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 involves a decrease in the average high-temperature, dropping from a cool 51.6°F (10.9°C) to an icy 40.3°F (4.6°C). New Douglas's nights in December cool down to an average low-temperature of 29.1°F (-1.6°C).Humidity
In New Douglas, the average relative humidity in December is 78%.Rainfall
In New Douglas, in December, during 6.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In New Douglas, during the entire year, the rain falls for 121.4 days and collects up to 14.72" (374mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in New Douglas. The month with the most snowfall in New Douglas is December, when snow falls for 3.8 days and typically aggregates up to 0.98" (25mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December in New Douglas, sunrise is at 6:59 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine in New Douglas 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 in New Douglas. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in New Douglas in December?
What is the average humidity in December in New Douglas?
How many days does it rain in December in New Douglas?
What is the snowiest month in New Douglas?
How much does it snow in New Douglas in December?
What is the month with the shortest days in New Douglas?
What is the average length of the day in December in New Douglas?
What time are sunrise and sunset in December in New Douglas?
How many hours of sunshine does New Douglas have in December?
When is the lowest UV index in New Douglas?
How high is the UV index in December in New Douglas?
Average temperature in December
New Douglas, IL
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
New Douglas, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
New Douglas, IL
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
New Douglas, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
New Douglas, IL
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
New Douglas, IL
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
New Douglas, IL
- Average snowfall in December: 0.98"
The month with the highest snowfall is December (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
New Douglas, IL
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.3 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
New Douglas, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
New Douglas, IL
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
New Douglas, 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
New Douglas, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in December
New Douglas, 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).
New Douglas, Illinois, USA
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