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
With the onset of December, the average high-temperature subtly recedes from November's pleasant 69.4°F (20.8°C) to a comfortable 63.7°F (17.6°C). During December, the temperature tends to dip to an average of 50.2°F (10.1°C) at night.Humidity
The months with the highest humidity are July through September and December, with an average relative humidity of 79%.Rainfall
In Thibodaux, in December, during 11.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Thibodaux, during the entire year, the rain falls for 166.9 days and collects up to 25.39" (645mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Thibodaux. Throughout December, there are 0.1 snowfall days. In Thibodaux, 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 in Thibodaux, sunrise is at 6:41 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:14 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 estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 4 suggests this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
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?
How many days does it rain in December?
When does it start to snow in Thibodaux?
What is the month with the shortest days?
What is the average length of the day in December?
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 are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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
Thibodaux, 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).
Thibodaux, Louisiana, USA
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