December weather forecastDutch Bayou, LA
December
Weather in December
December, the first month of the winter in Dutch Bayou, is still a refreshing month, with an average temperature ranging between max 63.3°F (17.4°C) and min 50°F (10°C).Temperature
Dutch Bayou's transition into December involves a gentle shift in temperature, receding from an agreeable 68.9°F (20.5°C) in November to a comfortable 63.3°F (17.4°C). In Dutch Bayou, the average low-temperature during the month of December is a cool 50°F (10°C).Humidity
February and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In December, the rain falls for 12.7 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 174 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.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 6:41 am and sunset at 5:01 pm. On the last day of December, sunrise is at 6:58 am and sunset at 5:12 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dutch Bayou, LA
- Average high temperature in December: 63.3°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in December: 50°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in December
Dutch Bayou, LA
- Average pressure in December: 30.12"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 (29.97"Hg).
Average wind speed in December
Dutch Bayou, LA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January, February and April (8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Dutch Bayou, 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 (73%).
Average rainfall in December
Dutch Bayou, LA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is July (5.55").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Dutch Bayou, LA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in December
Dutch Bayou, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Dutch Bayou, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Dutch Bayou, LA
- Average daylight in December: 10h and 12min
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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Dutch Bayou, LA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6 days).
Average UV index in December
Dutch Bayou, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Dutch Bayou, LA
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in December
Dutch Bayou, 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).





