Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's arrival corresponds with a decrease in average high-temperatures, from November's cool 50.4°F (10.2°C) to an icy 38.7°F (3.7°C). The low-temperature in Arenzville averages to a subzero cold 27.5°F (-2.5°C) during the nights of December.Humidity
The average relative humidity in December in Arenzville is 78%.Rainfall
The month with the least rainfall in Arenzville, Illinois, is December, when the rain falls for 8.6 days and typically collects 1.61" (41mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Arenzville, in December, snow falls for 6.3 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, in Arenzville, there are 31.2 snowfall days, and 11.85" (301mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:37 pm. On the last day of December, in Arenzville, sunrise is at 7:22 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine in Arenzville, Illinois, is 4.7h.UV index
The months with the lowest UV index in Arenzville, Illinois, 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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Arenzville?
What is the average humidity in December in Arenzville?
What is the driest month in Arenzville?
How many days does it rain in December in Arenzville?
How much does it snow in Arenzville in December?
What is the month with the shortest days in Arenzville?
How many hours of daylight does Arenzville have in December?
When are sunrise and sunset in December in Arenzville?
How long on average sun shines in December in Arenzville?
What are the months with the lowest UV index in Arenzville?
What is the UV index intensity in December in Arenzville?
Average temperature in December
Arenzville, IL
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Arenzville, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Arenzville, IL
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January, February and April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Arenzville, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Arenzville, IL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days in December
Arenzville, IL
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Arenzville, IL
- Average snowfall in December: 1.65"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Arenzville, IL
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (10.1 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
Arenzville, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Arenzville, IL
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in December
Arenzville, 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
Arenzville, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in December
Arenzville, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Arenzville, Illinois, USA
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