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
In Lenzburg, the beginning of December is marked by a lowered average high-temperature, shifting from November's cool 53.6°F (12°C) to a chilly 43.3°F (6.3°C). December nights are marked by an average low-temperature of 31.1°F (-0.5°C).Humidity
In Lenzburg, the average relative humidity in December is 77%.Rainfall
In Lenzburg, Illinois, in December, it is raining for 6.5 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Lenzburg, there are 129.6 rainfall days, and 19.09" (485mm) of precipitation is accumulated.Snowfall
January through March, September through December are months with snowfall in Lenzburg. In Lenzburg, in December, during 3.1 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Lenzburg, during the entire year, snow falls for 16.2 days and aggregates up to 3.19" (81mm) of snow.Daylight
December has the shortest days of the year in Lenzburg, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:57 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:49 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
Is December cold in Lenzburg?
What is the average humidity in December in Lenzburg?
How much does it rain in Lenzburg in December?
How many days does it snow in December in Lenzburg?
What is the month with the shortest days in Lenzburg?
What is the average length of the day in December in Lenzburg?
When are sunrise and sunset in December in Lenzburg?
How many hours of sunshine does Lenzburg have in December?
When is the lowest UV index in Lenzburg?
How high is the UV index in December in Lenzburg?
Average temperature in December
Lenzburg, IL
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 31.1°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 (25.2°F).
Average pressure in December
Lenzburg, IL
- Average pressure in December: 30.13"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
Lenzburg, IL
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Lenzburg, 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 (71%).
Average rainfall in December
Lenzburg, IL
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Lenzburg, IL
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall in December
Lenzburg, IL
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days in December
Lenzburg, IL
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lenzburg, IL
- Average daylight in December: 9h and 4min
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 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Lenzburg, IL
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in December
Lenzburg, 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
Lenzburg, IL
- Average cloud cover in December: 47
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in December
Lenzburg, 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).
Lenzburg, Illinois, USA
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