December weather forecast and climate
Powell, AL

Weather in December

The first month of the winter, December, is also a fresh month in Powell, Alabama, with average temperature varying between 38.1°F (3.4°C) and 52.5°F (11.4°C).

Temperature

In December, the average high-temperature marginally drops, from a moderate 59.5°F (15.3°C) in November, to a cool 52.5°F (11.4°C). In Powell, the average low-temperature is 38.1°F (3.4°C).

Humidity

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

Rainfall

The wettest months in Powell are February and December, with an average 4.49" (114mm) of rainfall.

Snowfall

Months with snowfall are January through March, November and December. In Powell, in December, snow falls for 0.9 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, in Powell, there are 4.7 snowfall days, and 1.85" (47mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Powell, with an average of 9.9h of daylight.

Sunshine

The average sunshine in Powell is 4.9h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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. 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 Powell?

In December, the average high-temperature is 52.5°F (11.4°C), and the average low-temperature is 38.1°F (3.4°C).

What is the most humid month in Powell?

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

What is the average humidity in December in Powell?

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

How many days does it rain in December in Powell?

In Powell, Alabama, in December, during 14.2 rainfall days, 4.49" (114mm) of precipitation is typically accumulated.

What is the rainiest month in Powell?

Months with the most rainfall are February and December, with an average 4.49" (114mm) of precipitation.

How many days does it snow in December in Powell?

In Powell, Alabama, in December, snow falls for 0.9 days, with typically accumulated 0.35" (9mm) of snow.

What is the month with the shortest days in Powell?

December has the shortest days of the year in Powell, with an average of 9.9h of daylight.

How many hours of daylight does Powell have in December?

In Powell, the average length of the day in December is 9.9h.

How long on average sun shines in December in Powell?

In Powell, the average sunshine in December is 4.9h.

What are the months with the lowest UV index in Powell?

Months with the lowest UV index in Powell are January and December, with an average maximum UV index of 2.

What is the UV index reading in December in Powell?

In Powell, Alabama, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.

Average temperature in December
Powell, AL

Average temperature in December - Powell, AL
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 38.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in December
Powell, AL

Average pressure in December - Powell, AL
  • Average pressure in December: 30.15"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in December
Powell, AL

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

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

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Average humidity in December
Powell, AL

Average humidity in December - Powell, 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 (74%).

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Average rainfall in December
Powell, AL

Average rainfall in December - Powell, AL
  • Average rainfall in December: 4.49"

The wettest months (with the highest rainfall) are February and December (4.49").
The driest month (with the least rainfall) is October (2.64").

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Average rainfall days in December
Powell, AL

Average rainfall days in December - Powell, AL
  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (10.1 days).

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Average snowfall in December
Powell, AL

Average snowfall in December - Powell, AL
  • Average snowfall in December: 0.35"

The month with the highest snowfall is February (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Powell, AL

Average snowfall days in December - Powell, AL
  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (1.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Powell, AL

Average daylight in December / Average sunshine in December - Powell, AL
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in December
Powell, AL

Average sunshine days in December - Powell, AL
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (7.3 days).

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Average UV index in December
Powell, AL

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Powell, AL

Average cloud cover in December - Powell, AL
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in December
Powell, AL

Average visibility in December - Powell, AL
  • Average visibility in December: 5mi

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

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