December weather forecastEast Lynn, IL
December
Weather in December
The first month of the winter, December, is also a wintry month in East Lynn, Illinois, with an average temperature varying between 37.4°F (3°C) and 26.8°F (-2.9°C).Temperature
The onset of December brings a small change in high-temperatures, falling from a chilly 48°F (8.9°C) in November to a cold 37.4°F (3°C). East Lynn, in December, experiences an average temperature of 26.8°F (-2.9°C) at night.Humidity
In December, the average relative humidity is 81%.Rainfall
December is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.73" (44mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In East Lynn, in December, snow falls for 7.7 days, with typically accumulated 2.48" (63mm) of snow. Throughout the year, there are 35.7 snowfall days, and 13.27" (337mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:34 pm CST.
Sunshine
In East Lynn, the average sunshine in December is 4.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
East Lynn, IL
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
East Lynn, 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 (29.93"Hg).
Average wind speed in December
East Lynn, IL
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
East Lynn, 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 (72%).
Average rainfall in December
East Lynn, IL
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in December
East Lynn, IL
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
East Lynn, IL
- Average snowfall in December: 2.48"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
East Lynn, IL
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (10.8 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
East Lynn, 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 18min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
East Lynn, IL
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
East Lynn, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
East Lynn, IL
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
East Lynn, 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).
