December weather forecast
Cornwell, KY

Share

Weather in December

December, the first month of the winter in Cornwell, is also a frosty month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 44.8°F (7.1°C).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a cool 53.6°F (12°C) to a frosty 44.8°F (7.1°C). In the month of December, an average of 32.9°F (0.5°C) marks the low-temperature in Cornwell, Kentucky.

Humidity

The months with the highest humidity in Cornwell are February and December, with an average relative humidity of 80%.

Rainfall

In Cornwell, during December, the rain falls for 13.6 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, in Cornwell, there are 174.3 rainfall days, and 34.33" (872mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Cornwell. In Cornwell, in December, during 6.9 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Cornwell, during the entire year, snow falls for 33.8 days and aggregates up to 11.69" (297mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December in Cornwell, sunrise is at 7:32 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:25 pm EST.

Sunshine

In December, the average sunshine 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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What is the average December temperature in Cornwell?

The high-temperature, in December, in Cornwell, records 44.8°F (7.1°C), while the low-temperature is 32.9°F (0.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 93.2°F (34°C).

What is the most humid month in Cornwell?

The months with the highest humidity in Cornwell are February and December, with an average relative humidity of 80%.

What is the average humidity in December in Cornwell?

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

How many days does it rain in December in Cornwell?

In Cornwell, in December, during 13.6 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

How much does it snow in Cornwell in December?

In Cornwell, in December, snow falls for 6.9 days, with typically accumulated 2.28" (58mm) of snow.

What is the month with the shortest days in Cornwell?

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

What is the average length of the day in December in Cornwell?

In Cornwell, Kentucky, the average day length in December is 9h and 35min.

When are sunrise and sunset in December in Cornwell?

In December, on the first day of the month, sunrise is at 7:32 am and sunset at 5:15 pm. On the last day of the month, in Cornwell, sunrise is at 7:50 am and sunset at 5:25 pm EST.

How long on average sun shines in December in Cornwell?

In Cornwell, the average sunshine duration in December is 4.3h.

When is the lowest UV index in Cornwell?

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

What is the UV index intensity in December in Cornwell?

In December, the average daily maximum UV index in Cornwell, Kentucky, is 2. A UV Index estimate 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
Cornwell, KY

Average temperature in December - Cornwell, KY
  • Average high temperature in December: 44.8°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.9°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 (26.1°F).

[Resources]

Average pressure in December
Cornwell, KY

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

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

[Resources]

Average wind speed in December
Cornwell, KY

Average wind speed in December - Cornwell, KY
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

[Resources]

Average humidity in December
Cornwell, KY

Average humidity in December - Cornwell, KY
  • Average humidity in December: 80%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).

[Resources]

Average rainfall in December
Cornwell, KY

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

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (2.09").

[Resources]

Average rainfall days in December
Cornwell, KY

Average rainfall days in December - Cornwell, KY
  • Average rainfall days in December: 13.6 days

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (11.2 days).

[Resources]

Average snowfall in December
Cornwell, KY

Average snowfall in December - Cornwell, KY
  • Average snowfall in December: 2.28"

The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in December
Cornwell, KY

Average snowfall days in December - Cornwell, KY
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

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 36min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

[Resources]

Average sunshine days in December
Cornwell, KY

Average sunshine days in December - Cornwell, KY
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.3 days).

[Resources]

Average UV index in December
Cornwell, KY

Average UV index in December - Cornwell, 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).

[Resources]

Average cloud cover in December
Cornwell, KY

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

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

[Resources]

Average visibility in December
Cornwell, KY

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

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

[Resources]

Cornwell, Kentucky, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location