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
Graysville's December weather features a light decline in high-temperatures, reducing from an enjoyable 61.9°F (16.6°C) in November to a cool 54.5°F (12.5°C). In Graysville, the nighttime temperature averages to a wintry 40.1°F (4.5°C) during December.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
December is the month with the most rainfall in Graysville. Rain falls for 13.1 days and accumulates 4.17" (106mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Graysville, in December, snow falls for 0.5 days, with typically accumulated 0.39" (10mm) of snow. In Graysville, Alabama, during the entire year, snow falls for 4.1 days and aggregates up to 1.61" (41mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December in Graysville, Alabama, sunrise is at 6:34 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:50 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
December is the month with the lowest UV index in Graysville, Alabama, with an average maximum UV index of 2. 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:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are the temperatures in Graysville in December?
What is the most humid month in Graysville?
What is the average humidity in December in Graysville?
What is the rainiest month in Graysville?
How much does it rain in Graysville in December?
How many days does it snow in December in Graysville?
What is the month with the shortest days in Graysville?
What is the average length of the day in December in Graysville?
When are sunrise and sunset in December in Graysville?
How many hours of sunshine does Graysville have in December?
When is the lowest UV index in Graysville?
How high is the UV index in December in Graysville?
Average temperature in December
Graysville, AL
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Graysville, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Graysville, AL
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Graysville, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in December
Graysville, AL
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in December
Graysville, AL
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Graysville, AL
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Graysville, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.4 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
Graysville, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
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
Graysville, AL
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Graysville, AL
- Average UV index in December: 2
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Graysville, AL
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
Graysville, 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).
Graysville, Alabama, USA
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