December weather forecast and climate
Erin, AL

The first month of the winter, December, is still a cool month in Erin, Alabama, with average temperature varying between 39.9°F (4.4°C) and 54.5°F (12.5°C).

Temperature

In Erin, the average high-temperature slightly decreases, from an enjoyable 61.7°F (16.5°C) in November, to a fresh 54.5°F (12.5°C). In December, the average low-temperature is 39.9°F (4.4°C).

Humidity

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

Rainfall

In Erin, during 13.8 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Erin, during the entire year, the rain falls for 184.6 days and collects up to 42.6" (1082mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the month with the most snowfall. Snow falls for 0.7 days and accumulates 0.67" (17mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h of daylight.

Sunshine

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Erin, Alabama.

UV index

Months with the lowest UV index in Erin are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Erin?

In December, in Erin, the average high-temperature is 54.5°F (12.5°C), and the average low-temperature is 39.9°F (4.4°C).

What is the most humid month in Erin?

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

What is the average humidity in December in Erin?

In December, the average relative humidity is 80%.

How much does it rain in Erin in December?

In December, in Erin, Alabama, the rain falls for 13.8 days. Throughout December, 3.9" (99mm) of precipitation is accumulated.

When does it start snowing in Erin?

December is the first month it typically snows. Throughout December, in the average 0.7 snowfall days, it receives 0.67" (17mm) of snow.

When does it snow the most in Erin?

December is the month with the most snowfall in Erin, Alabama. Snow falls for 0.7 days and accumulates 0.67" (17mm) of snow.

What is the month with the shortest days in Erin?

The month with the shortest days in Erin, Alabama, is December, with an average of 10h of daylight.

How many hours of daylight does Erin have in December?

In December, the average length of the day is 10h.

What is the month with the least sunshine in Erin?

Months with the least sunshine in Erin are February and December, with an average of 4.9h of sunshine.

How many hours of sunshine does Erin have in December?

The average sunshine in December in Erin is 4.9h.

When is the lowest UV index in Erin?

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

How high is the UV index in December in Erin?

In Erin, 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 - Erin, AL
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in December: 39.9°F

Months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in December - Erin, 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").

Average wind speed in December - Erin, AL
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in December - Erin, 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 (73%).

Average rainfall in December - Erin, AL
  • Average rainfall in December: 3.9"

The wettest month (with the highest rainfall) is August (4.37").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in December - Erin, AL
  • Average rainfall days in December: 13.8 days

The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in December - Erin, AL
  • Average snowfall in December: 0.67"

The month with the highest snowfall is December (0.67").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December - Erin, AL
  • Average snowfall days in December: 0.7 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 - Erin, 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: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

Average sunshine days in December - Erin, AL
  • Average sunshine days in December: 15.3 days

Months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (5.6 days).

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in December - Erin, 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).