December weather forecast
Monitor, WV

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Weather in December

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

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 53.2°F (11.8°C) to a frosty 45°F (7.2°C). Monitor's nighttime temperature in December falls to an average of 32.7°F (0.4°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Monitor, West Virginia, in December, during 13.7 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Monitor, during the entire year, the rain falls for 181.3 days and collects up to 34.37" (873mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Monitor, West Virginia, in December, snow falls for 7.6 days, with typically accumulated 3.58" (91mm) of snow. In Monitor, West Virginia, during the entire year, snow falls for 38.9 days and aggregates up to 17.48" (444mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:25 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:19 pm EST.

Sunshine

In December, the average sunshine is 4.3h.

UV index

The months with the lowest UV index in Monitor are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

In Monitor, in December, the average high-temperature 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. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 95°F (35°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Monitor, during December, the rain falls for 13.7 days and regularly aggregates up to 3.23" (82mm) of precipitation.

How much does it snow in December?

In Monitor, West Virginia, in December, snow falls for 7.6 days, with typically accumulated 3.58" (91mm) of snow.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Monitor.

How many hours of daylight does Monitor have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:19 pm EST.

How long on average sun shines in December?

In Monitor, the average sunshine duration in December is 4.3h.

When is the lowest UV index?

The months with the lowest UV index are January, February and 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 of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Monitor, WV

Average temperature in December - Monitor, 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
Monitor, WV

Average pressure in December - Monitor, 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
Monitor, WV

Average wind speed in December - Monitor, 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
Monitor, WV

Average humidity in December - Monitor, 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
Monitor, WV

Average rainfall in December - Monitor, 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
Monitor, WV

Average rainfall days in December - Monitor, 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
Monitor, WV

Average snowfall in December - Monitor, 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
Monitor, WV

Average snowfall days in December - Monitor, 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
Monitor, WV

Average daylight in December / Average sunshine in December - Monitor, 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
Monitor, WV

Average sunshine days in December - Monitor, 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
Monitor, WV

Average UV index in December - Monitor, 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
Monitor, WV

Average cloud cover in December - Monitor, 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
Monitor, WV

Average visibility in December - Monitor, 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).

Monitor, West Virginia, USA

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