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
Lake Summerset's December weather shows a moderate shift in high-temperatures, falling from November's frosty 43.7°F (6.5°C) to a freezing cold 31.5°F (-0.3°C). In the month of December, an average of 21.4°F (-5.9°C) marks the low-temperature in Lake Summerset.Humidity
The average relative humidity in December in Lake Summerset is 83%.Rainfall
In Lake Summerset, in December, during 3.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 90.4 rainfall days, and 7.09" (180mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Lake Summerset, in December, snow falls for 7.1 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, in Lake Summerset, there are 32.7 snowfall days, and 3.9" (99mm) of snow is accumulated.Daylight
December has the shortest days of the year in Lake Summerset, with an average of 9h and 6min of daylight.On the first day of December in Lake Summerset, sunrise is at 7:08 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:34 pm CST.
Sunshine
In Lake Summerset, the average sunshine in December is 3.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is it in Lake Summerset in December?
What is the average humidity in December in Lake Summerset?
How many days does it rain in December in Lake Summerset?
How many days does it snow in December in Lake Summerset?
What is the month with the shortest days in Lake Summerset?
What is the average length of the day in December in Lake Summerset?
What time are sunrise and sunset in December in Lake Summerset?
How long on average sun shines in December in Lake Summerset?
What are the months with the lowest UV index in Lake Summerset?
What is the UV index reading in December in Lake Summerset?
Average temperature in December
Lake Summerset, IL
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
Lake Summerset, IL
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Lake Summerset, IL
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Lake Summerset, IL
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Lake Summerset, IL
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is June (0.98").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Lake Summerset, IL
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (12.8 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in December
Lake Summerset, IL
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lake Summerset, IL
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9.3 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
Lake Summerset, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in December
Lake Summerset, IL
- Average sunshine days in December: 22.9 days
The months with the most sunshine days are November and December (22.9 days).
The month with the least sunshine days is June (13.4 days).
Average UV index in December
Lake Summerset, IL
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Lake Summerset, IL
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Lake Summerset, IL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Lake Summerset, Illinois, USA
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