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 shift from November to December involves a decrease in the average high-temperature, dropping from a fresh 55.2°F (12.9°C) to a chilly 44.6°F (7°C). During December, the nighttime temperature in Lamar Heights averages of 30.6°F (-0.8°C).Humidity
In Lamar Heights, Missouri, the average relative humidity in December is 74%.Rainfall
January and December are months with the least rain in Lamar Heights when the rain falls for 6.7 days and typically aggregates up to 1.5" (38mm) of rain.Snowfall
Months with snowfall are January through May, November and December. In Lamar Heights, in December, during 3.1 snowfall days, 0.79" (20mm) of snow is typically accumulated. In Lamar Heights, Missouri, during the entire year, snow falls for 15.5 days and aggregates up to 5.98" (152mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:09 pm CST.
Sunshine
The average sunshine in December is 5.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lamar Heights. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold is December in Lamar Heights?
What is the average humidity in December in Lamar Heights?
What is the driest month in Lamar Heights?
How much does it rain in Lamar Heights in December?
How much does it snow in Lamar Heights in December?
What is the month with the shortest days in Lamar Heights?
How many hours of daylight does Lamar Heights have in December?
When is the sunrise / sunset in December in Lamar Heights?
How many hours of sunshine does Lamar Heights have in December?
What is the month with the lowest UV index in Lamar Heights?
What is the UV index reading in December in Lamar Heights?
Average temperature in December
Lamar Heights, MO
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in December: 30.6°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 (26.2°F).
Average pressure in December
Lamar Heights, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Lamar Heights, MO
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Lamar Heights, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Lamar Heights, MO
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (5.79").
The driest months (with the least rainfall) are January and December (1.5").
Average rainfall days in December
Lamar Heights, MO
- Average rainfall days in December: 6.7 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
Lamar Heights, MO
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Lamar Heights, MO
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lamar Heights, MO
- 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 36min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Lamar Heights, MO
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Lamar Heights, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Lamar Heights, MO
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Lamar Heights, 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).
Lamar Heights, Missouri, USA
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