December weather forecast
Dema, KY

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Weather in December

December, the first month of the winter in Dema, is still a chilly month, with an average temperature ranging between max 45.9°F (7.7°C) and min 33.3°F (0.7°C).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a fresh 54.5°F (12.5°C) in November to a frosty 45.9°F (7.7°C). Dema's December nights cool down to an average low-temperature of 33.3°F (0.7°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

In Dema, during December, the rain falls for 13.2 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, in Dema, there are 181.3 rainfall days, and 34.02" (864mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Dema, in December, during 6.8 snowfall days, 2.87" (73mm) of snow is typically accumulated. Throughout the year, there are 36.4 snowfall days, and 15.24" (387mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Dema, sunrise is at 7:27 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:23 pm EST.

Sunshine

In Dema, the average sunshine in December is 4.5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In December, a daily UV index of 2 turns 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 radiation is especially intense around midday; try to stay in shade during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

What are December temperatures?

Dema in December has an average high-temperature of 45.9°F (7.7°C) and an average low-temperature of 33.3°F (0.7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 95°F (35°C).

What is the average humidity in December?

In Dema, the average relative humidity in December is 79%.

How much does it rain in December?

In Dema, in December, during 13.2 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

How much does it snow in December?

In Dema, during December, snow falls for 6.8 days and regularly aggregates up to 2.87" (73mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Dema have in December?

The average day length in December is 9h and 38min.

When are sunrise and sunset in December in Dema?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:23 pm EST.

How many hours of sunshine does Dema have in December?

The average sunshine duration in December is 4.5h.

When is the lowest UV index in Dema?

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

What is the UV index reading in December?

In Dema, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dema, KY

Average temperature in December - Dema, KY
  • Average high temperature in December: 45.9°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Dema, KY

Average pressure in December - Dema, KY
  • Average pressure in December: 30.14"Hg

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

Average wind speed in December
Dema, KY

Average wind speed in December - Dema, KY
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Dema, KY

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

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

Average rainfall in December
Dema, KY

Average rainfall in December - Dema, KY
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Dema, KY

Average rainfall days in December - Dema, KY
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in December
Dema, KY

Average snowfall in December - Dema, KY
  • Average snowfall in December: 2.87"

The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Dema, KY

Average snowfall days in December - Dema, KY
  • Average snowfall days in December: 6.8 days

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Dema, KY
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Dema, KY

Average sunshine days in December - Dema, KY
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in December
Dema, KY

Average UV index in December - Dema, KY
  • Average UV index in December: 2

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

Average cloud cover in December
Dema, KY

Average cloud cover in December - Dema, KY
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Dema, KY

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

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

Dema, Kentucky, USA

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