December weather forecast
Fidelity, IL

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Weather in December

The first month of the winter, December, is still a cold month in Fidelity, Illinois, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 29.3°F (-1.5°C).

Temperature

The average high-temperature decreases in December, shifting from a fresh 51.6°F (10.9°C) in November to a wintry 40.6°F (4.8°C). During December, Fidelity consistently records a temperature low averaging a subzero cold 29.3°F (-1.5°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In Fidelity, in December, it is raining for 8.1 days, with typically 1.61" (41mm) of accumulated precipitation. In Fidelity, during the entire year, the rain falls for 141.9 days and collects up to 27.36" (695mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Fidelity, during December, snow falls for 3.9 days and regularly aggregates up to 1.73" (44mm) of snow. Throughout the year, there are 19.8 snowfall days, and 7.91" (201mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:48 pm CST.

Sunshine

In December, the average sunshine in Fidelity is 4.9h.

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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 40.6°F (4.8°C) and 29.3°F (-1.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in December?

In Fidelity, the average relative humidity in December is 77%.

How many days does it rain in December?

In Fidelity, in December, it is raining for 8.1 days, with typically 1.61" (41mm) of accumulated precipitation.

How much does it snow in December?

In Fidelity, during December, snow falls for 3.9 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Fidelity have in December?

In Fidelity, the average day length in December is 9h and 28min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:48 pm CST.

How many hours of sunshine does Fidelity have in December?

The average sunshine duration in December is 4.9h.

What is the month 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 December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Fidelity, IL

Average temperature in December - Fidelity, IL
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 29.3°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
Fidelity, IL

Average pressure in December - Fidelity, 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 (29.92"Hg).

Average wind speed in December
Fidelity, IL

Average wind speed in December - Fidelity, IL
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
Fidelity, IL

Average humidity in December - Fidelity, IL
  • Average humidity in December: 77%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Fidelity, IL

Average rainfall in December - Fidelity, IL
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in December
Fidelity, IL

Average rainfall days in December - Fidelity, IL
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in December
Fidelity, IL

Average snowfall in December - Fidelity, IL
  • Average snowfall in December: 1.73"

The month with the highest snowfall is February (2.48").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Fidelity, IL

Average snowfall days in December - Fidelity, IL
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (6.2 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
Fidelity, IL

Average daylight in December / Average sunshine in December - Fidelity, 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 month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in December
Fidelity, IL

Average sunshine days in December - Fidelity, IL
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in December
Fidelity, IL

Average UV index in December - Fidelity, IL
  • Average UV index in December: 2

The months with the highest UV index are May, 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
Fidelity, IL

Average cloud cover in December - Fidelity, IL
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in December
Fidelity, IL

Average visibility in December - Fidelity, 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).

Fidelity, Illinois, USA

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