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 sees a slight reduction in average high-temperature, with a shift from a mild 59.9°F (15.5°C) in November to a cool 51.1°F (10.6°C). Crystal Hill reports an average nighttime low-temperature of 38.1°F (3.4°C) in December.Humidity
In Crystal Hill, Arkansas, the average relative humidity in December is 77%.Rainfall
In Crystal Hill, in December, it is raining for 11.4 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 149.7 rainfall days, and 34.49" (876mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Crystal Hill, in December, during 0.6 snowfall days, 0.51" (13mm) of snow is typically accumulated. Throughout the year, there are 5.7 snowfall days, and 2.72" (69mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:59 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:08 pm CST.
Sunshine
The average sunshine in December is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during December translates into the following guidance:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Crystal Hill, AR
- Average high temperature in December: 51.1°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in December
Crystal Hill, AR
- 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 (29.94"Hg).
Average wind speed in December
Crystal Hill, AR
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Crystal Hill, AR
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Crystal Hill, AR
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Crystal Hill, AR
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Crystal Hill, AR
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Crystal Hill, AR
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Crystal Hill, AR
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Crystal Hill, AR
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Crystal Hill, AR
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Crystal Hill, AR
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Crystal Hill, AR
- 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).
Crystal Hill, Arkansas, USA
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