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
Haynesville records a mild change in average high-temperature during December, easing from an enjoyable 63.3°F (17.4°C) in November to a fresh 55°F (12.8°C). Haynesville records a consistent low-temperature of 40.6°F (4.8°C) during December nights.Humidity
February and December, with an average relative humidity of 81%, are the most humid months in Haynesville, Louisiana.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. Throughout the year, there are 152.6 rainfall days, and 36.69" (932mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 3.1 snowfall days, and 1.46" (37mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:57 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:15 am and sunset at 5:16 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in December translates into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Haynesville have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Haynesville, LA
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in December
Haynesville, LA
- Average pressure in December: 30.13"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
Haynesville, LA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Haynesville, LA
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Haynesville, LA
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Haynesville, LA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (15 days).
The months with the least rainy days are October and November (10.4 days).
Average snowfall in December
Haynesville, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Haynesville, LA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.2 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
Haynesville, LA
- 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: 4h and 5min
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 48min).
Average sunshine days in December
Haynesville, LA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in December
Haynesville, 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, February and December (UV index 3).
Average cloud cover in December
Haynesville, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Haynesville, LA
- 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).
Haynesville, Louisiana, USA
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