December weather forecast
Rowlesburg, WV

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Weather in December

The first month of the winter, December, is also a wintry month in Rowlesburg, West Virginia, with an average temperature fluctuating between 39.4°F (4.1°C) and 27.7°F (-2.4°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's chilly 48°F (8.9°C) to an icy 39.4°F (4.1°C). Rowlesburg temperatures generally rest at a low of 27.7°F (-2.4°C) during the December nights.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Rowlesburg, during December, the rain falls for 13.4 days and regularly aggregates up to 3.62" (92mm) of precipitation. Throughout the year, in Rowlesburg, there are 191.6 rainfall days, and 37.99" (965mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Rowlesburg, during December, snow falls for 14.6 days and regularly aggregates up to 8.74" (222mm) of snow. In Rowlesburg, during the entire year, snow falls for 71.1 days and aggregates up to 43.5" (1105mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:38 am and sunset at 5:05 pm EST.

Sunshine

The average sunshine in December is 3.6h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Rowlesburg, is 39.4°F (4.1°C), while the low-temperature averages to 27.7°F (-2.4°C).

What is the average humidity in December?

In December, the average relative humidity is 85%.

How much does it rain in December?

In Rowlesburg, during December, the rain falls for 13.4 days and regularly aggregates up to 3.62" (92mm) of precipitation.

How many days does it snow in December?

In Rowlesburg, during December, snow falls for 14.6 days and regularly aggregates up to 8.74" (222mm) of snow.

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 Rowlesburg have in December?

The average day length in December is 9h and 27min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:20 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:05 pm EST.

How long on average sun shines in December in Rowlesburg?

The average sunshine duration in December is 3.6h.

What is the month with the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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
Rowlesburg, WV

Average temperature in December - Rowlesburg, WV
  • Average high temperature in December: 39.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in December
Rowlesburg, WV

Average pressure in December - Rowlesburg, WV
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Rowlesburg, WV

Average wind speed in December - Rowlesburg, WV
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Rowlesburg, WV

Average humidity in December - Rowlesburg, WV
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are June, July, August and November (79%).

Average rainfall in December
Rowlesburg, WV

Average rainfall in December - Rowlesburg, WV
  • Average rainfall in December: 3.62"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in December
Rowlesburg, WV

Average rainfall days in December - Rowlesburg, WV
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in December
Rowlesburg, WV

Average snowfall in December - Rowlesburg, WV
  • Average snowfall in December: 8.74"

The month with the highest snowfall is February (9.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Rowlesburg, WV

Average snowfall days in December - Rowlesburg, WV
  • Average snowfall days in December: 14.6 days

The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Rowlesburg, 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 4min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Rowlesburg, WV

Average sunshine days in December - Rowlesburg, WV
  • Average sunshine days in December: 8.4 days

The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is January (6 days).

Average UV index in December
Rowlesburg, WV

Average UV index in December - Rowlesburg, WV
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Rowlesburg, WV

Average cloud cover in December - Rowlesburg, WV
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in December
Rowlesburg, WV

Average visibility in December - Rowlesburg, WV
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).

Rowlesburg, West Virginia, USA

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