December weather forecast
Rosboro, AR

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Weather in December

December, the first month of the winter in Rosboro, is still a cool month, with an average temperature varying between 37.8°F (3.2°C) and 52.9°F (11.6°C).

Temperature

Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a comfortable 61°F (16.1°C) to a fresh 52.9°F (11.6°C). December nights are marked by an average temperature drop to a cold 37.8°F (3.2°C).

Humidity

In Rosboro, the average relative humidity in December is 79%.

Rainfall

In Rosboro, in December, during 11.4 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Rosboro, during the entire year, the rain falls for 149.1 days and collects up to 37.4" (950mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 3.7 snowfall days, and 1.57" (40mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:02 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:14 pm CST.

Sunshine

The months with the least sunshine are February and December, with an average of 5.1h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To guard against the harmful effects of the Sun, minimize exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

During December, Rosboro experiences an average high-temperature of 52.9°F (11.6°C) and a low-temperature of 37.8°F (3.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 95°F (35°C).

What is the average humidity in December?

In Rosboro, the average relative humidity in December is 79%.

How many days does it rain in December in Rosboro?

In Rosboro, during December, the rain falls for 11.4 days and regularly aggregates up to 3.58" (91mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

How many hours of daylight does Rosboro have in December?

The average day length in December in Rosboro, Arkansas, is 9h and 55min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:14 pm CST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 5.1h of sunshine.

How long on average sun shines in December in Rosboro?

In Rosboro, the average sunshine duration in December is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December in Rosboro is 2. A UV Index reading of 2, and below, represents a minimal health 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
Rosboro, AR

Average temperature in December - Rosboro, AR
  • Average high temperature in December: 52.9°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in December: 37.8°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in December
Rosboro, AR

Average pressure in December - Rosboro, AR
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Rosboro, AR

Average wind speed in December - Rosboro, AR
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Rosboro, AR

Average humidity in December - Rosboro, AR
  • Average humidity in December: 79%

The months with the highest relative humidity are February and March (80%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Rosboro, AR

Average rainfall in December - Rosboro, AR
  • Average rainfall in December: 3.58"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (2.24").

Average rainfall days in December
Rosboro, AR

Average rainfall days in December - Rosboro, AR
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in December
Rosboro, AR

Average snowfall in December - Rosboro, AR
  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Rosboro, AR

Average snowfall days in December - Rosboro, AR
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Rosboro, AR

Average sunshine days in December - Rosboro, AR
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is February (13.9 days).

Average UV index in December
Rosboro, AR

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

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Rosboro, AR

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Rosboro, AR

Average visibility in December - Rosboro, AR
  • Average visibility in December: 5mi

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

Rosboro, Arkansas, USA

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