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 onset of December results in a small decrease in the average high-temperature, moderately receding from a mild 59.7°F (15.4°C) in November to a fresh 52°F (11.1°C). Grayson cools down to an average low-temperature of 38.3°F (3.5°C) throughout the month of December.Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
The month with the most rainfall 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, during December, snow falls for 1.2 days and regularly aggregates up to 0.28" (7mm) of snow. In Grayson, during the entire year, snow falls for 6.6 days and aggregates up to 1.73" (44mm) 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 6:37 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:49 pm CST.
Sunshine
In Grayson, Alabama, the average sunshine in December is 4.7h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grayson in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How much does it snow in Grayson in December?
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 Grayson have in December?
When is the lowest UV index?
How high is the UV index in December?
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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