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 shift from November to December coincides with a small decrease in the average high-temperature, down to a still refreshing 58.5°F (14.7°C) from a comfortable 66.4°F (19.1°C). The low-temperature average for Big Island during December stands at a frosty 44.2°F (6.8°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Big Island, in December, during 11.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Big Island, during the entire year, the rain falls for 152.3 days and collects up to 23.66" (601mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Big Island, Louisiana, during the entire year, snow falls for 1.6 days and aggregates up to 0.83" (21mm) of 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 in Big Island, sunrise is at 6:50 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:16 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 in December translates into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day 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 are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Big Island, LA
- Average high temperature in December: 58.5°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 44.2°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in December
Big Island, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).
Average wind speed in December
Big Island, LA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Big Island, LA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Big Island, LA
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in December
Big Island, LA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Big Island, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Big Island, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.7 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
Big Island, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
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 July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Big Island, LA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is August (10.1 days).
Average UV index in December
Big Island, 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
Big Island, 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
Big Island, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, June, October, November and December (6mi).
The months with the lowest visibility are April, May, July, August and September (5mi).
Big Island, Louisiana, USA
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