December weather forecastSutter, IL
December
Weather in December
The first month of the winter, December, is still a cold month in Sutter, Illinois, with an average temperature ranging between min 25.9°F (-3.4°C) and max 37.6°F (3.1°C).Temperature
Stepping into December, Sutter observes a temperature decline, with the average high falling from November's chilly 49.5°F (9.7°C) to an icy 37.6°F (3.1°C). In the month of December, the average low-temperature in Sutter usually rests at a freezing cold 25.9°F (-3.4°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, the rain falls for 6.9 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. In Sutter, Illinois, during the entire year, the rain falls for 140.6 days and collects up to 27.72" (704mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Sutter, in December, snow falls for 6.2 days, with typically accumulated 1.73" (44mm) of snow. In Sutter, during the entire year, snow falls for 29.4 days and aggregates up to 11.3" (287mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:39 pm. On the last day of December, in Sutter, sunrise is at 7:27 am and sunset at 4:49 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 minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sutter, IL
- Average high temperature in December: 37.6°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 (31.6°F).
- Average low temperature in December: 25.9°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 (19.2°F).
Average pressure in December
Sutter, 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
Sutter, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Sutter, IL
- Average humidity in December: 78%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Sutter, IL
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Sutter, IL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Sutter, IL
- Average snowfall in December: 1.73"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sutter, IL
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (9.8 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
Sutter, IL
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 4h and 48min
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
Sutter, IL
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Sutter, 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
Sutter, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Sutter, 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).
