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 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, Chacahoula's average high-temperature eases from an agreeable 69.4°F (20.8°C) to a comfortable 63.7°F (17.6°C). During December, the nighttime temperature averages of 50.2°F (10.1°C).Humidity
The months with the highest humidity are July through September and December, with an average relative humidity of 79%.Rainfall
In Chacahoula, during December, the rain falls for 11.8 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 166.9 rainfall days, and 25.39" (645mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Chacahoula, during the entire year, snow falls for 0.4 days.Daylight
With an average of 10h and 18min 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 5:04 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:15 pm CST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Chacahoula?
What is the most humid month?
What is the average humidity in December?
How much does it rain in Chacahoula in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Chacahoula have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Chacahoula have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Chacahoula, LA
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in December: 50.2°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46.2°F).
Average pressure in December
Chacahoula, 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 (29.96"Hg).
Average wind speed in December
Chacahoula, LA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Chacahoula, LA
- Average humidity in December: 79%
The months with the highest relative humidity are July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Chacahoula, LA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in December
Chacahoula, LA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (7.2 days).
Average snowfall days in December
Chacahoula, 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
Chacahoula, LA
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Chacahoula, LA
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in December
Chacahoula, LA
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in December
Chacahoula, LA
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Chacahoula, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Chacahoula, Louisiana, USA
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