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
As December arrives, Grayson's weather displays a minor decrease in high-temperatures, transitioning from November's moderate 59.7°F (15.4°C) to a fresh 52°F (11.1°C). Grayson's temperature lowers to a mean of 38.3°F (3.5°C) during the nights in December.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
The month with the most rainfall in Grayson is December, when the rain falls for 13.1 days and typically aggregates up to 4.49" (114mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Grayson. In Grayson, in December, snow falls for 1.2 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 6.6 snowfall days, and 1.73" (44mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Grayson.On the first day of December, sunrise is at 6:37 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:49 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
The month with the lowest UV index in Grayson is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the average December temperature in Grayson?
What is the most humid month in Grayson?
What is the average humidity in December in Grayson?
What is the rainiest month in Grayson?
How much does it rain in Grayson in December?
How much does it snow in Grayson in December?
What is the month with the shortest days in Grayson?
What is the average length of the day in December in Grayson?
What time are sunrise and sunset in December in Grayson?
How many hours of sunshine does Grayson have in December?
What is the month with the lowest UV index in Grayson?
What is the UV index intensity in December in Grayson?
Average temperature in December
Grayson, AL
- Average high temperature in December: 52°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Grayson, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Grayson, AL
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in December
Grayson, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Grayson, AL
- Average rainfall in December: 4.49"
The wettest month (with the highest rainfall) is December (4.49").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in December
Grayson, AL
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Grayson, AL
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Grayson, AL
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grayson, AL
- 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: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Grayson, AL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Grayson, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Grayson, AL
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Grayson, AL
- 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).
Grayson, Alabama, USA
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