December weather forecast
New Douglas, IL

Weather in December

The first month of the winter, December, is also a wintry month in New Douglas, Illinois, with temperature in the range of an average high of 40.3°F (4.6°C) and an average low of 29.1°F (-1.6°C).

Temperature

In December, the average high-temperature decreases from a fresh 51.6°F (10.9°C) in November to a wintry 40.3°F (4.6°C). In December, in New Douglas, Illinois, the average low-temperature is 29.1°F (-1.6°C).

Humidity

In New Douglas, the average relative humidity in December is 78%.

Rainfall

In New Douglas, 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 is December, when snow falls for 3.8 days and typically aggregates up to 0.98" (25mm) of snow.

Daylight

December has the shortest days of the year in New Douglas, with an average of 9h and 29min of daylight.
On the first day of December in New Douglas, sunrise is at 6:58 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, Illinois, is 4.8h.

UV index

The months with the lowest UV index in New Douglas are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in December in New Douglas?

In December, the average high-temperature is 40.3°F (4.6°C), and the average low-temperature is 29.1°F (-1.6°C). in August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in December in New Douglas?

The average relative humidity in December in New Douglas is 78%.

How much does it rain in New Douglas in December?

In December, in New Douglas, the rain falls for 6.7 days. Throughout December, 0.87" (22mm) of precipitation is accumulated.

What is the snowiest month 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.

How much does it snow in New Douglas in December?

In December, it is snowing for 3.8 days. Throughout December, 0.98" (25mm) of snow is accumulated.

What is the month with the shortest days in New Douglas?

December has the shortest days of the year in New Douglas, Illinois, with an average of 9h and 29min of daylight.

What is the average length of the day in December in New Douglas?

In December, the average day length in New Douglas, Illinois, is 9h and 29min.

When are sunrise and sunset in December in New Douglas?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:36 pm. On the last day of the month, in New Douglas, sunrise is at 7:17 am and sunset at 4:46 pm CST.

How long on average sun shines in December in New Douglas?

The average sunshine duration in December in New Douglas, Illinois, is 4.8h.

What are the months with the lowest UV index in New Douglas?

The months with the lowest UV index in New Douglas, Illinois, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in New Douglas?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
New Douglas, IL

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).

[Resources]

Average pressure in December
New Douglas, IL

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).

[Resources]

Average wind speed in December
New Douglas, IL

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).

[Resources]

Average humidity in December
New Douglas, IL

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%).

[Resources]

Average rainfall in December
New Douglas, IL

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").

[Resources]

Average rainfall days in December
New Douglas, IL

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).

[Resources]

Average snowfall in December
New Douglas, IL

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").

[Resources]

Average snowfall days in December
New Douglas, IL

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).

[Resources]

Average daylight in December /
Average sunshine in December
New Douglas, IL

Average daylight in December / Average sunshine in December - New Douglas, IL
  • Average daylight in December: 9h and 29min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in December: 4h and 48min

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).

[Resources]

Average sunshine days in December
New Douglas, IL

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).

[Resources]

Average UV index in December
New Douglas, IL

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).

[Resources]

Average cloud cover in December
New Douglas, IL

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).

[Resources]

Average visibility in December
New Douglas, IL

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location