December weather forecast
Zion, AR

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Weather in December

The first month of the winter, December, is still a chilly month in Zion, Arkansas, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 48°F (8.9°C).

Temperature

December signals a slight drop in average high-temperature, sliding from November's moderate 56.8°F (13.8°C) to a frosty 48°F (8.9°C). Zion sees an average low-temperature of 34.3°F (1.3°C) during December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Zion, in December, during 9.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Zion, Arkansas, during the entire year, the rain falls for 155.8 days and collects up to 35.2" (894mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Zion. In Zion, in December, snow falls for 1.4 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, in Zion, Arkansas, there are 8.4 snowfall days, and 4.65" (118mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December in Zion, Arkansas, sunrise is at 6:59 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:03 pm CST.

Sunshine

In December, the average sunshine in Zion is 5.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 during December translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the average December temperature in Zion?

Zion in December has an average high-temperature of 48°F (8.9°C) and an average low-temperature of 34.3°F (1.3°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the average humidity in December in Zion?

In December, the average relative humidity in Zion, Arkansas, is 76%.

How many days does it rain in December in Zion?

In December, in Zion, the rain falls for 9.4 days. Throughout December, 2.48" (63mm) of precipitation is accumulated.

How much does it snow in Zion in December?

In Zion, Arkansas, in December, during 1.4 snowfall days, 1.02" (26mm) of snow is typically accumulated.

What is the month with the shortest days in Zion?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

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

The average day length in December in Zion, Arkansas, is 9h and 46min.

What time are sunrise and sunset in December in Zion?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:03 pm CST.

How long on average sun shines in December in Zion?

The average sunshine duration in December in Zion, Arkansas, is 5.3h.

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

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 Zion?

The average daily maximum UV index in December in Zion, Arkansas, is 2. A UV Index value 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
Zion, AR

Average temperature in December - Zion, AR
  • Average high temperature in December: 48°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 (44.8°F).

  • Average low temperature in December: 34.3°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in December
Zion, AR

Average pressure in December - Zion, AR
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Zion, AR

Average wind speed in December - Zion, AR
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Zion, AR

Average humidity in December - Zion, AR
  • Average humidity in December: 76%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Zion, AR

Average rainfall in December - Zion, AR
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Zion, AR

Average rainfall days in December - Zion, AR
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in December
Zion, AR

Average snowfall in December - Zion, AR
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Zion, AR

Average snowfall days in December - Zion, AR
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is January (2.8 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
Zion, AR

Average daylight in December / Average sunshine in December - Zion, AR
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in December
Zion, AR

Average sunshine days in December - Zion, AR
  • Average sunshine days in December: 19.5 days

The months with the most sunshine days are January and December (19.5 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in December
Zion, AR

Average UV index in December - Zion, AR
  • 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
Zion, AR

Average cloud cover in December - Zion, AR
  • Average cloud cover in December: 43

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in December
Zion, AR

Average visibility in December - Zion, AR
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Zion, Arkansas, USA

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