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 transition into December subtly indicates a reduction in the average high-temperature, down to a still refreshing 59.2°F (15.1°C) from November's comfortable 66.2°F (19°C). During December, the nighttime temperature in McWilliams averages to a frosty 43°F (6.1°C).Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
The month with the most rainfall in McWilliams is December, when the rain falls for 13 days and typically aggregates up to 3.94" (100mm) of precipitation.Snowfall
January through March and December are months with snowfall in McWilliams. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1.5 snowfall days, and 0.67" (17mm) of snow is accumulated.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:31 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:55 pm CST.
Sunshine
In McWilliams, Alabama, the average sunshine in December is 5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the temperature in December in McWilliams?
What is the most humid month in McWilliams?
What is the average humidity in December in McWilliams?
What is the wettest month in McWilliams?
How many days does it rain in December in McWilliams?
When does it start to snow in McWilliams?
What is the month with the shortest days in McWilliams?
How many hours of daylight does McWilliams have in December?
When is the sunrise / sunset in December in McWilliams?
How many hours of sunshine does McWilliams have in December?
What are the months with the lowest UV index in McWilliams?
How high is the UV index in December in McWilliams?
Average temperature in December
McWilliams, AL
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 43°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
McWilliams, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
McWilliams, AL
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
McWilliams, 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 (70%).
Average rainfall in December
McWilliams, AL
- Average rainfall in December: 3.94"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
McWilliams, AL
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
McWilliams, AL
- Average snowfall in December: 0.08"
The month with the highest snowfall is March (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
McWilliams, AL
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.6 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
McWilliams, AL
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
McWilliams, AL
- Average sunshine days in December: 16.3 days
The months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in December
McWilliams, AL
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
McWilliams, AL
- Average cloud cover in December: 49
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
McWilliams, AL
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, October and November (6mi).
The months with the lowest visibility are May, July, August, September and December (5mi).
McWilliams, Alabama, USA
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