December weather forecastHenderson, AR
December
Weather in December
December, the first month of the winter in Henderson, is also a frosty month, with an average temperature ranging between min 32.5°F (0.3°C) and max 47.3°F (8.5°C).Temperature
Henderson's progression into December involves a drop in the average high-temperature, receding from a mild 56.8°F (13.8°C) in November to a frosty 47.3°F (8.5°C). During the month of December, Henderson experiences a steady low-temperature average of 32.5°F (0.3°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Henderson, during December, the rain falls for 9.5 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 155.8 rainfall days, and 35.79" (909mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Henderson. In December, in Henderson, Arkansas, it is snowing for 2.5 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Henderson, during the entire year, snow falls for 15.1 days and aggregates up to 8.5" (216mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:04 pm CST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. It's recommended to limit sun exposure when its radiation is at its peak during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Henderson, AR
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Henderson, 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 (29.93"Hg).
Average wind speed in December
Henderson, AR
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Henderson, AR
- Average humidity in December: 76%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in December
Henderson, AR
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Henderson, AR
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Henderson, AR
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Henderson, AR
- Average snowfall days in December: 2.5 days
The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Henderson, AR
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Henderson, AR
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is December (18.6 days).
The months with the least sunshine days are May and July (11.7 days).
Average UV index in December
Henderson, AR
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Henderson, AR
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Henderson, AR
- Average visibility in December: 6mi
The months with the highest visibility are February, June, October, November and December (6mi).
The months with the lowest visibility are January, March, April, May, July, August and September (5mi).





