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
The move into December indicates a slight reduction in the average high-temperature, down from November's refreshing 62.4°F (16.9°C) to a fresh 54.3°F (12.4°C). Throughout December, an average low-temperature of 39.9°F (4.4°C) is expected.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Rosston, in December, during 13 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Rosston, during the entire year, the rain falls for 160.4 days and collects up to 38.86" (987mm) of precipitation.Snowfall
In Rosston, snow does not fall in April through October and December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:17 am and sunset at 5:15 pm CST.
Sunshine
In Rosston, the average sunshine in December is 5.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rosston have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Rosston have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rosston, AR
- Average high temperature in December: 54.3°F
The warmest months (with the highest average high temperature) are July and August (93.4°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in December: 39.9°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in December
Rosston, AR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Rosston, AR
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Rosston, AR
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Rosston, AR
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is April (5.08").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Rosston, AR
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is October (10.3 days).
Average snowfall in December
Rosston, AR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Rosston, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.5 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
Rosston, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Rosston, AR
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
Rosston, 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
Rosston, AR
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in December
Rosston, AR
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Rosston, Arkansas, USA
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