December weather forecastJean Lafitte, LA
December
Weather in December
December, the first month of the winter in Jean Lafitte, is still a refreshing month, with an average temperature ranging between min 52.5°F (11.4°C) and max 64.2°F (17.9°C).Temperature
December heralds a minor drop in average high-temperature, sliding from November's pleasant 69.8°F (21°C) to a comfortable 64.2°F (17.9°C). During the nights in December, Jean Lafitte experiences a consistent average temperature of 52.5°F (11.4°C).Humidity
February and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. In Jean Lafitte, during the entire year, the rain falls for 137.6 days and collects up to 14.84" (377mm) of precipitation.Snowfall
In Jean Lafitte, snow does not fall in February through December.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 6:38 am and sunset at 5:00 pm. On the last day of December, sunrise is at 6:55 am and sunset at 5:12 pm CST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jean Lafitte, LA
- Average high temperature in December: 64.2°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (60.6°F).
- Average low temperature in December: 52.5°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).
Average pressure in December
Jean Lafitte, 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, August and September (29.97"Hg).
Average wind speed in December
Jean Lafitte, LA
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are February and April (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Jean Lafitte, LA
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Jean Lafitte, LA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is July (2.72").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Jean Lafitte, LA
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (5.8 days).
Average snowfall days in December
Jean Lafitte, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Jean Lafitte, LA
- Average daylight in December: 10h and 18min
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 18min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Jean Lafitte, LA
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in December
Jean Lafitte, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Jean Lafitte, 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 23).
Average visibility in December
Jean Lafitte, 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).
