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
The shift from November to December corresponds with a decrease in the average high-temperature, down to a wintry 35.8°F (2.1°C) from a frosty 47.7°F (8.7°C). An average low-temperature of 25.9°F (-3.4°C) marks the nights throughout December.Humidity
In Rutland, Illinois, the average relative humidity in December is 81%.Rainfall
In Rutland, in December, during 5.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Rutland, there are 122.1 rainfall days, and 15.28" (388mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Rutland, Illinois, in December, snow falls for 6 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, there are 30.6 snowfall days, and 7.05" (179mm) of snow is accumulated.Daylight
The month with the shortest days in Rutland is December, with an average of 9h and 18min of daylight.On the first day of December in Rutland, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:38 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Rutland. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is it in Rutland in December?
What is the average humidity in December in Rutland?
How much does it rain in Rutland in December?
How much does it snow in Rutland in December?
What is the month with the shortest days in Rutland?
How many hours of daylight does Rutland have in December?
When is the sunrise / sunset in December in Rutland?
How many hours of sunshine does Rutland have in December?
What is the month with the lowest UV index in Rutland?
How high is the UV index in December in Rutland?
Average temperature in December
Rutland, IL
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Rutland, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Rutland, IL
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Rutland, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Rutland, IL
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Rutland, IL
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in December
Rutland, IL
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Rutland, IL
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (10.3 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
Rutland, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Rutland, IL
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Rutland, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Rutland, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Rutland, 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).
Rutland, Illinois, USA
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