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 brings a slight decrease in temperature, down from a comfortable 61°F (16.1°C) in November to a fresh 52.9°F (11.6°C). An average nighttime temperature of 37.8°F (3.2°C) is witnessed throughout December.Humidity
In Graysonia, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. In Graysonia, during the entire year, the rain falls for 148.7 days and collects up to 36.65" (931mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. In Graysonia, during the entire year, snow falls for 3.7 days and aggregates up to 1.57" (40mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:14 pm CST.
Sunshine
February and December, with an average of 5.1h of sunshine, are months with the least sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December translates into the following guidance:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December in Graysonia?
How much does it rain in December?
When does it start snowing?
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?
What is the month with the least sunshine?
How many hours of sunshine does Graysonia have in December?
What is the month with the lowest UV index in Graysonia?
How high is the UV index in December?
Average temperature in December
Graysonia, AR
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Graysonia, AR
- 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
Graysonia, AR
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Graysonia, AR
- Average humidity in December: 79%
The months with the highest relative humidity are February and March (80%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Graysonia, AR
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Graysonia, AR
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Graysonia, AR
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Graysonia, AR
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Graysonia, AR
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Graysonia, AR
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is February (13.9 days).
Average UV index in December
Graysonia, AR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Graysonia, AR
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Graysonia, AR
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Graysonia, Arkansas, USA
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