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 signals a decrease in the average high-temperature, transitioning from a cool 53.2°F (11.8°C) in November to a chilly 43.7°F (6.5°C). Black encounters a steady low-temperature average of 30.4°F (-0.9°C) throughout the month of December.Humidity
In Black, the average relative humidity in December is 78%.Rainfall
In Black, in December, during 8.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 150.3 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Black, during December, snow falls for 4.4 days and regularly aggregates up to 1.54" (39mm) of snow. In Black, during the entire year, snow falls for 21.4 days and aggregates up to 7.99" (203mm) of snow.Daylight
December has the shortest days of the year in Black, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:55 pm CST.
Sunshine
In Black, the average sunshine in December is 4.9h.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 hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December in Black?
How many days does it rain in December in Black?
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?
When are sunrise and sunset in December?
How many hours of sunshine does Black have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Black?
Average temperature in December
Black, MO
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Black, 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 (29.93"Hg).
Average wind speed in December
Black, MO
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Black, MO
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Black, MO
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Black, MO
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Black, MO
- Average snowfall in December: 1.54"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Black, MO
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (6.2 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
Black, 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: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Black, MO
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in December
Black, 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, November and December (UV index 2).
Average cloud cover in December
Black, MO
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Black, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Black, Missouri, USA
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