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
As November makes way for December, Harelson's average high-temperature eases from a pleasant 68.9°F (20.5°C) to a comfortable 61.9°F (16.6°C). Harelson records a mean low-temperature of 46.9°F (8.3°C) in December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 14.3 days. Throughout December, 3.43" (87mm) of precipitation is accumulated. In Harelson, during the entire year, the rain falls for 187.5 days and collects up to 40" (1016mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.4 snowfall days, and 0.24" (6mm) of snow is accumulated.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:00 am and sunset at 5:14 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 3 in December translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What are the most humid months?
What is the average humidity in December in Harelson?
How much does it rain in December?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December in Harelson?
What time 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
Harelson, LA
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in December: 46.9°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure in December
Harelson, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in December
Harelson, LA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Harelson, LA
- 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 October (73%).
Average rainfall in December
Harelson, LA
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Harelson, LA
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Harelson, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harelson, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Harelson, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Harelson, LA
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in December
Harelson, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Harelson, LA
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Harelson, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August and September (5mi).
Harelson, Louisiana, USA
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