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
With December's onset, the weather shows a temperature decrease, transitioning from a frosty 46.9°F (8.3°C) in November to a cold 36°F (2.2°C). Lynwood cools down to an average low-temperature of 26.6°F (-3°C) throughout the month of December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Lynwood, in December, it is raining for 7.6 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Lynwood, there are 150.7 rainfall days, and 25.31" (643mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Lynwood, in December, snow falls for 9.6 days, with typically accumulated 2.44" (62mm) of snow. Throughout the year, there are 45.3 snowfall days, and 14.02" (356mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December is 4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Lynwood?
How many hours of sunshine does Lynwood have in December?
When is the lowest UV index in Lynwood?
What is the UV index reading in December?
Average temperature in December
Lynwood, IL
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Lynwood, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Lynwood, IL
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Lynwood, IL
- Average humidity in December: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Lynwood, IL
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Lynwood, IL
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Lynwood, IL
- Average snowfall in December: 2.44"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lynwood, IL
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (12.5 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
Lynwood, IL
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Lynwood, IL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Lynwood, 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
Lynwood, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Lynwood, 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).
Lynwood, Illinois, USA
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