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
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a comfortable 66.9°F (19.4°C) in November to a still refreshing 60.8°F (16°C). During December, the temperature in Mystic is averaged to a low of 45.9°F (7.7°C) at night.Humidity
In Mystic, the average relative humidity in December is 77%.Rainfall
In December, in Mystic, the rain falls for 9.2 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 144.9 rainfall days, and 19.17" (487mm) of precipitation is accumulated.Snowfall
In Mystic, snow does not fall in February through December.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Mystic.On the first day of December in Mystic, sunrise is at 7:15 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:40 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Mystic.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Mystic. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the average December temperature in Mystic?
What is the average humidity in December in Mystic?
How many days does it rain in December in Mystic?
When it does not snow in Mystic?
Does it snow in Mystic in December?
What is the month with the shortest days in Mystic?
What is the average length of the day in December in Mystic?
When are sunrise and sunset in December in Mystic?
What is the month with the least sunshine in Mystic?
How many hours of sunshine does Mystic have in December?
What is the month with the lowest UV index in Mystic?
What is the UV index intensity in December in Mystic?
Average temperature in December
Mystic, GA
- Average high temperature in December: 60.8°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).
- Average low temperature in December: 45.9°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in December
Mystic, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Mystic, GA
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Mystic, GA
- Average humidity in December: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in December
Mystic, GA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Mystic, GA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is August (20.5 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in December
Mystic, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
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
Mystic, GA
- Average snowfall days in December: 0 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, November and December (0 days).
Average daylight in December /
Average sunshine in December
Mystic, GA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Mystic, GA
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in December
Mystic, GA
- Average UV index in December: 3
The months with the highest UV index are May, 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
Mystic, GA
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Mystic, GA
- 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).
Mystic, Georgia, USA
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