December weather forecast
Ammon, VA

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Weather in December

December, the first month of the winter in Ammon, is still a cool month, with an average temperature ranging between min 35.2°F (1.8°C) and max 50°F (10°C).

Temperature

December ushers in a minor alteration in Ammon's climate, with the average high-temperature moving from November's refreshing 57.4°F (14.1°C) to a fresh 50°F (10°C). The average temperature during December nights in Ammon is registered at a cold 35.2°F (1.8°C).

Humidity

The most humid month in Ammon is December, with an average relative humidity of 78%.

Rainfall

In December, in Ammon, the rain falls for 11.5 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. In Ammon, during the entire year, the rain falls for 163.2 days and collects up to 31.85" (809mm) of precipitation.

Snowfall

Months with snowfall in Ammon are January through April, November and December. In Ammon, in December, snow falls for 1.4 days, with typically accumulated 1.06" (27mm) of snow. In Ammon, during the entire year, snow falls for 9.9 days and aggregates up to 6.5" (165mm) of snow.

Daylight

December has the shortest days of the year in Ammon, Virginia, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:53 pm. On the last day of December, in Ammon, Virginia, sunrise is at 7:24 am and sunset at 5:04 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.3h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What are the temperatures in Ammon in December?

In December, the average high-temperature and low-temperature in Ammon are 50°F (10°C) and 35.2°F (1.8°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the most humid month in Ammon?

December is the most humid month, with an average relative humidity of 78%.

What is the average humidity in December in Ammon?

In Ammon, Virginia, the average relative humidity in December is 78%.

How many days does it rain in December in Ammon?

In Ammon, Virginia, in December, during 11.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How many days does it snow in December in Ammon?

In December, in Ammon, it is snowing for 1.4 days. Throughout December, 1.06" (27mm) of snow is accumulated.

What is the month with the shortest days in Ammon?

The month with the shortest days in Ammon, Virginia, is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Ammon have in December?

In Ammon, Virginia, the average day length in December is 9h and 39min.

What time are sunrise and sunset in December in Ammon?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:04 pm EST.

What is the month with the least sunshine in Ammon?

December has the least sunshine of the year, with an average of 5.3h of sunshine.

How long on average sun shines in December in Ammon?

In December, the average sunshine duration in Ammon, Virginia, is 5.3h.

What is the month with the lowest UV index in Ammon?

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

How high is the UV index in December in Ammon?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Ammon, VA

Average temperature in December - Ammon, VA
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in December
Ammon, VA

Average pressure in December - Ammon, VA
  • 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).

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Average wind speed in December
Ammon, VA

Average wind speed in December - Ammon, VA
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Ammon, VA

Average humidity in December - Ammon, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in December
Ammon, VA

Average rainfall in December - Ammon, VA
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Ammon, VA

Average rainfall days in December - Ammon, VA
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in December
Ammon, VA

Average snowfall in December - Ammon, VA
  • Average snowfall in December: 1.06"

The month with the highest snowfall is March (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Ammon, VA

Average snowfall days in December - Ammon, VA
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Ammon, VA

Average daylight in December / Average sunshine in December - Ammon, VA
  • 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 42min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Ammon, VA

Average sunshine days in December - Ammon, VA
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Ammon, VA

Average UV index in December - Ammon, VA
  • 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 and December (UV index 2).

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Average cloud cover in December
Ammon, VA

Average cloud cover in December - Ammon, VA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Ammon, VA

Average visibility in December - Ammon, VA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Ammon, Virginia, USA

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