December weather forecast and climate
Arley, AL

The first month of the winter, December, is also a fresh month in Arley, Alabama, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 53.8°F (12.1°C).

Temperature

In December, the average high-temperature slightly decreases, from a comfortable 61.3°F (16.3°C) in November, to a cool 53.8°F (12.1°C). The average low-temperature, in December, is 39.4°F (4.1°C).

Humidity

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

Rainfall

December is the month with the most rainfall in Arley. Rain falls for 14.5 days and accumulates 4.45" (113mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Arley, during 1.1 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Arley, during the entire year, snow falls for 5.4 days, and aggregates up to 1.42" (36mm) of snow.

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year in Arley, Alabama.

Sunshine

In Arley, Alabama, the average sunshine is 4.9h.

UV index

The month with the lowest UV index in Arley is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. 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.

What is the temperature in December in Arley?

In Arley, in December, the average high-temperature is 53.8°F (12.1°C), and the average low-temperature is 39.4°F (4.1°C).

What is the most humid month in Arley?

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

What is the average humidity in December in Arley?

The average relative humidity in December is 80%.

How much does it rain in Arley in December?

In Arley, in December, during 14.5 rainfall days, 4.45" (113mm) of precipitation is typically accumulated.

What is the wettest month in Arley?

The month with the most rainfall is December when the rain falls for 14.5 days and typically aggregates up to 4.45" (113mm) of precipitation.

How many days does it snow in December in Arley?

In December, in Arley, Alabama, it is snowing for 1.1 days. Throughout December, 0.24" (6mm) of snow is accumulated.

What is the month with the shortest days in Arley?

The month with the shortest days is December, with an average of 9.9h of daylight.

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

The average length of the day in December in Arley, Alabama, is 9.9h.

How many hours of sunshine does Arley have in December?

The average sunshine in December in Arley, Alabama, is 4.9h.

When is the lowest UV index in Arley?

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

What is the UV index intensity in December in Arley?

The average daily maximum UV index in December in Arley, Alabama, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in December - Arley, AL
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50.4°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 (34.7°F).

Average pressure in December - Arley, AL
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.97").

Average wind speed in December - Arley, AL
  • Average wind speed in December: 6.8mph

The windiest months (with the highest average wind speed) are February, March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December - Arley, 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%).

Average rainfall in December - Arley, AL
  • Average rainfall in December: 4.45"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is November (2.48").

Average rainfall days in December - Arley, AL
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in December - Arley, AL
  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.75").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December - Arley, AL
  • Average snowfall days in December: 1.1 days

Months with the highest number of snowfall days are January and February (1.6 days).
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 - Arley, 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

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

Average sunshine days in December - Arley, AL
  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (7.3 days).

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).

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

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