December weather forecast
Onia, AR

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Weather in December

The first month of the winter, December, is still a chilly month in Onia, Arkansas, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 48.4°F (9.1°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a refreshing 56.8°F (13.8°C) in November to a frosty 48.4°F (9.1°C). Nighttime temperatures hover around an average low of 34.2°F (1.2°C) in December.

Humidity

In Onia, the average relative humidity in December is 77%.

Rainfall

In Onia, during December, the rain falls for 9.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Onia, during the entire year, the rain falls for 156.1 days and collects up to 34.69" (881mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 1.2 days. Throughout December, 1.02" (26mm) of snow is accumulated. Throughout the year, in Onia, there are 8.6 snowfall days, and 5.12" (130mm) 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, sunrise is at 7:01 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:05 pm CST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Onia, records 48.4°F (9.1°C), while the low-temperature is 34.2°F (1.2°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in December?

In Onia, the average relative humidity in December is 77%.

How many days does it rain in December?

In Onia, in December, it is raining for 9.5 days, with typically 2.48" (63mm) of accumulated precipitation.

How much does it snow in December?

In Onia, in December, snow falls for 1.2 days, with typically accumulated 1.02" (26mm) of snow.

What is the month with the shortest days?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

How many hours of daylight does Onia have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:05 pm CST.

How many hours of sunshine does Onia have in December?

The average sunshine duration in December is 5.4h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 2.

How high is the UV index in December?

In December, the average daily maximum UV index 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
Onia, AR

Average temperature in December - Onia, AR
  • Average high temperature in December: 48.4°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: 34.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in December
Onia, AR

Average pressure in December - Onia, 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).

Average wind speed in December
Onia, AR

Average wind speed in December - Onia, AR
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Onia, AR

Average humidity in December - Onia, AR
  • Average humidity in December: 77%

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

Average rainfall in December
Onia, AR

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

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Onia, AR

Average rainfall days in December - Onia, AR
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in December
Onia, AR

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

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Onia, AR

Average snowfall days in December - Onia, AR
  • Average snowfall days in December: 1.2 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).

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

Average daylight in December / Average sunshine in December - Onia, 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 months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in December
Onia, AR

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

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is August (10.8 days).

Average UV index in December
Onia, AR

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Onia, AR

Average cloud cover in December - Onia, AR
  • Average cloud cover in December: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Onia, AR

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

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

Onia, Arkansas, USA

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