December weather forecast
Marion, AR

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Weather in December

December is the climax of the year in Marion, Arkansas, signifying the full swing of winter. Temperatures continue to decline, thoughtfully concluding the year on a colder note with lows dipping to 38.7°F (3.7°C) and highs merely reaching 50.9°F (10.5°C). The charm of the festive season and the holiday spirit envelops the city, creating a picturesque winter wonderland. Despite being the coldest month, the magic of the holiday season brings warmth to the hearts of the residents in Marion.

Temperature

The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a moderate 59°F (15°C) in November to a fresh 50.9°F (10.5°C). In Marion, the average nighttime temperature during December is an icy 38.7°F (3.7°C).

Humidity

March and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Marion, during December, the rain falls for 9.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Marion, during the entire year, the rain falls for 116.7 days and collects up to 12.4" (315mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 0.8 days. Throughout December, 0.04" (1mm) of snow is accumulated. In Marion, during the entire year, snow falls for 4.6 days and aggregates up to 0.43" (11mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:51 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:59 pm CST.

Sunshine

In Marion, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

What is the average December temperature?

Marion in December has an average high-temperature of 50.9°F (10.5°C) and an average low-temperature of 38.7°F (3.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the most humid month?

The months with the highest humidity are March and December, with an average relative humidity of 78%.

What is the average humidity in December?

In December, the average relative humidity is 78%.

How many days does it rain in December?

In Marion, in December, during 9.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

How much does it snow in December?

In Marion, Arkansas, in December, snow falls for 0.8 days, with typically accumulated 0.04" (1mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Marion have in December?

In Marion, Arkansas, the average day length in December is 9h and 50min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:59 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index reading in December?

In Marion, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Marion, AR

Average temperature in December - Marion, AR
  • Average high temperature in December: 50.9°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in December: 38.7°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in December
Marion, AR

Average pressure in December - Marion, 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).

Average wind speed in December
Marion, AR

Average wind speed in December - Marion, AR
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in December
Marion, AR

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

The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Marion, AR

Average rainfall in December - Marion, AR
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in December
Marion, AR

Average rainfall days in December - Marion, AR
  • Average rainfall days in December: 9.3 days

The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is October (6.5 days).

Average snowfall in December
Marion, AR

Average snowfall in December - Marion, AR
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Marion, AR

Average snowfall days in December - Marion, AR
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Marion, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Marion, AR

Average sunshine days in December - Marion, AR
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is June (14.9 days).

Average UV index in December
Marion, AR

Average UV index in December - Marion, AR
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Marion, AR

Average cloud cover in December - Marion, AR
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in December
Marion, AR

Average visibility in December - Marion, AR
  • 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).

Marion, Arkansas, USA

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