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
In December, the average high-temperature marginally decreases from a pleasant 68.9°F (20.5°C) in November to an enjoyable 62.4°F (16.9°C). The average nighttime temperature lowers to a chilly 48.7°F (9.3°C) throughout December.Humidity
In Gueydan, Louisiana, the average relative humidity in December is 79%.Rainfall
In Gueydan, in December, it is raining for 11.5 days, with typically 1.65" (42mm) of accumulated precipitation. In Gueydan, during the entire year, the rain falls for 144.3 days and collects up to 22.17" (563mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:48 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:20 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during December leads to these advisories:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in Gueydan in December?
What is the month with the shortest days?
How many hours of daylight does Gueydan have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Gueydan have in December?
When is the lowest UV index?
What is the UV index reading in December in Gueydan?
Average temperature in December
Gueydan, LA
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is August (89.8°F).
The month with the lowest average high temperature is January (59.7°F).
- Average low temperature in December: 48.7°F
The months with the highest average low temperature are July and August (75.6°F).
The coldest month (with the lowest average low temperature) is January (45°F).
Average pressure in December
Gueydan, 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 and August (29.95"Hg).
Average wind speed in December
Gueydan, LA
- Average wind speed in December: 8.7mph
The windiest months (with the highest average wind speed) are February and April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Gueydan, LA
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Gueydan, LA
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is March (1.18").
Average rainfall days in December
Gueydan, LA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Gueydan, 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
Gueydan, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 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
Gueydan, LA
- Average daylight in December: 10h and 2min
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 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Gueydan, LA
- Average sunshine days in December: 16.6 days
The months with the most sunshine days are January and November (20.6 days).
The months with the least sunshine days are July and August (10.8 days).
Average UV index in December
Gueydan, 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
Gueydan, LA
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Gueydan, 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).
Gueydan, Louisiana, USA
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