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 arrival of December is marked by a minor reduction in average high-temperature, sliding from a mild 60.3°F (15.7°C) in November to a fresh 52.5°F (11.4°C). During December, Cornwall Furnace sees a mean low-temperature of 38.3°F (3.5°C).Humidity
December is the most humid month in Cornwall Furnace, with an average relative humidity of 80%.Rainfall
The wettest months are February and December, with an average 4.06" (103mm) of rainfall.Snowfall
January through March, November and December are months with snowfall. In Cornwall Furnace, Alabama, in December, snow falls for 0.7 days, with typically accumulated 0.47" (12mm) of snow. In Cornwall Furnace, during the entire year, snow falls for 4.5 days and aggregates up to 2.05" (52mm) 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 December in Cornwall Furnace, sunrise is at 6:30 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:43 pm CST.
Sunshine
In Cornwall Furnace, the average sunshine in December is 4.9h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in December in Cornwall Furnace?
What is the most humid month in Cornwall Furnace?
What is the average humidity in December in Cornwall Furnace?
What is the rainiest month in Cornwall Furnace?
How many days does it rain in December in Cornwall Furnace?
How many days does it snow in December in Cornwall Furnace?
What is the month with the shortest days in Cornwall Furnace?
How many hours of daylight does Cornwall Furnace have in December?
When is the sunrise / sunset in December in Cornwall Furnace?
How many hours of sunshine does Cornwall Furnace have in December?
When is the lowest UV index in Cornwall Furnace?
How high is the UV index in December in Cornwall Furnace?
Average temperature in December
Cornwall Furnace, AL
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Cornwall Furnace, 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 (29.98"Hg).
Average wind speed in December
Cornwall Furnace, AL
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Cornwall Furnace, 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 (74%).
Average rainfall in December
Cornwall Furnace, AL
- Average rainfall in December: 4.06"
The wettest months (with the highest rainfall) are February and December (4.06").
The driest month (with the least rainfall) is October (2.56").
Average rainfall days in December
Cornwall Furnace, AL
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Cornwall Furnace, AL
- Average snowfall in December: 0.47"
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
Cornwall Furnace, AL
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.4 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
Cornwall Furnace, 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Cornwall Furnace, AL
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (8 days).
Average UV index in December
Cornwall Furnace, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Cornwall Furnace, AL
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Cornwall Furnace, AL
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Cornwall Furnace, Alabama, USA
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