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 subtly correlates with a reduction in the average high-temperature, down from a comfortable 60.8°F (16°C) in November to a fresh 52.9°F (11.6°C). In December, Joan records an average nighttime temperature of 38.3°F (3.5°C).Humidity
February, March and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Joan, Arkansas, in December, during 10.4 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Joan, during the entire year, the rain falls for 132.4 days and collects up to 22.2" (564mm) of precipitation.Snowfall
In Joan, Arkansas, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December in Joan, Arkansas, sunrise is at 6:59 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:12 pm CST.
Sunshine
In Joan, the average sunshine in December is 5.2h.UV index
The month with the lowest UV index in Joan is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Joan?
What are the most humid months in Joan?
What is the average humidity in December in Joan?
How many days does it rain in December in Joan?
When it does not snow in Joan?
Does it snow in Joan in December?
What is the month with the shortest days in Joan?
How many hours of daylight does Joan have in December?
When is the sunrise / sunset in December in Joan?
How many hours of sunshine does Joan have in December?
What is the month with the lowest UV index in Joan?
What is the UV index reading in December in Joan?
Average temperature in December
Joan, AR
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Joan, 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
Joan, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Joan, AR
- Average humidity in December: 80%
The months with the highest relative humidity are February, March and December (80%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall in December
Joan, AR
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
Joan, AR
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is August (14.3 days).
The month with the least rainy days is October (7.9 days).
Average snowfall in December
Joan, AR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Joan, AR
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (1.6 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
Joan, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Joan, AR
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in December
Joan, 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
Joan, AR
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Joan, AR
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
Joan, Arkansas, USA
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