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 64.6°F (18.1°C) in November to a mild 56.5°F (13.6°C). During the month of December, Guynes experiences a steady low-temperature average of 42.1°F (5.6°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Guynes, during December, the rain falls for 12.5 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Guynes, during the entire year, the rain falls for 158.9 days and collects up to 39.17" (995mm) 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 0.6 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 3.2 snowfall days, and 0.94" (24mm) 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 5:07 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:18 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year in Guynes.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 the ordinary person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow in Guynes?
What is the month with the shortest days?
How many hours of daylight does Guynes have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index in Guynes?
What is the UV index reading in December?
Average temperature in December
Guynes, LA
- Average high temperature in December: 56.5°F
The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
Guynes, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Guynes, LA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Guynes, 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 (69%).
Average rainfall in December
Guynes, LA
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is May (4.17").
The driest months (with the least rainfall) are July and September (2.52").
Average rainfall days in December
Guynes, LA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Guynes, LA
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Guynes, LA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.1 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
Guynes, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Guynes, LA
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in December
Guynes, 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
Guynes, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Guynes, 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).
Guynes, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location