December weather forecast
Ryle, KY

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Weather in December

The first month of the winter, December, is still a cold month in Ryle, Kentucky, with an average temperature fluctuating between 31.1°F (-0.5°C) and 42.4°F (5.8°C).

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a cool 51.8°F (11°C) in November to a wintry 42.4°F (5.8°C). Throughout the month of December, Ryle witnesses an average low-temperature of 31.1°F (-0.5°C).

Humidity

The months with the highest humidity in Ryle are February and December, with an average relative humidity of 81%.

Rainfall

In Ryle, during December, the rain falls for 8.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 121.2 rainfall days, and 10.87" (276mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 4.8 days and accumulates 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:38 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:27 pm EST.

Sunshine

The average sunshine in December is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold does it get in December?

December temperatures vary between a high-temperature of 42.4°F (5.8°C) and a low-temperature of 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 93.2°F (34°C).

What is the most humid month?

The months with the highest humidity are February and December, with an average relative humidity of 81%.

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In December, the rain falls for 8.9 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 4.8 days and accumulates 0.47" (12mm) of snow.

How much does it snow in December?

In December, it is snowing for 4.8 days. Throughout December, 0.47" (12mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Ryle have in December?

In December, the average day length in Ryle is 9h and 30min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:38 am and sunset at 5:17 pm. On the last day of the month, in Ryle, sunrise is at 7:57 am and sunset at 5:27 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.3h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December in Ryle?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Ryle, KY

Average temperature in December - Ryle, KY
  • Average high temperature in December: 42.4°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Ryle, KY

Average pressure in December - Ryle, KY
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Ryle, KY

Average wind speed in December - Ryle, KY
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Ryle, KY

Average humidity in December - Ryle, KY
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).

Average rainfall in December
Ryle, KY

Average rainfall in December - Ryle, KY
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in December
Ryle, KY

Average rainfall days in December - Ryle, KY
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in December
Ryle, KY

Average snowfall in December - Ryle, KY
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Ryle, KY

Average snowfall days in December - Ryle, KY
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Ryle, KY
  • Average daylight in December: 9h and 3min

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 2min

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

Average sunshine days in December
Ryle, KY

Average sunshine days in December - Ryle, KY
  • Average sunshine days in December: 18.6 days

The months with the most sunshine days are October and November (21 days).
The month with the least sunshine days is May (13.6 days).

Average UV index in December
Ryle, KY

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

The months with the highest UV index are 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
Ryle, KY

Average cloud cover in December - Ryle, KY
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Ryle, KY

Average visibility in December - Ryle, KY
  • Average visibility in December: 6mi

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

Ryle, Kentucky, USA

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