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 witnesses a gentle descent in average high-temperature, descending from November's comfortable 66.9°F (19.4°C) to a mild 59.9°F (15.5°C). Morrow's average low-temperature during December nights is observed to be a chilly 45.3°F (7.4°C).Humidity
In Morrow, the average relative humidity in December is 81%.Rainfall
In Morrow, in December, during 13.7 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Morrow, during the entire year, the rain falls for 160.1 days and collects up to 33.9" (861mm) of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1 snowfall days, and 0.43" (11mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:48 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:17 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Morrow are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in December translates into these instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Morrow have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Morrow, LA
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 45.3°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Morrow, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Morrow, LA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and September (5.2mph).
Average humidity in December
Morrow, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Morrow, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is January (3.5").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Morrow, LA
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Morrow, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Morrow, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Morrow, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Morrow, LA
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (12 days).
Average UV index in December
Morrow, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Morrow, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Morrow, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Morrow, Louisiana, USA
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