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
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a refreshing 59.4°F (15.2°C) to a fresh 52.5°F (11.4°C). During December, the temperature tends to dip to an average of 38.3°F (3.5°C) at night.Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
December is the month with the most rainfall in Shamrock Heights. Rain falls for 13.6 days and accumulates 4.25" (108mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Shamrock Heights. The month with the most snowfall in Shamrock Heights is December, when snow falls for 0.6 days and typically aggregates up to 1.54" (39mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December in Shamrock Heights, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:35 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.2h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Shamrock Heights, Georgia. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Shamrock Heights in December?
What is the most humid month in Shamrock Heights?
What is the average humidity in December in Shamrock Heights?
What is the wettest month in Shamrock Heights?
How many days does it rain in December in Shamrock Heights?
When does it snow the most in Shamrock Heights?
How many days does it snow in December in Shamrock Heights?
What is the month with the shortest days in Shamrock Heights?
How many hours of daylight does Shamrock Heights have in December?
When is the sunrise / sunset in December in Shamrock Heights?
What is the month with the least sunshine in Shamrock Heights?
How many hours of sunshine does Shamrock Heights have in December?
What is the month with the lowest UV index in Shamrock Heights?
What is the UV index reading in December in Shamrock Heights?
Average temperature in December
Shamrock Heights, GA
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Shamrock Heights, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Shamrock Heights, GA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Shamrock Heights, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July, August, October and November (73%).
Average rainfall in December
Shamrock Heights, GA
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is October (2.36").
Average rainfall days in December
Shamrock Heights, GA
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is October (10.1 days).
Average snowfall in December
Shamrock Heights, GA
- Average snowfall in December: 1.54"
The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Shamrock Heights, GA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Shamrock Heights, GA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Shamrock Heights, GA
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Shamrock Heights, GA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Shamrock Heights, GA
- Average cloud cover in December: 44
The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Shamrock Heights, GA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Shamrock Heights, Georgia, USA
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