December weather forecastFoosland, IL

December

Weather in December

The first month of the winter, December, is still a cold month in Foosland, Illinois, with an average temperature varying between 27.3°F (-2.6°C) and 37.6°F (3.1°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 48.6°F (9.2°C) in November to a wintry 37.6°F (3.1°C). An average nighttime temperature of 27.3°F (-2.6°C) is noted during the month of December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Foosland, during December, the rain falls for 6.2 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Foosland, during the entire year, the rain falls for 115.9 days and collects up to 10.87" (276mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Foosland, in December, snow falls for 5.5 days, with typically accumulated 0.39" (10mm) of snow. In Foosland, Illinois, during the entire year, snow falls for 24.9 days and aggregates up to 3.27" (83mm) 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 December, sunrise is at 6:58 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:37 pm CST.

Sunshine

In Foosland, 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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 2 in December transforms into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

The average high-temperature and low-temperature during December are 37.6°F (3.1°C) and 27.3°F (-2.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 87.8°F (31°C).

The average relative humidity in December is 80%.

In Foosland, during December, the rain falls for 6.2 days and regularly aggregates up to 0.55" (14mm) of precipitation.

In Foosland, in December, during 5.5 snowfall days, 0.39" (10mm) of snow is typically accumulated.

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

In Foosland, the average day length in December is 9h and 21min.

On the first day of December, sunrise is at 6:58 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:37 pm CST.

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

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

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Foosland, IL

  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 27.3°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 (19.8°F).

Average pressure in December
Foosland, 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 (29.92"Hg).

Average wind speed in December
Foosland, IL

  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in December
Foosland, IL

  • Average humidity in December: 80%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Foosland, IL

  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in December
Foosland, IL

  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Foosland, IL

  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Foosland, IL

  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 9h and 24min

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 30min

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
Foosland, IL

  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Foosland, 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
Foosland, IL

  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Foosland, 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).