December weather forecast
McDowell, KY

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Weather in December

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

Temperature

With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 54.5°F (12.5°C) in November to a chilly 45.9°F (7.7°C). McDowell, in December, witnesses an average low-temperature of 33.3°F (0.7°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

In McDowell, Kentucky, in December, it is raining for 13.2 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, 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 McDowell, during December, snow falls for 6.8 days and regularly aggregates up to 2.87" (73mm) of snow. Throughout the year, in McDowell, there are 36.4 snowfall days, and 15.24" (387mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, 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

The average sunshine in December is 4.5h.

UV index

January, February 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 low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

What is the usual temperature for McDowell in December?

In December, in McDowell, the average high-temperature is 45.9°F (7.7°C), and the average low-temperature is 33.3°F (0.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in McDowell in December?

In McDowell, during December, the rain falls for 13.2 days and regularly aggregates up to 3.35" (85mm) of precipitation.

How much does it snow in December?

In McDowell, 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.

What is the average length of the day in December?

In McDowell, the average day length in December is 9h and 38min.

When is the sunrise / sunset in December?

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 McDowell have in December?

In December, the average sunshine duration in McDowell is 4.5h.

What is the month with the lowest UV index?

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 McDowell, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
McDowell, KY

Average temperature in December - McDowell, 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
McDowell, KY

Average pressure in December - McDowell, 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
McDowell, KY

Average wind speed in December - McDowell, 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
McDowell, KY

Average humidity in December - McDowell, 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
McDowell, KY

Average rainfall in December - McDowell, 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
McDowell, KY

Average rainfall days in December - McDowell, 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
McDowell, KY

Average snowfall in December - McDowell, 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
McDowell, KY

Average snowfall days in December - McDowell, 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
McDowell, KY

Average daylight in December / Average sunshine in December - McDowell, 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
McDowell, KY

Average sunshine days in December - McDowell, 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
McDowell, KY

Average UV index in December - McDowell, 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
McDowell, KY

Average cloud cover in December - McDowell, 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
McDowell, KY

Average visibility in December - McDowell, 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).

McDowell, Kentucky, USA

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