December weather forecastMulkeytown, IL

December

Weather in December

December, the first month of the winter in Mulkeytown, is also a frosty month, with an average temperature varying between 31.3°F (-0.4°C) and 43.5°F (6.4°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a cool 53.2°F (11.8°C) in November to a frosty 43.5°F (6.4°C). Mulkeytown records an average nighttime low-temperature of 31.3°F (-0.4°C) throughout December.

Humidity

In December, the average relative humidity is 77%.

Rainfall

In Mulkeytown, Illinois, in December, during 7.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Mulkeytown, during the entire year, the rain falls for 122.7 days and collects up to 18.03" (458mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Mulkeytown, during December, snow falls for 2.8 days and regularly aggregates up to 0.63" (16mm) of snow. In Mulkeytown, during the entire year, snow falls for 14.5 days and aggregates up to 2.64" (67mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:47 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

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 minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 43.5°F (6.4°C) and 31.3°F (-0.4°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 96.8°F (36°C).

In December, the average relative humidity is 77%.

In Mulkeytown, in December, it is raining for 7.8 days, with typically 1.02" (26mm) of accumulated precipitation.

In Mulkeytown, in December, during 2.8 snowfall days, 0.63" (16mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 36min of daylight.

The average day length in December is 9h and 35min.

On the first day of December, sunrise is at 6:54 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:47 pm CST.

In December, the average sunshine duration is 4.7h.

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

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Mulkeytown, IL

  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in December
Mulkeytown, IL

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Mulkeytown, IL

  • Average wind speed in December: 9mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

Average humidity in December
Mulkeytown, IL

  • Average humidity in December: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Mulkeytown, IL

  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").

Average rainfall days in December
Mulkeytown, IL

  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Mulkeytown, IL

  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mulkeytown, IL

  • Average snowfall days in December: 2.8 days

The month with the highest number of snowfall days is January (4.5 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
Mulkeytown, IL

  • Average daylight in December: 9h and 36min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Mulkeytown, IL

  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in December
Mulkeytown, 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
Mulkeytown, IL

  • Average cloud cover in December: 49

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in December
Mulkeytown, 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).