December weather forecast
Fidelity, IL

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Weather in December

December, the first month of the winter in Fidelity, is also an icy month, with an average temperature ranging between min 29.3°F (-1.5°C) and max 40.6°F (4.8°C).

Temperature

Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a cool 51.6°F (10.9°C) to a wintry 40.6°F (4.8°C). In Fidelity, an average temperature of 29.3°F (-1.5°C) is noted during December nights.

Humidity

The average relative humidity in December in Fidelity is 77%.

Rainfall

In Fidelity, in December, during 8.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Fidelity, there are 141.9 rainfall days, and 27.36" (695mm) of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Fidelity, 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.

Sunshine

In December, the average sunshine is 4.9h.

UV index

The months with the lowest UV index in Fidelity are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

Is it cold in Fidelity during December?

During December, Fidelity experiences an average high-temperature of 40.6°F (4.8°C) and a low-temperature of 29.3°F (-1.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in Fidelity?

In December, the average relative humidity is 77%.

How many days does it rain in December in Fidelity?

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

How much does it snow in Fidelity 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 in Fidelity?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Fidelity, Illinois.

How many hours of daylight does Fidelity have in December?

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

When are sunrise and sunset in December in Fidelity?

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, in Fidelity, Illinois, sunrise is at 7:19 am and sunset at 4:48 pm CST.

How many hours of sunshine does Fidelity have in December?

In December, the average sunshine duration is 4.9h.

When is the lowest UV index in Fidelity?

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 reading in December in Fidelity?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Fidelity, Illinois, USA

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