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 signals a slight drop in average high-temperature, sliding from November's refreshing 66.9°F (19.4°C) to a moderate 59.9°F (15.5°C). An average low-temperature of 45.5°F (7.5°C) is noted during the nights in December.Humidity
The average relative humidity in December in Simmesport is 81%.Rainfall
In December, in Simmesport, the rain falls for 13 days. Throughout December, 3.39" (86mm) of precipitation is accumulated. In Simmesport, during the entire year, the rain falls for 174.9 days and collects up to 38.82" (986mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Simmesport, Louisiana, during the entire year, snow falls for 1.1 days and aggregates up to 0.55" (14mm) of snow.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:48 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:05 am and sunset at 5:15 pm CST.
Sunshine
With an average of 4.7h of sunshine, December has the least sunshine of the year.UV index
January 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 exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during December translates into the following guidance:
Act with care - Obligation to protect against skin and eye damage is highlighted. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Simmesport have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Simmesport?
Average temperature in December
Simmesport, LA
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 45.5°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.7°F).
Average pressure in December
Simmesport, 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
Simmesport, LA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and September (5.2mph).
Average humidity in December
Simmesport, 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
Simmesport, LA
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Simmesport, LA
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is October (10 days).
Average snowfall in December
Simmesport, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Simmesport, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.5 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
Simmesport, 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 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Simmesport, LA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (19.8 days).
The months with the least sunshine days are July and August (9.2 days).
Average UV index in December
Simmesport, 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
Simmesport, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Simmesport, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, October, November and December (6mi).
The months with the lowest visibility are March, April, May, June, July, August and September (5mi).
Simmesport, Louisiana, USA
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