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 advent of December brings a subtle shift in temperature, with the average high moving from a comfortable 67.3°F (19.6°C) in November to a still refreshing 61°F (16.1°C). Throughout December, Hackley's nights cool down to an average of 45.5°F (7.5°C).Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
In Hackley, in December, it is raining for 13.1 days, with typically 2.87" (73mm) of accumulated precipitation. In Hackley, during the entire year, the rain falls for 168 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January and December are months with snowfall. The months with the most snowfall are January and December, with an average 0.24" (6mm) of accumulated snow.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:41 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:09 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Enhance your sun protection with tightly woven, yet airy clothing. 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 is the most humid month?
What is the average humidity in December?
How much does it rain in Hackley in December?
What is the snowiest month?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Hackley 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?
How high is the UV index in December?
Average temperature in December
Hackley, LA
- Average high temperature in December: 61°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 (58.5°F).
- Average low temperature in December: 45.5°F
The months with the highest average low temperature are July and August (73.8°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in December
Hackley, LA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Hackley, LA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
Hackley, LA
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Hackley, LA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Hackley, LA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Hackley, LA
- Average snowfall in December: 0.24"
The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Hackley, LA
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Hackley, 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 month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Hackley, LA
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (7.4 days).
Average UV index in December
Hackley, LA
- Average UV index in December: 3
The months with the highest UV index are May, 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
Hackley, LA
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Hackley, LA
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Hackley, Louisiana, USA
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