December weather forecastCaldwell, WV

December

Weather in December

December, the first month of the winter in Caldwell, is also a wintry month, with an average temperature varying between 28.2°F (-2.1°C) and 41.5°F (5.3°C).

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 49.8°F (9.9°C) to a wintry 41.5°F (5.3°C). During December, Caldwell consistently records a temperature low averaging a freezing cold 28.2°F (-2.1°C).

Humidity

February and December, with an average relative humidity of 83%, are the most humid months in Caldwell, West Virginia.

Rainfall

In December, the rain falls for 12.8 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. In Caldwell, during the entire year, the rain falls for 189.8 days and collects up to 33.31" (846mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Caldwell. In Caldwell, West Virginia, in December, snow falls for 9.7 days, with typically accumulated 4.61" (117mm) of snow. In Caldwell, West Virginia, during the entire year, snow falls for 49.4 days and aggregates up to 24.8" (630mm) of snow.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Caldwell.
On the first day of the month, sunrise is at 7:18 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:12 pm EST.

Sunshine

In Caldwell, the average sunshine in December is 4.5h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Caldwell, West Virginia, during December is 41.5°F (5.3°C) and the low-temperature is 28.2°F (-2.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is estimated at 86°F (30°C).

The months with the highest humidity in Caldwell are February and December, with an average relative humidity of 83%.

The average relative humidity in December in Caldwell is 83%.

In Caldwell, during December, the rain falls for 12.8 days and regularly aggregates up to 3.07" (78mm) of precipitation.

In December, it is snowing for 9.7 days. Throughout December, 4.61" (117mm) of snow is accumulated.

The month with the shortest days in Caldwell, West Virginia, is December, with an average of 9h and 36min of daylight.

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

On the first day of December in Caldwell, sunrise is at 7:18 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:12 pm EST.

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

The months with the lowest UV index in Caldwell, West Virginia, are January through March, November and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Caldwell, West Virginia, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Caldwell, WV

  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 28.2°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Caldwell, 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
Caldwell, WV

  • Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Caldwell, WV

  • Average humidity in December: 83%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April, June, July, August and November (79%).

Average rainfall in December
Caldwell, WV

  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Caldwell, WV

  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is November (11.8 days).

Average snowfall in December
Caldwell, WV

  • Average snowfall in December: 4.61"

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Caldwell, WV

  • Average snowfall days in December: 9.7 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 36min

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 30min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Caldwell, WV

  • Average sunshine days in December: 11.1 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (7 days).

Average UV index in December
Caldwell, 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, November and December (UV index 2).

Average cloud cover in December
Caldwell, WV

  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 41).

Average visibility in December
Caldwell, WV

  • Average visibility in December: 4mi

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