December weather forecast and climate
Mount Vernon, AL

Weather in December

The first month of the winter, December, is still a comfortable month in Mount Vernon, Alabama, with average temperature fluctuating between 46.6°F (8.1°C) and 61.9°F (16.6°C).

Temperature

In December, the average high-temperature marginally drops, from a pleasant 68.2°F (20.1°C) in November, to an enjoyable 61.9°F (16.6°C). The average low-temperature, in December, is 46.6°F (8.1°C).

Humidity

The most humid month in Mount Vernon is December, with an average relative humidity of 80%.

Rainfall

In Mount Vernon, in December, it is raining for 11 days, with typically 2.95" (75mm) of accumulated precipitation. In Mount Vernon, during the entire year, the rain falls for 156.2 days and collects up to 33.35" (847mm) of precipitation.

Snowfall

In Mount Vernon snow does not fall in March through December.

Daylight

The month with the shortest days is December, with an average of 10.2h of daylight.

Sunshine

December has the least sunshine of the year in Mount Vernon, with an average of 5.2h of sunshine.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Mount Vernon?

In Mount Vernon, Alabama, in December, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 46.6°F (8.1°C).

What is the most humid month in Mount Vernon?

With an average relative humidity of 80%, December is the most humid month in Mount Vernon, Alabama.

What is the average humidity in December in Mount Vernon?

In Mount Vernon, the average relative humidity in December is 80%.

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

In Mount Vernon, during December, the rain falls for 11 days and regularly aggregates up to 2.95" (75mm) of precipitation.

Does it snow in Mount Vernon in December?

In Mount Vernon, Alabama, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Mount Vernon?

In Mount Vernon, Alabama, snow does not fall in March through December.

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

With an average of 10.2h of daylight, December has the shortest days of the year in Mount Vernon, Alabama.

How many hours of daylight does Mount Vernon have in December?

In Mount Vernon, the average length of the day in December is 10.2h.

What is the month with the least sunshine in Mount Vernon?

The month with the least sunshine is December, with an average of 5.2h of sunshine.

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

In December, the average sunshine is 5.2h.

What are the months with the lowest UV index in Mount Vernon?

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

What is the UV index intensity in December in Mount Vernon?

In Mount Vernon, Alabama, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Mount Vernon, AL

Average temperature in December - Mount Vernon, AL
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.5°F).

  • Average low temperature in December: 46.6°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

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Average pressure in December
Mount Vernon, AL

Average pressure in December - Mount Vernon, AL
  • Average pressure in December: 30.13"

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

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Average wind speed in December
Mount Vernon, AL

Average wind speed in December - Mount Vernon, AL
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in December
Mount Vernon, AL

Average humidity in December - Mount Vernon, 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 (71%).

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Average rainfall in December
Mount Vernon, AL

Average rainfall in December - Mount Vernon, AL
  • Average rainfall in December: 2.95"

The wettest months (with the highest rainfall) are July and August (4.57").
The driest month (with the least rainfall) is November (1.65").

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Average rainfall days in December
Mount Vernon, AL

Average rainfall days in December - Mount Vernon, AL
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in December
Mount Vernon, AL

Average snowfall in December - Mount Vernon, AL
  • Average snowfall in December: 0"

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

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Average snowfall days in December
Mount Vernon, AL

Average snowfall days in December - Mount Vernon, AL
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Mount Vernon, AL
  • Average daylight in December: 10.2h

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

  • Average sunshine in December: 5.2h

The month with the most sunshine is June (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 5.2h).

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Average sunshine days in December
Mount Vernon, AL

Average sunshine days in December - Mount Vernon, AL
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (6.1 days).

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Average UV index in December
Mount Vernon, AL

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

Months with the highest UV index are May, June, July and August (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 Vernon, AL

Average cloud cover in December - Mount Vernon, AL
  • Average cloud cover in December: 46

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in December
Mount Vernon, AL

Average visibility in December - Mount Vernon, AL
  • Average visibility in December: 5mi

Months with the highest visibility are January, March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are February and December (5mi).

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