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
December reveals a small adjustment in temperature, transitioning from an average high of a moderate 58.8°F (14.9°C) in November to a cool 50.9°F (10.5°C). Summit Hill records an average nighttime low-temperature of 36.5°F (2.5°C) throughout December.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Summit Hill, during December, the rain falls for 12.2 days and regularly aggregates up to 3.94" (100mm) of precipitation. In Summit Hill, Georgia, during the entire year, the rain falls for 172.4 days and collects up to 40.67" (1033mm) of precipitation.Snowfall
Months with snowfall in Summit Hill are January through April, November and December. In December, it is snowing for 1.5 days. Throughout December, 0.28" (7mm) of snow is accumulated. In Summit Hill, during the entire year, snow falls for 8 days and aggregates up to 2.36" (60mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Summit Hill have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Summit Hill, GA
- Average high temperature in December: 50.9°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 (46.9°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Summit Hill, GA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Summit Hill, GA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Summit Hill, GA
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are August, October and November (74%).
Average rainfall in December
Summit Hill, GA
- Average rainfall in December: 3.94"
The wettest month (with the highest rainfall) is July (4.06").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Summit Hill, GA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Summit Hill, GA
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Summit Hill, GA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Summit Hill, GA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Summit Hill, GA
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in December
Summit Hill, 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
Summit Hill, GA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Summit Hill, GA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Summit Hill, Georgia, USA
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