December weather forecast
Alton, AL

Weather in December

December, the first month of the winter in Alton, is also a fresh month, with an average temperature ranging between min 39.4°F (4.1°C) and max 54.1°F (12.3°C).

Temperature

In December, the average high-temperature marginally drops from a comfortable 61.2°F (16.2°C) in November to a fresh 54.1°F (12.3°C). The average low-temperature, is 39.4°F (4.1°C).

Humidity

December is the most humid month, with an average relative humidity of 80%.

Rainfall

In Alton, during 10.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in Alton, Alabama, there are 149 rainfall days, and 19.88" (505mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Alton, in December, snow falls for 0.6 days, with typically accumulated 0.08" (2mm) of snow. In Alton, during the entire year, snow falls for 3 days and aggregates up to 0.43" (11mm) of snow.

Daylight

December has the shortest days of the year in Alton, with an average of 9h and 58min of daylight.
On the first day of December in Alton, sunrise is at 6:32 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:48 pm CST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Alton.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Alton. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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 most humid month in Alton?

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

What is the average humidity in December in Alton?

In Alton, Alabama, the average relative humidity in December is 80%.

How much does it rain in Alton in December?

In Alton, Alabama, in December, during 10.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How many days does it snow in December in Alton?

In Alton, in December, during 0.6 snowfall days, 0.08" (2mm) of snow is typically accumulated.

What is the month with the shortest days in Alton?

The month with the shortest days is December, with an average of 9h and 58min of daylight.

What is the average length of the day in December in Alton?

In Alton, the average day length in December is 9h and 58min.

When is the sunrise / sunset in December in Alton?

In December, on the first day of the month, sunrise is at 6:32 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:48 pm CST.

What is the month with the least sunshine in Alton?

The months with the least sunshine in Alton are February and December, with an average of 4.8h of sunshine.

How many hours of sunshine does Alton have in December?

In December, the average sunshine duration is 4.8h.

When is the lowest UV index in Alton?

December is the month with the lowest UV index in Alton, with an average maximum UV index of 2.

How high is the UV index in December in Alton?

In December, the average daily maximum UV index in Alton, Alabama, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Alton, AL

Average temperature in December - Alton, AL
  • Average high temperature in December: 54.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in December: 39.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in December
Alton, AL

Average pressure in December - Alton, 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).

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Average wind speed in December
Alton, AL

Average wind speed in December - Alton, AL
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

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Average humidity in December
Alton, AL

Average humidity in December - Alton, 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%).

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Average rainfall in December
Alton, AL

Average rainfall in December - Alton, AL
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.06").

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Average rainfall days in December
Alton, AL

Average rainfall days in December - Alton, AL
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in December
Alton, AL

Average snowfall in December - Alton, AL
  • Average snowfall in December: 0.08"

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

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Average snowfall days in December
Alton, AL

Average snowfall days in December - Alton, AL
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1 days).
The 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
Alton, AL

Average daylight in December / Average sunshine in December - Alton, AL
  • Average daylight in December: 9h and 58min

The month with the longest days is June (Average daylight: 14h and 21min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in December: 4h and 48min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Alton, AL

Average sunshine days in December - Alton, AL
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in December
Alton, AL

Average UV index in December - Alton, AL
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Alton, AL

Average cloud cover in December - Alton, AL
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in December
Alton, AL

Average visibility in December - Alton, 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).

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