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 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 average high-temperature is a refreshing 64.8°F (18.2°C) in December, hardly different from the 69.8°F (21°C) recorded in November. Throughout December, the average low-temperature records at a fresh 52.5°F (11.4°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Dulac, Louisiana, in December, it is raining for 8.6 days, with typically 0.75" (19mm) of accumulated precipitation. In Dulac, during the entire year, the rain falls for 117.2 days and collects up to 10.98" (279mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 5:03 pm. On the last day of December, sunrise is at 6:57 am and sunset at 5:15 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 in December translates into these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Dulac have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Dulac?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Dulac, LA
- Average high temperature in December: 64.8°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 52.5°F
The months with the highest average low temperature are July and August (77.5°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in December
Dulac, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Dulac, LA
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Dulac, LA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Dulac, LA
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is March (0.35").
Average rainfall days in December
Dulac, LA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is November (6 days).
Average daylight in December /
Average sunshine in December
Dulac, 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 2min
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 24min).
Average sunshine days in December
Dulac, LA
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in December
Dulac, LA
- Average UV index in December: 4
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 4).
Average cloud cover in December
Dulac, LA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Dulac, 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).
Dulac, Louisiana, USA
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