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
The start of December involves a temperature drop, moving from a fresh 51.6°F (10.9°C) in November to a wintry 40.1°F (4.5°C). In December, the nighttime temperature lowers to an average of 28.8°F (-1.8°C).Humidity
In Carlinville, the average relative humidity in December is 78%.Rainfall
In Carlinville, during December, the rain falls for 8.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, in Carlinville, there are 138.2 rainfall days, and 23.31" (592mm) of precipitation is accumulated.Snowfall
Months with snowfall in Carlinville, Illinois, are January through March, November and December. In Carlinville, in December, during 4.7 snowfall days, 1.26" (32mm) of snow is typically accumulated. Throughout the year, there are 21.2 snowfall days, and 6.65" (169mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:46 pm CST.
Sunshine
In Carlinville, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Carlinville are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is it in Carlinville in December?
What is the average humidity in December in Carlinville?
How much does it rain in Carlinville in December?
How many days does it snow in December in Carlinville?
What is the month with the shortest days in Carlinville?
What is the average length of the day in December in Carlinville?
What time are sunrise and sunset in December in Carlinville?
How many hours of sunshine does Carlinville have in December?
When is the lowest UV index in Carlinville?
How high is the UV index in December in Carlinville?
Average temperature in December
Carlinville, IL
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Carlinville, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Carlinville, IL
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Carlinville, 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
Carlinville, IL
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (3.07").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in December
Carlinville, IL
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Carlinville, IL
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Carlinville, IL
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (6.3 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
Carlinville, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Carlinville, IL
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Carlinville, 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
Carlinville, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Carlinville, 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).
Carlinville, Illinois, USA
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