December weather forecast
Troy, WV

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Weather in December

December, the first month of the winter in Troy, is still a chilly month, with temperature in the range of an average high of 43°F (6.1°C) and an average low of 31.1°F (-0.5°C).

Temperature

Onset of December comes with a temperature decline, the average high falling from a cool 52°F (11.1°C) in November to a frosty 43°F (6.1°C). In December, Troy encounters an average low-temperature of 31.1°F (-0.5°C) during the night.

Humidity

In December, the average relative humidity in Troy is 82%.

Rainfall

In December, in Troy, the rain falls for 13.7 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. In Troy, West Virginia, during the entire year, the rain falls for 189.9 days and collects up to 38.19" (970mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, in Troy, it is snowing for 10.5 days. Throughout December, 3.98" (101mm) of snow is accumulated. In Troy, during the entire year, snow falls for 51.3 days and aggregates up to 21.93" (557mm) of snow.

Daylight

The month with the shortest days in Troy, West Virginia, is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:10 pm EST.

Sunshine

The average sunshine in December in Troy is 3.9h.

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 minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Troy in December?

The high-temperature in Troy during December is 43°F (6.1°C) and the low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in December in Troy?

In December, the average relative humidity in Troy, West Virginia, is 82%.

How many days does it rain in December in Troy?

In December, in Troy, West Virginia, the rain falls for 13.7 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

How much does it snow in Troy in December?

In Troy, during December, snow falls for 10.5 days and regularly aggregates up to 3.98" (101mm) of snow.

What is the month with the shortest days in Troy?

The month with the shortest days in Troy is December, with an average of 9h and 30min of daylight.

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

In December, the average day length is 9h and 29min.

When is the sunrise / sunset in December in Troy?

On the first day of December, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:10 pm EST.

How many hours of sunshine does Troy have in December?

In Troy, the average sunshine duration in December is 3.9h.

When is the lowest UV index in Troy?

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

What is the UV index intensity in December in Troy?

In December, the average daily maximum UV index in Troy is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Troy, WV

Average temperature in December - Troy, WV
  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Troy, WV

Average pressure in December - Troy, WV
  • Average pressure in December: 30.13"Hg

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

Average wind speed in December
Troy, WV

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

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Troy, WV

Average humidity in December - Troy, WV
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in December
Troy, WV

Average rainfall in December - Troy, WV
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Troy, WV

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

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is November (11.7 days).

Average snowfall in December
Troy, WV

Average snowfall in December - Troy, WV
  • Average snowfall in December: 3.98"

The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Troy, WV

Average snowfall days in December - Troy, WV
  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Troy, WV
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December
Troy, WV

Average sunshine days in December - Troy, WV
  • Average sunshine days in December: 10 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is January (7.9 days).

Average UV index in December
Troy, WV

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

Average cloud cover in December
Troy, WV

Average cloud cover in December - Troy, WV
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Troy, WV

Average visibility in December - Troy, WV
  • Average visibility in December: 5mi

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).

Troy, West Virginia, USA

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