December weather forecastGrand Bay, AL
December
Weather in December
December, the first month of the winter in Grand Bay, is still a comfortable month, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 49.8°F (9.9°C).Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from an agreeable 68.4°F (20.2°C) in November to an enjoyable 62.6°F (17°C). Throughout December, an average low-temperature of 49.8°F (9.9°C) is expected.Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Grand Bay, in December, during 12.2 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 173.5 rainfall days, and 40.98" (1041mm) of precipitation is accumulated.Snowfall
In Grand Bay, snow does not fall in February through December.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 6:33 am and sunset at 4:52 pm. On the last day of December, sunrise is at 6:50 am and sunset at 5:03 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grand Bay, AL
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in December: 49.8°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).
Average pressure in December
Grand Bay, AL
- 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 (29.97"Hg).
Average wind speed in December
Grand Bay, AL
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in December
Grand Bay, AL
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Grand Bay, AL
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is August (6.1").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Grand Bay, AL
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Grand Bay, AL
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.16").
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
Grand Bay, AL
- 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 February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Grand Bay, AL
- 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 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
Grand Bay, AL
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in December
Grand Bay, AL
- 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
Grand Bay, AL
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in December
Grand Bay, AL
- 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).
