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 shift from November to December includes a small decrease in the average high-temperature, from an enjoyable 61.5°F (16.4°C) to a cool 53.1°F (11.7°C). The month of December records an average low-temperature of 40.3°F (4.6°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Grady, in December, during 11.4 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. In Grady, during the entire year, the rain falls for 149.4 days and collects up to 37.76" (959mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. In Grady, during the entire year, snow falls for 2.7 days and aggregates up to 1.18" (30mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:54 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:07 pm CST.
Sunshine
In Grady, the average sunshine in December is 5h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun 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?
How many days does it rain in December?
When does it start to snow?
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 many hours of sunshine does Grady have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Grady, AR
- Average high temperature in December: 53.1°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Grady, 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
Grady, AR
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Grady, AR
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Grady, AR
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Grady, AR
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Grady, AR
- Average snowfall in December: 0.04"
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
Grady, AR
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.1 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
Grady, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Grady, AR
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in December
Grady, 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 and December (UV index 3).
Average cloud cover in December
Grady, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Grady, 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).
Grady, Arkansas, USA
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