December weather forecast and climate
Alphoretta, KY

The first month of the winter, December, is still a chilly month in Alphoretta, Kentucky, with average temperature ranging between min 33.1°F (0.6°C) and max 45.5°F (7.5°C).

Temperature

In Alphoretta, the average high-temperature drops, from a cool 54.5°F (12.5°C) in November, to a chilly 45.5°F (7.5°C). The average low-temperature, in December, is 33.1°F (0.6°C).

Humidity

In Alphoretta, the average relative humidity is 79%.

Rainfall

In Alphoretta, during 13.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Alphoretta, Kentucky, during the entire year, the rain falls for 181.8 days and collects up to 33.43" (849mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Alphoretta, during December, snow falls for 6.7 days and regularly aggregates up to 3.23" (82mm) of snow. Throughout the year, there are 35.7 snowfall days, and 14.09" (358mm) of snow is accumulated.

Daylight

The month with the shortest days in Alphoretta is December, with an average of 9.6h of daylight.

Sunshine

In Alphoretta, the average sunshine is 4.6h.

UV index

Months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for average 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Alphoretta?

In Alphoretta, in December, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 33.1°F (0.6°C).

What is the average humidity in December in Alphoretta?

The average relative humidity in December is 79%.

How much does it rain in Alphoretta in December?

In December, the rain falls for 13.5 days. Throughout December, 3.23" (82mm) of precipitation is accumulated.

How many days does it snow in December in Alphoretta?

In Alphoretta, in December, snow falls for 6.7 days, with typically accumulated 3.23" (82mm) of snow.

What is the month with the shortest days in Alphoretta?

The month with the shortest days in Alphoretta, Kentucky, is December, with an average of 9.6h of daylight.

How many hours of daylight does Alphoretta have in December?

In Alphoretta, Kentucky, the average length of the day in December is 9.6h.

How many hours of sunshine does Alphoretta have in December?

In Alphoretta, the average sunshine in December is 4.6h.

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

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Alphoretta.

What is the UV index intensity in December in Alphoretta?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Alphoretta, KY
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December - Alphoretta, KY
  • Average pressure in December: 30.14"

Months with the highest atmospheric pressure are January and November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in December - Alphoretta, KY
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December - Alphoretta, KY
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
Months with the lowest relative humidity are August and November (74%).

Average rainfall in December - Alphoretta, KY
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December - Alphoretta, KY
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in December - Alphoretta, KY
  • Average snowfall in December: 3.23"

The month with the highest snowfall is January (3.62").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December - Alphoretta, KY
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is January (11.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Alphoretta, KY
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 4.6h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.2h).

Average sunshine days in December - Alphoretta, KY
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in December - Alphoretta, KY
  • 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, February and December (UV index 2).

Average cloud cover in December - Alphoretta, KY
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December - Alphoretta, KY
  • Average visibility in December: 5mi

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