December weather forecast and climate
Crewsville, AL

The first month of the winter, December, is also a moderate month in Crewsville, Alabama, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 40.6°F (4.8°C).

Temperature

In December, the average high-temperature slightly decreases, from a comfortable 62.2°F (16.8°C) in November, to a moderate 55.4°F (13°C). The average low-temperature, in Crewsville, is 40.6°F (4.8°C).

Humidity

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

Rainfall

In Crewsville, during December, the rain falls for 14.3 days and regularly aggregates up to 3.86" (98mm) of precipitation. Throughout the year, there are 173.8 rainfall days, and 39.96" (1015mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. Months with the most snowfall in Crewsville are January and December, with an average 0.43" (11mm) of accumulated snow.

Daylight

December has the shortest days of the year, with an average of 10h of daylight.

Sunshine

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

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Crewsville?

In December, in Crewsville, the average high-temperature is 55.4°F (13°C), and the average low-temperature is 40.6°F (4.8°C).

What is the most humid month in Crewsville?

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

What is the average humidity in December in Crewsville?

The average relative humidity in December in Crewsville is 80%.

How much does it rain in Crewsville in December?

In Crewsville, in December, it is raining for 14.3 days, with typically 3.86" (98mm) of accumulated precipitation.

How much does it snow in Crewsville in December?

In Crewsville, Alabama, in December, snow falls for 0.5 days, with typically accumulated 0.43" (11mm) of snow.

When does it snow the most in Crewsville?

Months with the most snowfall in Crewsville are January and December, with an average 0.43" (11mm) of accumulated snow.

What is the month with the shortest days in Crewsville?

December has the shortest days of the year in Crewsville, with an average of 10h of daylight.

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

The average length of the day in December is 10h.

How long on average sun shines in December in Crewsville?

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

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

Months with the lowest UV index in Crewsville are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Crewsville?

The average daily maximum UV index in December in Crewsville is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Crewsville, AL
  • Average high temperature in December: 55.4°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in December: 40.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in December - Crewsville, 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 (29.98").

Average wind speed in December - Crewsville, AL
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in December - Crewsville, 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%).

Average rainfall in December - Crewsville, AL
  • Average rainfall in December: 3.86"

The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is October (2.01").

Average rainfall days in December - Crewsville, AL
  • Average rainfall days in December: 14.3 days

Months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (8 days).

Average snowfall in December - Crewsville, AL
  • Average snowfall in December: 0.43"

Months with the highest snowfall are January and December (0.43").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December - Crewsville, AL
  • Average snowfall days in December: 0.5 days

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

Average daylight in December / Average sunshine in December - Crewsville, AL
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in December - Crewsville, AL
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in December - Crewsville, AL
  • Average UV index in December: 3

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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

Months with the most cloud cover are February and December (Cloud cover 48).
Months with the least cloud cover are September and October (Cloud cover 32).

Average visibility in December - Crewsville, AL
  • Average visibility in December: 6mi

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