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 arrival of December suggests a slight decrease in the average high-temperature, moving from an agreeable 68.2°F (20.1°C) in November to a refreshing 61.7°F (16.5°C). During the month of December, an average temperature of 47.5°F (8.6°C) is noted during the nights in Cecilia.Humidity
In December, the average relative humidity in Cecilia is 81%.Rainfall
In Cecilia, during December, the rain falls for 9.9 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Cecilia, during the entire year, the rain falls for 135.8 days and collects up to 16.1" (409mm) of precipitation.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 12min of daylight, December has the shortest days of the year.On the first day of December in Cecilia, sunrise is at 6:46 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:17 pm CST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year in Cecilia.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 medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are December temperatures in Cecilia?
What is the average humidity in December in Cecilia?
How many days does it rain in December in Cecilia?
When does it snow the most in Cecilia?
When does it start snowing in Cecilia?
What is the month with the shortest days in Cecilia?
What is the average length of the day in December in Cecilia?
When are sunrise and sunset in December in Cecilia?
What is the month with the least sunshine in Cecilia?
How many hours of sunshine does Cecilia have in December?
What is the month with the lowest UV index in Cecilia?
What is the UV index reading in December in Cecilia?
Average temperature in December
Cecilia, LA
- Average high temperature in December: 61.7°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in December: 47.5°F
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).
Average pressure in December
Cecilia, 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 (29.95"Hg).
Average wind speed in December
Cecilia, LA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in December
Cecilia, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Cecilia, LA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (2.44").
The driest months (with the least rainfall) are March and November (0.87").
Average rainfall days in December
Cecilia, LA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8.1 days).
Average snowfall days in December
Cecilia, 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
Cecilia, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Cecilia, LA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in December
Cecilia, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Cecilia, LA
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Cecilia, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, May, June, October, November and December (6mi).
The months with the lowest visibility are April, July, August and September (5mi).
Cecilia, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location
