December weather forecast
Scottville, IL

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Weather in December

The first month of the winter, December, is also a wintry month in Scottville, Illinois, with an average temperature varying between 39°F (3.9°C) and 28°F (-2.2°C).

Temperature

The start of December involves a temperature drop, moving from a cool 50.7°F (10.4°C) in November to a wintry 39°F (3.9°C). In the month of December, the average temperature dips to a subzero cold 28°F (-2.2°C) during the night.

Humidity

In December, the average relative humidity is 78%.

Rainfall

The months with the least rainfall are February and December Rain falls for 6 days and accumulates 0.79" (20mm) of rain.

Snowfall

January through April, November and December are months with snowfall in Scottville. In December, it is snowing for 4.7 days. Throughout December, 0.75" (19mm) of snow is accumulated. In Scottville, during the entire year, snow falls for 23.2 days and aggregates up to 4.45" (113mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:37 pm. On the last day of December, in Scottville, sunrise is at 7:20 am and sunset at 4:46 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, in Scottville, the average high-temperature is 39°F (3.9°C), and the average low-temperature is 28°F (-2.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

What is the driest month?

The months with the least rainfall are February and December Rain falls for 6 days and accumulates 0.79" (20mm) of rain.

How much does it rain in December?

In December, the rain falls for 6 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

How many days does it snow in December?

In Scottville, during December, snow falls for 4.7 days and regularly aggregates up to 0.75" (19mm) of snow.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 26min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:46 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Scottville, IL

Average temperature in December - Scottville, IL
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

Average pressure in December
Scottville, IL

Average pressure in December - Scottville, IL
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Scottville, IL

Average wind speed in December - Scottville, IL
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in December
Scottville, IL

Average humidity in December - Scottville, IL
  • Average humidity in December: 78%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Scottville, IL

Average rainfall in December - Scottville, IL
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is June (2.36").
The driest months (with the least rainfall) are February and December (0.79").

Average rainfall days in December
Scottville, IL

Average rainfall days in December - Scottville, IL
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in December
Scottville, IL

Average snowfall in December - Scottville, IL
  • Average snowfall in December: 0.75"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Scottville, IL

Average snowfall days in December - Scottville, IL
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (7.6 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
Scottville, IL

Average daylight in December / Average sunshine in December - Scottville, IL
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Scottville, IL

Average sunshine days in December - Scottville, IL
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in December
Scottville, IL

Average UV index in December - Scottville, 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
Scottville, IL

Average cloud cover in December - Scottville, IL
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in December
Scottville, IL

Average visibility in December - Scottville, 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).

Scottville, Illinois, USA

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