December weather forecast
Oppelo, AR

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Weather in December

The first month of the winter, December, is also a fresh month in Oppelo, Arkansas, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 35.2°F (1.8°C).

Temperature

December ushers in a minute temperature change, with average high-temperatures reducing from November's mild 58.8°F (14.9°C) to a cool 50.5°F (10.3°C). During the month of December, an average low-temperature of 35.2°F (1.8°C) is recorded.

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Oppelo, in December, it is raining for 11.1 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Oppelo, there are 153.8 rainfall days, and 36.18" (919mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Oppelo, Arkansas, are January through March, November and December. In Oppelo, in December, snow falls for 0.4 days, with typically accumulated 0.39" (10mm) of snow. Throughout the year, in Oppelo, there are 4.8 snowfall days, and 2.68" (68mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Oppelo.
On the first day of December in Oppelo, Arkansas, sunrise is at 7:01 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:09 pm CST.

Sunshine

In December, the average sunshine is 5.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What are December temperatures in Oppelo?

The high-temperature, in December, in Oppelo, is 50.5°F (10.3°C), while the low-temperature averages to 35.2°F (1.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 93.2°F (34°C).

What is the average humidity in December in Oppelo?

The average relative humidity in December is 78%.

How much does it rain in Oppelo in December?

In December, in Oppelo, the rain falls for 11.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated.

How much does it snow in Oppelo in December?

In December, in Oppelo, Arkansas, it is snowing for 0.4 days. Throughout December, 0.39" (10mm) of snow is accumulated.

What is the month with the shortest days in Oppelo?

December has the shortest days of the year in Oppelo, Arkansas, with an average of 9h and 48min of daylight.

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

The average day length in December in Oppelo, Arkansas, is 9h and 50min.

What time are sunrise and sunset in December in Oppelo?

On the first day of December in Oppelo, Arkansas, sunrise is at 7:01 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:09 pm CST.

How long on average sun shines in December in Oppelo?

The average sunshine duration in December in Oppelo, Arkansas, is 5.5h.

When is the lowest UV index in Oppelo?

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

What is the UV index reading in December in Oppelo?

The average daily maximum UV index in December in Oppelo, Arkansas, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Oppelo, AR

Average temperature in December - Oppelo, AR
  • Average high temperature in December: 50.5°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in December
Oppelo, AR

Average pressure in December - Oppelo, 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 (29.94"Hg).

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Average wind speed in December
Oppelo, AR

Average wind speed in December - Oppelo, AR
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Oppelo, AR

Average humidity in December - Oppelo, AR
  • Average humidity in December: 78%

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

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Average rainfall in December
Oppelo, AR

Average rainfall in December - Oppelo, AR
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Oppelo, AR

Average rainfall days in December - Oppelo, AR
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in December
Oppelo, AR

Average snowfall in December - Oppelo, AR
  • Average snowfall in December: 0.39"

The month with the highest snowfall is February (0.91").
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
Oppelo, AR

Average snowfall days in December - Oppelo, AR
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Oppelo, AR

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

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

  • Average sunshine in December: 5h and 3min

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

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Average sunshine days in December
Oppelo, AR

Average sunshine days in December - Oppelo, AR
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in December
Oppelo, AR

Average UV index in December - Oppelo, AR
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Oppelo, AR

Average cloud cover in December - Oppelo, AR
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in December
Oppelo, AR

Average visibility in December - Oppelo, 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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Oppelo, Arkansas, USA

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