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
A change in temperatures is noted as November gives way to December, with average highs reducing from a refreshing 55.4°F (13°C) to a frosty 45.5°F (7.5°C). Mound City in December anticipates an average nighttime temperature of 33.8°F (1°C).Humidity
February, March, May and December, with an average relative humidity of 78%, are the most humid months in Mound City.Rainfall
In Mound City, Illinois, in December, it is raining for 10.5 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, there are 156.3 rainfall days, and 36.65" (931mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Mound City, Illinois, in December, snow falls for 1.5 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 11.5 snowfall days, and 4.88" (124mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Mound City, Illinois.On the first day of the month, sunrise is at 6:52 am and sunset at 4:39 pm. On the last day of December, in Mound City, sunrise is at 7:10 am and sunset at 4:49 pm CST.
Sunshine
In Mound City, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the temperature in December in Mound City?
What is the most humid month in Mound City?
What is the average humidity in December in Mound City?
How much does it rain in Mound City in December?
How many days does it snow in December in Mound City?
What is the month with the shortest days in Mound City?
How many hours of daylight does Mound City have in December?
What time are sunrise and sunset in December in Mound City?
How long on average sun shines in December in Mound City?
When is the lowest UV index in Mound City?
How high is the UV index in December in Mound City?
Average temperature in December
Mound City, IL
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Mound City, 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 (29.94"Hg).
Average wind speed in December
Mound City, IL
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Mound City, IL
- Average humidity in December: 78%
The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Mound City, IL
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Mound City, IL
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Mound City, IL
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mound City, IL
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.8 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
Mound City, IL
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Mound City, IL
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Mound City, 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 and December (UV index 2).
Average cloud cover in December
Mound City, IL
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Mound City, 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).
Mound City, Illinois, USA
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