December weather forecastGlynn, LA
December
Weather in December
December, the first month of the winter in Glynn, is also a moderate month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 45.7°F (7.6°C).Temperature
With the arrival of December, Glynn experiences a modest decline in average high-temperatures, transitioning from a refreshing 67.6°F (19.8°C) in November to a mild 60.4°F (15.8°C). Glynn, during December nights, observes an average temperature of 45.7°F (7.6°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Glynn, in December, it is raining for 10.4 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 134.7 rainfall days, and 12.48" (317mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. The months with the most snowfall in Glynn are January and December, with an average 0.08" (2mm) of accumulated 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 6:45 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:02 am and sunset at 5:14 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 3 transforms into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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
Glynn, LA
- Average high temperature in December: 60.4°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (57.6°F).
- Average low temperature in December: 45.7°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in December
Glynn, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in December
Glynn, LA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.2mph).
Average humidity in December
Glynn, LA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Glynn, LA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is March (0.67").
Average rainfall days in December
Glynn, LA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in December
Glynn, LA
- Average snowfall in December: 0.08"
The months with the highest snowfall are January and 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
Glynn, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Glynn, 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: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Glynn, LA
- Average sunshine days in December: 18 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in December
Glynn, LA
- Average UV index in December: 3
The months with the highest UV index are 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
Glynn, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Glynn, LA
- Average visibility in December: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
