December weather forecast
Tilton, IL

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Weather in December

December, the first month of the winter in Tilton, is still a cold month, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 37.6°F (3.1°C).

Temperature

During Tilton's transition into December, the average high-temperature lessens, moving from a chilly 48.9°F (9.4°C) in November to an icy 37.6°F (3.1°C). Tilton observes an average low-temperature of 27.5°F (-2.5°C) during December nights.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Tilton, in December, it is raining for 8.8 days, with typically 1.46" (37mm) of accumulated precipitation. In Tilton, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

Months with snowfall in Tilton are January through April, November and December. In December, it is snowing for 7.9 days. Throughout December, 2.09" (53mm) of snow is accumulated. In Tilton, during the entire year, snow falls for 35.2 days and aggregates up to 8.82" (224mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:35 pm CST.

Sunshine

In Tilton, the average sunshine in December is 4.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

Tilton in December has an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 27.5°F (-2.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How many days does it rain in December?

In December, the rain falls for 8.8 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

How much does it snow in Tilton in December?

In Tilton, Illinois, in December, snow falls for 7.9 days, with typically accumulated 2.09" (53mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 23min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:54 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:35 pm CST.

How long on average sun shines in December?

The average sunshine duration in December in Tilton is 4.5h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In Tilton, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Tilton, IL

Average temperature in December - Tilton, IL
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in December
Tilton, IL

Average pressure in December - Tilton, IL
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Tilton, IL

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Tilton, IL

Average humidity in December - Tilton, IL
  • Average humidity in December: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Tilton, IL

Average rainfall in December - Tilton, IL
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in December
Tilton, IL

Average rainfall days in December - Tilton, IL
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in December
Tilton, IL

Average snowfall in December - Tilton, IL
  • Average snowfall in December: 2.09"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Tilton, IL

Average snowfall days in December - Tilton, IL
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is January (10.6 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
Tilton, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 3min

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 0min).

Average sunshine days in December
Tilton, IL

Average sunshine days in December - Tilton, IL
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in December
Tilton, IL

Average UV index in December - Tilton, 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
Tilton, IL

Average cloud cover in December - Tilton, IL
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in December
Tilton, IL

Average visibility in December - Tilton, 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).

Tilton, Illinois, USA

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