December weather forecast
Winslow, IL

Weather in December

The first month of the winter, December, is still a freezing cold month in Winslow, Illinois, with temperature in the range of an average low of 21.4°F (-5.9°C) and an average high of 31.6°F (-0.2°C).

Temperature

In Winslow, the average high-temperature in December drops from a chilly 43.9°F (6.6°C) in November to a freezing cold 31.6°F (-0.2°C). In Winslow, the average low-temperature is 21.4°F (-5.9°C).

Humidity

In December, the average relative humidity in Winslow, Illinois, is 83%.

Rainfall

In December, in Winslow, the rain falls for 7.4 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Winslow, during the entire year, the rain falls for 145.9 days and collects up to 22.8" (579mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Winslow, snow falls for 11.3 days, with typically accumulated 2.52" (64mm) of snow. In Winslow, during the entire year, snow falls for 50.1 days and aggregates up to 13.62" (346mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 8min of daylight.
On the first day of December in Winslow, sunrise is at 7:09 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:35 pm CST.

Sunshine

The average sunshine in December is 4h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in December in Winslow?

The average relative humidity in December is 83%.

How much does it rain in Winslow in December?

In Winslow, in December, during 7.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

How many days does it snow in December in Winslow?

In Winslow, in December, during 11.3 snowfall days, 2.52" (64mm) of snow is typically accumulated.

What is the month with the shortest days in Winslow?

December has the shortest days of the year in Winslow, Illinois, with an average of 9h and 8min of daylight.

What is the average length of the day in December in Winslow?

In December, the average day length is 9h and 8min.

When are sunrise and sunset in December in Winslow?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:27 pm. On the last day of the month, in Winslow, sunrise is at 7:28 am and sunset at 4:35 pm CST.

How long on average sun shines in December in Winslow?

The average sunshine duration in December in Winslow, Illinois, is 4h.

What are the months with the lowest UV index in Winslow?

The months with the lowest UV index in Winslow, Illinois, are January and December, with an average maximum UV index of 1.

How high is the UV index in December in Winslow?

In Winslow, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Winslow, IL

Average temperature in December - Winslow, IL
  • Average high temperature in December: 31.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in December: 21.4°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

[Resources]

Average pressure in December
Winslow, IL

Average pressure in December - Winslow, IL
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in December
Winslow, IL

Average wind speed in December - Winslow, IL
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

[Resources]

Average humidity in December
Winslow, IL

Average humidity in December - Winslow, IL
  • Average humidity in December: 83%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

[Resources]

Average rainfall in December
Winslow, IL

Average rainfall in December - Winslow, IL
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.06").

[Resources]

Average rainfall days in December
Winslow, IL

Average rainfall days in December - Winslow, IL
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (5.3 days).

[Resources]

Average snowfall in December
Winslow, IL

Average snowfall in December - Winslow, IL
  • Average snowfall in December: 2.52"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in December
Winslow, IL

Average snowfall days in December - Winslow, IL
  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Winslow, IL

Average daylight in December / Average sunshine in December - Winslow, IL
  • Average daylight in December: 9h and 8min

The month with the longest days is June (Average daylight: 15h and 15min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in December
Winslow, IL

Average sunshine days in December - Winslow, IL
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.3 days).

[Resources]

Average UV index in December
Winslow, IL

Average UV index in December - Winslow, IL
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in December
Winslow, IL

Average cloud cover in December - Winslow, 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 September (Cloud cover 33).

[Resources]

Average visibility in December
Winslow, IL

Average visibility in December - Winslow, IL
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

[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