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
A moderate decline in average high-temperatures is noted in December, moving from a comfortable 64.4°F (18°C) in November to a mild 57.7°F (14.3°C). Mount Sinai's temperature tends to fall to an average low of 42.4°F (5.8°C) during the nights of December.Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
December is the month with the most rainfall in Mount Sinai. Rain falls for 13.2 days and accumulates 4.02" (102mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Mount Sinai. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.3 snowfall days, and 0.43" (11mm) of snow is accumulated.Daylight
December has the shortest days of the year in Mount Sinai, with an average of 10h and 6min of daylight.On the first day of December in Mount Sinai, sunrise is at 6:29 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 4:51 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What are December temperatures in Mount Sinai?
What is the most humid month in Mount Sinai?
What is the average humidity in December in Mount Sinai?
What is the wettest month in Mount Sinai?
How much does it rain in Mount Sinai in December?
When does it start to snow in Mount Sinai?
What is the month with the shortest days in Mount Sinai?
What is the average length of the day in December in Mount Sinai?
What time are sunrise and sunset in December in Mount Sinai?
How long on average sun shines in December in Mount Sinai?
What is the month with the lowest UV index in Mount Sinai?
What is the UV index intensity in December in Mount Sinai?
Average temperature in December
Mount Sinai, AL
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in December: 42.4°F
The month with the highest average low temperature is August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in December
Mount Sinai, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Mount Sinai, AL
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Mount Sinai, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Mount Sinai, AL
- Average rainfall in December: 4.02"
The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in December
Mount Sinai, AL
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Mount Sinai, AL
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mount Sinai, AL
- Average snowfall days in December: 0.1 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
Mount Sinai, 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: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Mount Sinai, AL
- Average sunshine days in December: 15.9 days
The months with the most sunshine days are October and November (20.2 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Mount Sinai, AL
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Mount Sinai, AL
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Mount Sinai, 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).
Mount Sinai, Alabama, USA
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