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
The transition to December results in a modest reduction in average high-temperature, moving from a pleasant 68°F (20°C) in November to a refreshing 61°F (16.1°C). Throughout the month of December, Grand Coteau witnesses an average temperature of 46.4°F (8°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In December, in Grand Coteau, the rain falls for 9.5 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Grand Coteau, during the entire year, the rain falls for 135 days and collects up to 12.44" (316mm) of precipitation.Snowfall
Months with snowfall are January and December. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.08" (2mm) 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 6:47 am and sunset at 5:07 pm. On the last day of December, in Grand Coteau, sunrise is at 7:04 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine in Grand Coteau is December, with an average of 4.9h of sunshine.UV index
With an average maximum UV index of 3, December is the month 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 average person.Note: The daily high UV index of 3 in December translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in December in Grand Coteau?
What is the average humidity in December in Grand Coteau?
How much does it rain in Grand Coteau in December?
What is the snowiest month in Grand Coteau?
When does it start snowing in Grand Coteau?
What is the month with the shortest days in Grand Coteau?
What is the average length of the day in December in Grand Coteau?
When is the sunrise / sunset in December in Grand Coteau?
What is the month with the least sunshine in Grand Coteau?
How long on average sun shines in December in Grand Coteau?
When is the lowest UV index in Grand Coteau?
What is the UV index reading in December in Grand Coteau?
Average temperature in December
Grand Coteau, LA
- Average high temperature in December: 61°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (58.3°F).
- Average low temperature in December: 46.4°F
The month with the highest average low temperature is August (73.8°F).
The coldest month (with the lowest average low temperature) is January (43°F).
Average pressure in December
Grand Coteau, 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
Grand Coteau, LA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Grand Coteau, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Grand Coteau, LA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is March (0.59").
Average rainfall days in December
Grand Coteau, LA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in December
Grand Coteau, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Grand Coteau, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Grand Coteau, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Grand Coteau, LA
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in December
Grand Coteau, LA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Grand Coteau, LA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Grand Coteau, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).
Grand Coteau, Louisiana, USA
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