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
A moderate decline in average high-temperatures is noted in December, moving from a mild 59.5°F (15.3°C) in November to a fresh 50.9°F (10.5°C). The average temperature during December nights dips to a cold 38.3°F (3.5°C).Humidity
In Haynes, the average relative humidity in December is 77%.Rainfall
In Haynes, during December, the rain falls for 8.7 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Haynes, during the entire year, the rain falls for 127.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In December, it is snowing for 0.5 days. Throughout December, 0.12" (3mm) of snow is accumulated. In Haynes, during the entire year, snow falls for 4.3 days and aggregates up to 0.75" (19mm) of snow.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 6:53 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:02 pm CST.
Sunshine
In Haynes, the average sunshine in December is 5.1h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. 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
What is the average December temperature?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Haynes, AR
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in December
Haynes, 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
Haynes, AR
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Haynes, AR
- Average humidity in December: 77%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Haynes, AR
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Haynes, AR
- Average rainfall days in December: 8.7 days
The months with the highest number of rainy days are May, July and August (13.3 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in December
Haynes, AR
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Haynes, AR
- Average snowfall days in December: 0.5 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 and September (0 days).
Average daylight in December /
Average sunshine in December
Haynes, 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 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Haynes, AR
- Average sunshine days in December: 20 days
The months with the most sunshine days are October and November (21.4 days).
The month with the least sunshine days is August (14.2 days).
Average UV index in December
Haynes, AR
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Haynes, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Haynes, 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).
Haynes, Arkansas, USA
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