December weather forecastEmerson, KY

December

Weather in December

December, the first month of the winter in Emerson, is also a frosty month, with an average temperature varying between 43.7°F (6.5°C) and 32°F (0°C).

Temperature

The average high-temperature drops in December, from November's fresh 52.9°F (11.6°C) to a chilly 43.7°F (6.5°C). December brings Emerson a consistent average low-temperature of 32°F (0°C).

Humidity

The average relative humidity in December is 80%.

Rainfall

The month with the most rainfall in Emerson is December, when the rain falls for 12.7 days and typically aggregates up to 3.15" (80mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Emerson, in December, during 7.2 snowfall days, 2.17" (55mm) of snow is typically accumulated. Throughout the year, in Emerson, there are 35.9 snowfall days, and 11.93" (303mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Emerson.
On the first day of December, sunrise is at 7:31 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:22 pm EST.

Sunshine

The average sunshine in December is 4.2h.

UV index

The months with the lowest UV index in Emerson are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Enhance your sun protection with tightly woven, yet airy clothing. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During December, Emerson experiences an average high-temperature of 43.7°F (6.5°C) and a low-temperature of 32°F (0°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 95°F (35°C).

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

December is the month with the most rainfall. Rain falls for 12.7 days and accumulates 3.15" (80mm) of precipitation.

In Emerson, Kentucky, in December, during 12.7 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

In December, in Emerson, Kentucky, it is snowing for 7.2 days. Throughout December, 2.17" (55mm) of snow is accumulated.

The month with the shortest days in Emerson, Kentucky, is December, with an average of 9h and 30min of daylight.

In Emerson, Kentucky, the average day length in December is 9h and 33min.

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:12 pm. On the last day of the month, in Emerson, sunrise is at 7:49 am and sunset at 5:22 pm EST.

In Emerson, the average sunshine duration in December is 4.2h.

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

The average daily maximum UV index in December in Emerson, Kentucky, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Emerson, KY

  • Average high temperature in December: 43.7°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 (38.7°F).

  • Average low temperature in December: 32°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in December
Emerson, KY

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Emerson, KY

  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Emerson, KY

  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Emerson, KY

  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Emerson, KY

  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is November (10.6 days).

Average snowfall in December
Emerson, KY

  • Average snowfall in December: 2.17"

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Emerson, KY

  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Emerson, KY

  • Average daylight in December: 9h and 30min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 12min

The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Emerson, KY

  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in December
Emerson, KY

  • Average UV index in December: 2

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

Average cloud cover in December
Emerson, KY

  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Emerson, KY

  • Average visibility in December: 5mi

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