December weather forecastBayou Geneve, LA
December
Weather in December
The first month of the winter, December, is still a comfortable month in Bayou Geneve, Louisiana, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 63.5°F (17.5°C).Temperature
Bayou Geneve observes a small decrease in the average high-temperature with the arrival of December, falling from November's agreeable 68.9°F (20.5°C) to an enjoyable 63.5°F (17.5°C). Bayou Geneve experiences an average low-temperature reading of 50.9°F (10.5°C) throughout December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 79%.Rainfall
In Bayou Geneve, during December, the rain falls for 8 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Bayou Geneve, during the entire year, the rain falls for 128.6 days and collects up to 13.27" (337mm) of precipitation.Snowfall
In Bayou Geneve, Louisiana, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 5:04 pm. On the last day of December, sunrise is at 6:59 am and sunset at 5:15 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
December is the month with the lowest UV index in Bayou Geneve, Louisiana, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bayou Geneve, LA
- Average high temperature in December: 63.5°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in December: 50.9°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in December
Bayou Geneve, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.96"Hg).
Average wind speed in December
Bayou Geneve, LA
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Bayou Geneve, LA
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Bayou Geneve, LA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in December
Bayou Geneve, LA
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (6 days).
Average snowfall days in December
Bayou Geneve, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Bayou Geneve, LA
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Bayou Geneve, LA
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is August (6.9 days).
Average UV index in December
Bayou Geneve, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Bayou Geneve, LA
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in December
Bayou Geneve, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





