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 brings a slight decrease in temperature, down from a refreshing 64.6°F (18.1°C) in November to a mild 56.3°F (13.5°C). Throughout December, Keithville records an average temperature of 42.1°F (5.6°C) at night.Humidity
In December, the average relative humidity is 79%.Rainfall
In Keithville, in December, during 12.2 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 152.7 rainfall days, and 35.98" (914mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.3 days. Throughout December, 0.04" (1mm) of snow is accumulated. Throughout the year, there are 2.6 snowfall days, and 1.18" (30mm) of snow is accumulated.Daylight
December has the shortest days of the year in Keithville, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 5:09 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:20 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.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 threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in December translates into these instructions:
Exercise prevention - Warding off sunburn is urged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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 in Keithville?
How many days does it snow in December in Keithville?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Keithville have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Keithville, LA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (95.4°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 (74.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Keithville, 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
Keithville, LA
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).
Average humidity in December
Keithville, LA
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Keithville, LA
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is July (1.93").
Average rainfall days in December
Keithville, LA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Keithville, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Keithville, LA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Keithville, 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: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Keithville, LA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
Keithville, 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
Keithville, 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
Keithville, LA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Keithville, Louisiana, USA
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