December weather forecastWillow, AR
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 54min
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 18min
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: 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: 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: 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: 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).
