Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a refreshing 59.7°F (15.4°C) in November to a fresh 51.1°F (10.6°C). Hayley encounters a steady low-temperature average of 38.5°F (3.6°C) throughout the month of December.Humidity
In Hayley, Arkansas, the average relative humidity in December is 76%.Rainfall
In Hayley, in December, during 10.8 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Hayley, during the entire year, the rain falls for 148.5 days and collects up to 35.67" (906mm) of precipitation.Snowfall
Months with snowfall in Hayley are January through March, November and December. In Hayley, during December, snow falls for 0.5 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Hayley, there are 4.1 snowfall days, and 2.56" (65mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Hayley.On the first day of the month, sunrise is at 6:56 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:14 am and sunset at 5:05 pm CST.
Sunshine
In Hayley, the average sunshine in December is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Hayley, Arkansas. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average December temperature in Hayley?
What is the average humidity in December in Hayley?
How much does it rain in Hayley in December?
How many days does it snow in December in Hayley?
What is the month with the shortest days in Hayley?
How many hours of daylight does Hayley have in December?
What time are sunrise and sunset in December in Hayley?
How many hours of sunshine does Hayley have in December?
When is the lowest UV index in Hayley?
What is the UV index intensity in December in Hayley?
Average temperature in December
Hayley, AR
- Average high temperature in December: 51.1°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 (47.3°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in December
Hayley, 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
Hayley, AR
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Hayley, AR
- Average humidity in December: 76%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Hayley, AR
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is April (4.17").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Hayley, AR
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are October and November (9.6 days).
Average snowfall in December
Hayley, AR
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hayley, AR
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hayley, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Hayley, AR
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Hayley, AR
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Hayley, AR
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in December
Hayley, 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).
Hayley, Arkansas, USA
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