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
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a mild 60.1°F (15.6°C) in November to a cool 52.3°F (11.3°C). December nights observe an average temperature dip to an icy 38.3°F (3.5°C).Humidity
December is the most humid month in South Haleyville, with an average relative humidity of 80%.Rainfall
December is the month with the most rainfall. Rain falls for 13.3 days and accumulates 4.45" (113mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In South Haleyville, Alabama, 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 2.05" (52mm) of snow is accumulated.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 6:38 am and sunset at 4:40 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:51 pm CST.
Sunshine
February and December, with an average of 4.7h of sunshine, are months with the least sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in South Haleyville. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for South Haleyville 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 December?
What is the month with the shortest days in South Haleyville?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December in South Haleyville?
Average temperature in December
South Haleyville, AL
- Average high temperature in December: 52.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in December
South Haleyville, AL
- 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 (29.97"Hg).
Average wind speed in December
South Haleyville, AL
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
South Haleyville, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
South Haleyville, AL
- Average rainfall in December: 4.45"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in December
South Haleyville, AL
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
South Haleyville, AL
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
South Haleyville, 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
South Haleyville, 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 month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
South Haleyville, AL
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in December
South Haleyville, AL
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
South Haleyville, AL
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
South Haleyville, AL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
South Haleyville, Alabama, USA
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