December weather forecast
Ona, WV

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Weather in December

December, the first month of the winter in Ona, is also a frosty month, with an average temperature fluctuating between 32.7°F (0.4°C) and 44.4°F (6.9°C).

Temperature

In Ona, the average high-temperature in December slightly decreases from a cool 53.2°F (11.8°C) in November to a chilly 44.4°F (6.9°C). During December, the temperature tends to dip to an average of 32.7°F (0.4°C) at night.

Humidity

In Ona, West Virginia, the average relative humidity in December is 80%.

Rainfall

In Ona, in December, it is raining for 13.5 days, with typically 3.15" (80mm) of accumulated precipitation. In Ona, during the entire year, the rain falls for 176 days and collects up to 33.15" (842mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Ona, during December, snow falls for 7.5 days and regularly aggregates up to 2.99" (76mm) of snow. In Ona, during the entire year, snow falls for 38.2 days and aggregates up to 14.92" (379mm) of snow.

Daylight

December has the shortest days of the year in Ona, with an average of 9h and 30min of daylight.
On the first day of December in Ona, sunrise is at 7:27 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:18 pm EST.

Sunshine

The average sunshine in December in Ona is 4.2h.

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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold does it get in Ona in December?

During December, Ona experiences an average high-temperature of 44.4°F (6.9°C) and a low-temperature of 32.7°F (0.4°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 96.8°F (36°C).

What is the average humidity in December in Ona?

In Ona, West Virginia, the average relative humidity in December is 80%.

How many days does it rain in December in Ona?

In Ona, West Virginia, in December, it is raining for 13.5 days, with typically 3.15" (80mm) of accumulated precipitation.

How much does it snow in Ona in December?

In Ona, in December, snow falls for 7.5 days, with typically accumulated 2.99" (76mm) of snow.

What is the month with the shortest days in Ona?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Ona.

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

In December, the average day length in Ona is 9h and 32min.

What time are sunrise and sunset in December in Ona?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 5:08 pm. On the last day of the month, in Ona, West Virginia, sunrise is at 7:45 am and sunset at 5:18 pm EST.

How long on average sun shines in December in Ona?

In December, the average sunshine duration is 4.2h.

What are the months with the lowest UV index in Ona?

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

What is the UV index reading in December in Ona?

The average daily maximum UV index in December in Ona, West Virginia, is 2. A UV Index reading of 2, and below, represents a low health risk 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
Ona, WV

Average temperature in December - Ona, WV
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in December
Ona, WV

Average pressure in December - Ona, 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 (29.97"Hg).

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Average wind speed in December
Ona, WV

Average wind speed in December - Ona, WV
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Ona, WV

Average humidity in December - Ona, WV
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in December
Ona, WV

Average rainfall in December - Ona, WV
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Ona, WV

Average rainfall days in December - Ona, WV
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (10.9 days).

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Average snowfall in December
Ona, WV

Average snowfall in December - Ona, WV
  • Average snowfall in December: 2.99"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Ona, WV

Average snowfall days in December - Ona, WV
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Ona, WV

Average sunshine days in December - Ona, WV
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in December
Ona, WV

Average UV index in December - Ona, 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).

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Average cloud cover in December
Ona, WV

Average cloud cover in December - Ona, WV
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Ona, WV

Average visibility in December - Ona, 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).

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Ona, West Virginia, USA

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