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
A modest decline in the average high-temperature is seen during December, decreasing from a comfortable 63.7°F (17.6°C) in November to a still refreshing 55.6°F (13.1°C). Throughout December nights, Rocky Branch experiences a consistent temperature average of 41.5°F (5.3°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Rocky Branch, in December, during 12.4 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Rocky Branch, during the entire year, the rain falls for 155.8 days and collects up to 37.13" (943mm) of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Rocky Branch, Louisiana, during the entire year, snow falls for 1.6 days and aggregates up to 0.35" (9mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:53 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:10 am and sunset at 5:13 pm CST.
Sunshine
The months with the least sunshine in Rocky Branch are February and December, with an average of 4.9h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Rocky Branch. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are December temperatures in Rocky Branch?
What is the average humidity in December in Rocky Branch?
How much does it rain in Rocky Branch in December?
When does it start to snow in Rocky Branch?
What is the month with the shortest days in Rocky Branch?
What is the average length of the day in December in Rocky Branch?
When is the sunrise / sunset in December in Rocky Branch?
What are the months with the least sunshine in Rocky Branch?
How long on average sun shines in December in Rocky Branch?
What is the month with the lowest UV index in Rocky Branch?
What is the UV index reading in December in Rocky Branch?
Average temperature in December
Rocky Branch, LA
- Average high temperature in December: 55.6°F
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is January (53.2°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
Rocky Branch, 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
Rocky Branch, LA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Rocky Branch, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall in December
Rocky Branch, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Rocky Branch, LA
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Rocky Branch, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Rocky Branch, LA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.8 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
Rocky Branch, LA
- Average daylight in December: 10h and 0min
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 0min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Rocky Branch, LA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
Rocky Branch, LA
- Average UV index in December: 3
The months with the highest UV index are May, 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
Rocky Branch, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Rocky Branch, LA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Rocky Branch, Louisiana, USA
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