December weather forecastLa Moille, IL

December

Weather in December

The first month of the winter, December, is also an icy month in La Moille, Illinois, with an average temperature varying between 24.1°F (-4.4°C) and 34.5°F (1.4°C).

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 46.6°F (8.1°C) in November to an icy 34.5°F (1.4°C). Throughout the month of December, La Moille sees a steady low-temperature average of 24.1°F (-4.4°C).

Humidity

In La Moille, the average relative humidity in December is 82%.

Rainfall

The months with the least rainfall are January, February, November and December Rain falls for 4.6 days and accumulates 0.51" (13mm) of rain.

Snowfall

Months with snowfall in La Moille are January through April, October through December. In December, it is snowing for 6 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, there are 29.3 snowfall days, and 3.86" (98mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:04 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:37 pm CST.

Sunshine

The average sunshine in December is 4.1h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 1 in December leads to these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

In December, the average high-temperature and low-temperature are 34.5°F (1.4°C) and 24.1°F (-4.4°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is appraised at 86°F (30°C).

In December, the average relative humidity is 82%.

January, February, November and December are months with the least rain when the rain falls for 4.6 days and typically aggregates up to 0.51" (13mm) of rain.

In La Moille, in December, during 4.6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

In La Moille, in December, snow falls for 6 days, with typically accumulated 0.39" (10mm) of snow.

December has the shortest days of the year, with an average of 9h and 12min of daylight.

In December, the average day length is 9h and 14min.

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:37 pm CST.

The average sunshine duration in December is 4.1h.

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
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
La Moille, IL

  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in December
La Moille, IL

  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
La Moille, IL

  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
La Moille, IL

  • Average humidity in December: 82%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
La Moille, IL

  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").

Average rainfall days in December
La Moille, IL

  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).

Average snowfall in December
La Moille, IL

  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
La Moille, IL

  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (8.6 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
La Moille, IL

  • Average daylight in December: 9h and 12min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 6min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
La Moille, IL

  • Average sunshine days in December: 21.8 days

The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in December
La Moille, IL

  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
La Moille, IL

  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in December
La Moille, 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).