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 average high-temperature decreases in December, shifting from a fresh 52.9°F (11.6°C) in November to an icy 41.9°F (5.5°C). Throughout December, Black Jack anticipates an average low-temperature of 30°F (-1.1°C).Humidity
In Black Jack, the average relative humidity in December is 76%.Rainfall
In Black Jack, during December, the rain falls for 8.2 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Black Jack, during the entire year, the rain falls for 149 days and collects up to 31.61" (803mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Black Jack. In Black Jack, Missouri, in December, during 3.7 snowfall days, 2.01" (51mm) of snow is typically accumulated. In Black Jack, during the entire year, snow falls for 19.5 days and aggregates up to 8.82" (224mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:01 am and sunset at 4:39 pm. On the last day of December, in Black Jack, sunrise is at 7:19 am and sunset at 4:49 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
Is it cold in Black Jack during December?
What is the average humidity in December in Black Jack?
How much does it rain in Black Jack in December?
How much does it snow in Black Jack in December?
What is the month with the shortest days in Black Jack?
What is the average length of the day in December in Black Jack?
When are sunrise and sunset in December in Black Jack?
How long on average sun shines in December in Black Jack?
When is the lowest UV index in Black Jack?
How high is the UV index in December in Black Jack?
Average temperature in December
Black Jack, MO
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Black Jack, 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 (29.92"Hg).
Average wind speed in December
Black Jack, MO
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in December
Black Jack, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Black Jack, MO
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Black Jack, MO
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Black Jack, MO
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Black Jack, MO
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (6.7 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 Jack, MO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Black Jack, MO
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Black Jack, 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 Jack, MO
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Black Jack, 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).
Black Jack, Missouri, USA
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