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 is characterized by a reduction in the average high-temperature, from a fresh 51.8°F (11°C) in November to a wintry 39.9°F (4.4°C). During December nights, Clark records an average temperature of 27.3°F (-2.6°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Clark, during December, the rain falls for 6.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 136.6 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September through December. In Clark, in December, snow falls for 3.8 days, with typically accumulated 1.38" (35mm) of snow. In Clark, Missouri, during the entire year, snow falls for 21.5 days and aggregates up to 10.94" (278mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:56 pm CST.
Sunshine
In Clark, Missouri, the average sunshine in December is 5h.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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Clark?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Clark, MO
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Clark, MO
- 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 (29.91"Hg).
Average wind speed in December
Clark, MO
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January, February and March (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Clark, MO
- Average humidity in December: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Clark, MO
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Clark, MO
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Clark, MO
- Average snowfall in December: 1.38"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Clark, MO
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Clark, MO
- 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Clark, MO
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Clark, MO
- 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
Clark, MO
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Clark, 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).
Clark, Missouri, USA
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