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 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
December is marked by a subtle drop in average high-temperatures, transitioning from a comfortable 66.7°F (19.3°C) in November to a mild 59.2°F (15.1°C). December's nights in Cassandra, Louisiana, observe an average temperature of 45°F (7.2°C).Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 9.8 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Cassandra, Louisiana, there are 133.5 rainfall days, and 15.51" (394mm) of precipitation is accumulated.Snowfall
In Cassandra, snow does not fall in February through December.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 5:05 pm. On the last day of December, in Cassandra, sunrise is at 7:07 am and sunset at 5:16 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year in Cassandra.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are the temperatures in Cassandra in December?
What is the average humidity in December in Cassandra?
How many days does it rain in December in Cassandra?
When it does not snow in Cassandra?
Does it snow in Cassandra in December?
What is the month with the shortest days in Cassandra?
What is the average length of the day in December in Cassandra?
When are sunrise and sunset in December in Cassandra?
What is the month with the least sunshine in Cassandra?
How many hours of sunshine does Cassandra have in December?
When is the lowest UV index in Cassandra?
What is the UV index intensity in December in Cassandra?
Average temperature in December
Cassandra, LA
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 45°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Cassandra, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Cassandra, LA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Cassandra, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Cassandra, LA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in December
Cassandra, LA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in December
Cassandra, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Cassandra, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Cassandra, 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: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Cassandra, LA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is August (11.2 days).
Average UV index in December
Cassandra, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Cassandra, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Cassandra, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Cassandra, Louisiana, USA
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