, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:44 pm CST.
Sunshine
The average sunshine in December is 4.8h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pawnee, IL
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Pawnee, 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 (29.92"Hg).
Average wind speed in December
Pawnee, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in December
Pawnee, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Pawnee, IL
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in December
Pawnee, IL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Pawnee, 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, September and October (0").
Average snowfall days in December
Pawnee, IL
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (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
Pawnee, IL
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 48min
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
Pawnee, IL
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Pawnee, 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
Pawnee, 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 June and September (Cloud cover 29).
Average visibility in December
Pawnee, 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).





