December weather forecast and climate
Mount Sinai, AL

Weather in December

December, the first month of the winter, in Mount Sinai, is still a mild month, with average temperature varying between 57.7°F (14.3°C) and 42.4°F (5.8°C).

Temperature

In December, the average high-temperature slightly decreases, from an enjoyable 64.4°F (18°C) in November, to a mild 57.7°F (14.3°C). The average low-temperature, in December, is 42.4°F (5.8°C).

Humidity

With an average relative humidity of 79%, December is the most humid month in Mount Sinai.

Rainfall

The month with the most rainfall is December when the rain falls for 13.2 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

Months with snowfall in Mount Sinai are January through March and December. December is the first month it typically snows in Mount Sinai, Alabama. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Mount Sinai, during the entire year, snow falls for 1.3 days, and aggregates up to 0.43" (11mm) of snow.

Daylight

With an average of 10.1h of daylight, December has the shortest days of the year.

Sunshine

In Mount Sinai, Alabama, the average sunshine in December is 4.9h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Mount Sinai?

In December, in Mount Sinai, the average high-temperature is 57.7°F (14.3°C), and the average low-temperature is 42.4°F (5.8°C).

What is the most humid month in Mount Sinai?

December is the most humid month in Mount Sinai, Alabama, with an average relative humidity of 79%.

What is the average humidity in December in Mount Sinai?

In Mount Sinai, the average relative humidity in December is 79%.

How many days does it rain in December in Mount Sinai?

In December, in Mount Sinai, the rain falls for 13.2 days. Throughout December, 4.02" (102mm) of precipitation is accumulated.

What is the wettest month in Mount Sinai?

December is the month with the most rainfall in Mount Sinai. Rain falls for 13.2 days and accumulates 4.02" (102mm) of precipitation.

When does it start to snow in Mount Sinai?

December is the first month it typically snows in Mount Sinai, Alabama. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Mount Sinai?

With an average of 10.1h of daylight, December has the shortest days of the year in Mount Sinai, Alabama.

What is the average length of the day in December in Mount Sinai?

The average length of the day in December in Mount Sinai, Alabama, is 10.1h.

How long on average sun shines in December in Mount Sinai?

In Mount Sinai, Alabama, the average sunshine in December is 4.9h.

What is the month with the lowest UV index in Mount Sinai?

Months with the lowest UV index in Mount Sinai are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Mount Sinai?

In December, the average daily maximum UV index in Mount Sinai is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Mount Sinai, AL

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).

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Average pressure in December
Mount Sinai, AL

Average pressure in December - Mount Sinai, AL
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.97").

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Average wind speed in December
Mount Sinai, AL

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).

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Average humidity in December
Mount Sinai, AL

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%).

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Average rainfall in December
Mount Sinai, AL

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").

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Average rainfall days in December
Mount Sinai, AL

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).

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Average snowfall in December
Mount Sinai, AL

Average snowfall in December - Mount Sinai, AL
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.2").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Mount Sinai, AL

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).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Mount Sinai, AL

Average daylight in December / Average sunshine in December - Mount Sinai, AL
  • Average daylight in December: 10.1h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in December
Mount Sinai, AL

Average sunshine days in December - Mount Sinai, AL
  • Average sunshine days in December: 15.9 days

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).

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Average UV index in December
Mount Sinai, AL

Average UV index in December - Mount Sinai, AL
  • Average UV index in December: 3

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Mount Sinai, AL

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).

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Average visibility in December
Mount Sinai, AL

Average visibility in December - Mount Sinai, AL
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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