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
Chalmette's weather in December indicates an average high-temperature of a refreshing 63.5°F (17.5°C), nearly consistent with the 68.7°F (20.4°C) of November. In the month of December, Chalmette records a consistent average low-temperature of 52.7°F (11.5°C).Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Chalmette, Louisiana, during December, the rain falls for 10.8 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Chalmette, during the entire year, the rain falls for 146.1 days and collects up to 16.85" (428mm) of precipitation.Snowfall
January and December are months with snowfall. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:38 am and sunset at 4:59 pm. On the last day of December, sunrise is at 6:55 am and sunset at 5:10 pm CST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days in Chalmette?
How many hours of daylight does Chalmette have 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?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Chalmette, LA
- Average high temperature in December: 63.5°F
The warmest months (with the highest average high temperature) are July and August (89.2°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in December: 52.7°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure in December
Chalmette, 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
Chalmette, LA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Chalmette, LA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Chalmette, LA
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Chalmette, LA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (5.6 days).
Average snowfall days in December
Chalmette, LA
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 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
Chalmette, 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Chalmette, LA
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (7 days).
Average UV index in December
Chalmette, 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
Chalmette, LA
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Chalmette, 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).
Chalmette, Louisiana, USA
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