December weather forecast
Simon, WV

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Weather in December

December, the first month of the winter in Simon, is still a chilly month, with an average temperature ranging between min 31.1°F (-0.5°C) and max 43.5°F (6.4°C).

Temperature

Simon in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 51.8°F (11°C) to a frosty 43.5°F (6.4°C). During December, the average low-temperature is recorded at a subzero cold 31.1°F (-0.5°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 9.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Simon, West Virginia, during the entire year, the rain falls for 135.9 days and collects up to 16.46" (418mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Simon, during December, snow falls for 5.4 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, there are 30.3 snowfall days, and 8.66" (220mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:18 pm EST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The average high-temperature, in December, in Simon, is 43.5°F (6.4°C), while the average low-temperature is 31.1°F (-0.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 89.6°F (32°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 Simon, in December, during 9.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How much does it snow in December?

In Simon, in December, snow falls for 5.4 days, with typically accumulated 2.05" (52mm) 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.

What is the average length of the day in December?

In Simon, the average day length in December is 9h and 37min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:18 pm EST.

How many hours of sunshine does Simon have in December?

In December, the average sunshine duration is 4.5h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In Simon, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Simon, WV

Average temperature in December - Simon, WV
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

Average pressure in December
Simon, WV

Average pressure in December - Simon, 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
Simon, WV

Average wind speed in December - Simon, WV
  • Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Simon, WV

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

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

Average rainfall in December
Simon, WV

Average rainfall in December - Simon, WV
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in December
Simon, WV

Average rainfall days in December - Simon, WV
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in December
Simon, WV

Average snowfall in December - Simon, WV
  • Average snowfall in December: 2.05"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Simon, WV

Average snowfall days in December - Simon, WV
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Simon, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Simon, WV

Average sunshine days in December - Simon, WV
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in December
Simon, WV

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

Average cloud cover in December
Simon, WV

Average cloud cover in December - Simon, 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 35).

Average visibility in December
Simon, WV

Average visibility in December - Simon, 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).

Simon, West Virginia, USA

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