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 is accompanied by a slight temperature decrease, with the average high-temperature shifting from a comfortable 61.9°F (16.6°C) in November to a cool 55.2°F (12.9°C). Nighttime temperatures in December average to a wintry 40.3°F (4.6°C).Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Napoleon, in December, during 14 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. In Napoleon, during the entire year, the rain falls for 181.7 days and collects up to 39.06" (992mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. In Napoleon, during the entire year, snow falls for 3.5 days and aggregates up to 1.18" (30mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December in Napoleon, sunrise is at 6:27 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 4:44 pm CST.
Sunshine
February and December, with an average of 5h of sunshine, are months with the least sunshine in Napoleon.UV index
January, February, November 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 threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 3 in December translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Napoleon in December?
What is the most humid month in Napoleon?
What is the average humidity in December in Napoleon?
How much does it rain in Napoleon in December?
When does it start snowing in Napoleon?
What is the month with the shortest days in Napoleon?
How many hours of daylight does Napoleon have in December?
What time are sunrise and sunset in December in Napoleon?
What is the month with the least sunshine in Napoleon?
How many hours of sunshine does Napoleon have in December?
What are the months with the lowest UV index in Napoleon?
What is the UV index intensity in December in Napoleon?
Average temperature in December
Napoleon, AL
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Napoleon, 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
Napoleon, AL
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in December
Napoleon, 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
Napoleon, AL
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (1.93").
Average rainfall days in December
Napoleon, AL
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Napoleon, AL
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Napoleon, AL
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.3 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
Napoleon, 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: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Napoleon, AL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Napoleon, AL
- Average UV index in December: 3
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, February, November and December (UV index 3).
Average cloud cover in December
Napoleon, AL
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Napoleon, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Napoleon, Alabama, USA
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