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
In Arcadia, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's comfortable 63.9°F (17.7°C) to a moderate 56.3°F (13.5°C). The month of December records an average low-temperature of 41.5°F (5.3°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Arcadia, in December, during 9.2 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 129.7 rainfall days, and 17.24" (438mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Arcadia, there are 2.8 snowfall days, and 0.28" (7mm) of snow is accumulated.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:56 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:16 pm CST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum 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. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days in Arcadia?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Arcadia have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Arcadia, LA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Arcadia, 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 (29.94"Hg).
Average wind speed in December
Arcadia, LA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Arcadia, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Arcadia, LA
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is November (0.87").
Average rainfall days in December
Arcadia, LA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in December
Arcadia, LA
- Average snowfall in December: 0.04"
The months with the highest snowfall are January and February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Arcadia, LA
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Arcadia, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Arcadia, LA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in December
Arcadia, 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, February and December (UV index 3).
Average cloud cover in December
Arcadia, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are August and October (Cloud cover 30).
Average visibility in December
Arcadia, LA
- Average visibility in December: 5mi
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
Arcadia, Louisiana, USA
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