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
In December, the average high-temperature marginally drops from 67.8°F (19.9°C) in November to a still enjoyable 62.2°F (16.8°C). An average low-temperature of 48.9°F (9.4°C) is recorded in the month of December.Humidity
The months with the highest humidity in Richmond Hill are August and December, with an average relative humidity of 77%.Rainfall
In December, in Richmond Hill, the rain falls for 10.5 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Richmond Hill, Georgia, there are 148.4 rainfall days, and 27.13" (689mm) of precipitation is accumulated.Snowfall
December is the only month when snow falls in Richmond Hill, Georgia. December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.Daylight
The month with the shortest days in Richmond Hill, Georgia, is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:25 am and sunset at 5:31 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Richmond Hill.UV index
In Richmond Hill, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Richmond Hill?
What is the most humid month in Richmond Hill?
What is the average humidity in December in Richmond Hill?
How much does it rain in Richmond Hill in December?
What is the snowiest month in Richmond Hill?
When does it start snowing in Richmond Hill?
What is the month with the shortest days in Richmond Hill?
What is the average length of the day in December in Richmond Hill?
When are sunrise and sunset in December in Richmond Hill?
What is the month with the least sunshine in Richmond Hill?
How long on average sun shines in December in Richmond Hill?
What is the UV index intensity in December in Richmond Hill?
Average temperature in December
Richmond Hill, GA
- Average high temperature in December: 62.2°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 (58.6°F).
- Average low temperature in December: 48.9°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in December
Richmond Hill, GA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Richmond Hill, GA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Richmond Hill, GA
- Average humidity in December: 77%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in December
Richmond Hill, GA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is August (3.43").
The driest months (with the least rainfall) are January and November (1.42").
Average rainfall days in December
Richmond Hill, GA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in December
Richmond Hill, GA
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Richmond Hill, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Richmond Hill, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Richmond Hill, GA
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in December
Richmond Hill, GA
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Richmond Hill, GA
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Richmond Hill, 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).
Richmond Hill, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location