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 onset of December is marked by a decrease in temperature, transitioning from a refreshing 57°F (13.9°C) in November to a chilly 46.9°F (8.3°C). Throughout December, the average low-temperature records at an icy 32.9°F (0.5°C).Humidity
The average relative humidity in December in Morrow is 75%.Rainfall
In Morrow, during December, the rain falls for 8.2 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 146.8 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Morrow, during December, snow falls for 2.2 days and regularly aggregates up to 0.71" (18mm) of snow. In Morrow, during the entire year, snow falls for 11.6 days and aggregates up to 4.96" (126mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:14 pm CST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Morrow are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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 many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Morrow have in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Morrow have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Morrow, AR
- Average high temperature in December: 46.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
Morrow, 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
Morrow, AR
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Morrow, AR
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Morrow, AR
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in December
Morrow, AR
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and November (8 days).
Average snowfall in December
Morrow, AR
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Morrow, AR
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Morrow, AR
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Morrow, AR
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Morrow, AR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Morrow, AR
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Morrow, 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).
Morrow, Arkansas, USA
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