December weather forecast
Slagle, WV

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Weather in December

The first month of the winter, December, is still a chilly month in Slagle, West Virginia, with an average temperature fluctuating between 32.7°F (0.4°C) and 45°F (7.2°C).

Temperature

Slagle, West Virginia, experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a fresh 53.2°F (11.8°C) in November to a chilly 45°F (7.2°C). An average low-temperature of 32.7°F (0.4°C) is observed during December nights in Slagle.

Humidity

In Slagle, the average relative humidity in December is 81%.

Rainfall

In Slagle, in December, during 13.7 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 181.3 rainfall days, and 34.37" (873mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 7.6 days. Throughout December, 3.58" (91mm) of snow is accumulated. In Slagle, during the entire year, snow falls for 38.9 days and aggregates up to 17.48" (444mm) of snow.

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 7:24 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:18 pm EST.

Sunshine

The average sunshine in December in Slagle is 4.3h.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What is the temperature in December?

An average high-temperature, in December, in Slagle, is 45°F (7.2°C) and the average low-temperature is 32.7°F (0.4°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How many days does it rain in December?

In December, the rain falls for 13.7 days. Throughout December, 3.23" (82mm) of precipitation is accumulated.

How much does it snow in December?

In Slagle, in December, during 7.6 snowfall days, 3.58" (91mm) of snow is typically accumulated.

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?

The average day length in December is 9h and 36min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:18 pm EST.

How many hours of sunshine does Slagle have in December?

The average sunshine duration in December is 4.3h.

When is 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 intensity in December in Slagle?

In December, the average daily maximum UV index in Slagle is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Slagle, WV

Average temperature in December - Slagle, WV
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in December
Slagle, WV

Average pressure in December - Slagle, WV
  • 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 (29.98"Hg).

Average wind speed in December
Slagle, WV

Average wind speed in December - Slagle, WV
  • Average wind speed in December: 6mph

The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Slagle, WV

Average humidity in December - Slagle, WV
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).

Average rainfall in December
Slagle, WV

Average rainfall in December - Slagle, WV
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Slagle, WV

Average rainfall days in December - Slagle, WV
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).

Average snowfall in December
Slagle, WV

Average snowfall in December - Slagle, WV
  • Average snowfall in December: 3.58"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Slagle, WV

Average snowfall days in December - Slagle, WV
  • Average snowfall days in December: 7.6 days

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Slagle, WV

Average daylight in December / Average sunshine in December - Slagle, WV
  • 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Slagle, WV

Average sunshine days in December - Slagle, WV
  • Average sunshine days in December: 11.5 days

The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in December
Slagle, WV

Average UV index in December - Slagle, WV
  • 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 and December (UV index 2).

Average cloud cover in December
Slagle, WV

Average cloud cover in December - Slagle, WV
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Slagle, WV

Average visibility in December - Slagle, WV
  • 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).

Slagle, West Virginia, USA

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