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
The introduction of December sees an average high-temperature of an enjoyable 63.5°F (17.5°C), hardly deviating from November. During the nights in December, the temperature in Chalmette averages to a cool 52.7°F (11.5°C).Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
In Chalmette, Louisiana, during December, the rain falls for 10.8 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 146.1 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. 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 in Chalmette, Louisiana.On the first day of December, sunrise is at 6:38 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:10 pm CST.
Sunshine
December has the least sunshine of the year in Chalmette, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the temperature in December in Chalmette?
What is the most humid month in Chalmette?
What is the average humidity in December in Chalmette?
How much does it rain in Chalmette in December?
What is the snowiest month in Chalmette?
When does it start snowing in Chalmette?
What is the month with the shortest days in Chalmette?
What is the average length of the day in December in Chalmette?
What time are sunrise and sunset in December in Chalmette?
What is the month with the least sunshine in Chalmette?
How long on average sun shines in December in Chalmette?
What is the month with the lowest UV index in Chalmette?
How high is the UV index in December in Chalmette?
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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