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 brings a decrease in the average high-temperature, shifting from a refreshing 56.3°F (13.5°C) in November to a frosty 47.1°F (8.4°C). December nights in Lilbourn cool down to an average low-temperature of 35.4°F (1.9°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Lilbourn, during December, the rain falls for 10.5 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Lilbourn, there are 151.9 rainfall days, and 36.06" (916mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall in Lilbourn. In December, it is snowing for 1.2 days. Throughout December, 0.35" (9mm) of snow is accumulated. In Lilbourn, during the entire year, snow falls for 8.9 days and aggregates up to 4.21" (107mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December in Lilbourn, sunrise is at 6:52 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Lilbourn. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in December in Lilbourn?
What is the average humidity in December in Lilbourn?
How much does it rain in Lilbourn in December?
How many days does it snow in December in Lilbourn?
What is the month with the shortest days in Lilbourn?
How many hours of daylight does Lilbourn have in December?
When are sunrise and sunset in December in Lilbourn?
How long on average sun shines in December in Lilbourn?
What is the month with the lowest UV index in Lilbourn?
How high is the UV index in December in Lilbourn?
Average temperature in December
Lilbourn, MO
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Lilbourn, MO
- 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
Lilbourn, MO
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Lilbourn, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Lilbourn, MO
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is March (4.25").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Lilbourn, MO
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Lilbourn, MO
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Lilbourn, MO
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (3.3 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
Lilbourn, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
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
Lilbourn, MO
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Lilbourn, MO
- 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
Lilbourn, MO
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Lilbourn, MO
- 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).
Lilbourn, Missouri, USA
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