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 meteorological conditions change slightly, with the average high-temperature moving from an enjoyable 67.6°F (19.8°C) in November to a mild 60.4°F (15.8°C). In Glynn, the nighttime temperature averages to a frosty 45.7°F (7.6°C) during December.Humidity
The average relative humidity in December in Glynn is 82%.Rainfall
In Glynn, during December, the rain falls for 10.4 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Glynn, during the entire year, the rain falls for 134.7 days and collects up to 12.48" (317mm) of precipitation.Snowfall
Months with snowfall are January and December. The months with the most snowfall are January and December, with an average 0.08" (2mm) of accumulated snow.Daylight
The month with the shortest days in Glynn is December, with an average of 10h and 12min of daylight.On the first day of December in Glynn, sunrise is at 6:45 am and sunset at 5:03 pm. On the last day of the month, 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
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Act with care - The need to guard against sun damage is communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are December temperatures in Glynn?
What is the average humidity in December in Glynn?
How much does it rain in Glynn in December?
What is the snowiest month in Glynn?
When does it start to snow in Glynn?
What is the month with the shortest days in Glynn?
What is the average length of the day in December in Glynn?
When are sunrise and sunset in December in Glynn?
What is the month with the least sunshine in Glynn?
How many hours of sunshine does Glynn have in December?
What is the month with the lowest UV index in Glynn?
What is the UV index reading in December in Glynn?
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 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 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).
Glynn, Louisiana, USA
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