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 shift from November to December coincides with a small decrease in the average high-temperature, down to a fresh 54.5°F (12.5°C) from a refreshing 61.3°F (16.3°C). Throughout December, Diamond Hill experiences a low-temperature average of 39.7°F (4.3°C).Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 13.3 days and typically aggregates up to 3.86" (98mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 2.9 snowfall days, and 1.46" (37mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:21 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:34 pm EST.
Sunshine
December has the least sunshine of the year in Diamond Hill, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index in Diamond Hill are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Diamond Hill have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Diamond Hill, GA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (51.1°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Diamond Hill, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Diamond Hill, GA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Diamond Hill, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, October and November (72%).
Average rainfall in December
Diamond Hill, GA
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Diamond Hill, GA
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is August (17.7 days).
The months with the least rainy days are October and November (9.4 days).
Average snowfall in December
Diamond Hill, GA
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Diamond Hill, GA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Diamond Hill, 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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Diamond Hill, GA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Diamond Hill, GA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Diamond Hill, 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 30).
Average visibility in December
Diamond Hill, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Diamond Hill, Georgia, USA
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