December weather forecast
Willow, AR

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Weather in December

The first month of the winter, December, is also a fresh month in Willow, Arkansas, with an average temperature varying between 52.5°F (11.4°C) and 37.2°F (2.9°C).

Temperature

With the commencement of December, Willow records a moderate temperature decline, with the average high easing from November's refreshing 60.4°F (15.8°C) to a fresh 52.5°F (11.4°C). In Willow, in December, the average low-temperature is a cold 37.2°F (2.9°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

In Willow, in December, during 12 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. Throughout the year, there are 166 rainfall days, and 39.21" (996mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Willow, in December, snow falls for 0.5 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, there are 4.6 snowfall days, and 1.89" (48mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:59 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:12 pm CST.

Sunshine

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

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

An average high-temperature, in December, in Willow, is 52.5°F (11.4°C) and the average low-temperature is 37.2°F (2.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 95°F (35°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Willow, Arkansas, in December, it is raining for 12 days, with typically 3.58" (91mm) of accumulated precipitation.

How many days does it snow in December?

In Willow, in December, during 0.5 snowfall days, 0.08" (2mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:12 pm CST.

How many hours of sunshine does Willow have in December?

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

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Willow, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from 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
Willow, AR

Average temperature in December - Willow, AR
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 37.2°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 (33.6°F).

Average pressure in December
Willow, AR

Average pressure in December - Willow, 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
Willow, AR

Average wind speed in December - Willow, AR
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Willow, AR

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

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, September and October (72%).

Average rainfall in December
Willow, AR

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

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in December
Willow, AR

Average rainfall days in December - Willow, AR
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in December
Willow, AR

Average snowfall in December - Willow, AR
  • Average snowfall in December: 0.08"

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").

Average snowfall days in December
Willow, AR

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

The month with the highest number of snowfall days is February (1.8 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
Willow, AR

Average daylight in December / Average sunshine in December - Willow, 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 2min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in December
Willow, AR

Average sunshine days in December - Willow, AR
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is August (10 days).

Average UV index in December
Willow, AR

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

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

Average cloud cover in December
Willow, AR

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

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in December
Willow, AR

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

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

Willow, Arkansas, USA

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