December weather forecast
Pesotum, IL

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Weather in December

December, the first month of the winter in Pesotum, is still a cold month, with an average temperature ranging between max 38.5°F (3.6°C) and min 28°F (-2.2°C).

Temperature

December's onset brings a slight change in high-temperatures, falling from a chilly 49.6°F (9.8°C) in November to a wintry 38.5°F (3.6°C). Pesotum, in December, witnesses an average low-temperature of 28°F (-2.2°C).

Humidity

In Pesotum, the average relative humidity in December is 80%.

Rainfall

In Pesotum, in December, during 7.7 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Pesotum, Illinois, during the entire year, the rain falls for 132 days and collects up to 15.94" (405mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. December is the month with the most snowfall in Pesotum. Snow falls for 5.7 days and accumulates 1.26" (32mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:28 pm. On the last day of December, in Pesotum, sunrise is at 7:14 am and sunset at 4:38 pm CST.

Sunshine

The average sunshine in December is 4.6h.

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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

How cold does it get in Pesotum in December?

The high-temperature, in December, in Pesotum, is 38.5°F (3.6°C), while the low-temperature averages to 28°F (-2.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 86°F (30°C).

What is the average humidity in December in Pesotum?

The average relative humidity in December in Pesotum, Illinois, is 80%.

How many days does it rain in December in Pesotum?

In Pesotum, in December, during 7.7 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

When does it snow the most in Pesotum?

December is the month with the most snowfall in Pesotum. Snow falls for 5.7 days and accumulates 1.26" (32mm) of snow.

How many days does it snow in December in Pesotum?

In Pesotum, Illinois, in December, during 5.7 snowfall days, 1.26" (32mm) of snow is typically accumulated.

What is the month with the shortest days in Pesotum?

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

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

In Pesotum, the average day length in December is 9h and 24min.

What time are sunrise and sunset in December in Pesotum?

On the first day of December, sunrise is at 6:56 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:38 pm CST.

How many hours of sunshine does Pesotum have in December?

The average sunshine duration in December in Pesotum, Illinois, is 4.6h.

What is the month with the lowest UV index in Pesotum?

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 Pesotum?

The average daily maximum UV index in December in Pesotum, Illinois, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Pesotum, IL

Average temperature in December - Pesotum, IL
  • Average high temperature in December: 38.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in December
Pesotum, IL

Average pressure in December - Pesotum, 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 (29.93"Hg).

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Average wind speed in December
Pesotum, IL

Average wind speed in December - Pesotum, IL
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in December
Pesotum, IL

Average humidity in December - Pesotum, IL
  • Average humidity in December: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Pesotum, IL

Average rainfall in December - Pesotum, IL
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is February (0.83").

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Average rainfall days in December
Pesotum, IL

Average rainfall days in December - Pesotum, IL
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (6 days).

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Average snowfall in December
Pesotum, IL

Average snowfall in December - Pesotum, IL
  • Average snowfall in December: 1.26"

The month with the highest snowfall is December (1.26").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Pesotum, IL

Average snowfall days in December - Pesotum, IL
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (8 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
Pesotum, IL

Average daylight in December / Average sunshine in December - Pesotum, 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 4min

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 6min).

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Average sunshine days in December
Pesotum, IL

Average sunshine days in December - Pesotum, IL
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in December
Pesotum, IL

Average UV index in December - Pesotum, 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).

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Average cloud cover in December
Pesotum, IL

Average cloud cover in December - Pesotum, IL
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Pesotum, IL

Average visibility in December - Pesotum, 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).

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Pesotum, Illinois, USA

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