December weather forecastHillsboro, GA
December
Weather in December
December, the first month of the winter in Hillsboro, is still a mild month, with temperature in the range of an average low of 41°F (5°C) and an average high of 55.8°F (13.2°C).Temperature
The arrival of December signals a subtle shift in temperature, down from an enjoyable 62.4°F (16.9°C) in November to a moderate 55.8°F (13.2°C). December is noted for a mean low-temperature of 41°F (5°C).Humidity
The most humid month in Hillsboro is December, with an average relative humidity of 77%.Rainfall
In Hillsboro, Georgia, in December, it is raining for 8.9 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Hillsboro, there are 120.7 rainfall days, and 12.76" (324mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Hillsboro. The months with the most snowfall in Hillsboro are January through March and December, with an average 0.04" (1mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 5:27 pm. On the last day of December, in Hillsboro, sunrise is at 7:37 am and sunset at 5:37 pm EST.
Sunshine
December has the least sunshine of the year in Hillsboro, with an average of 5.3h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hillsboro, GA
- Average high temperature in December: 55.8°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.5°F).
- Average low temperature in December: 41°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in December
Hillsboro, 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 (29.98"Hg).
Average wind speed in December
Hillsboro, GA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Hillsboro, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in December
Hillsboro, GA
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Hillsboro, GA
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in December
Hillsboro, GA
- Average snowfall in December: 0.04"
The months with the highest snowfall are January, February, March and December (0.04").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Hillsboro, GA
- Average snowfall days in December: 0.4 days
The months with the highest number of snowfall days are February and December (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Hillsboro, GA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 18min
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 18min).
Average sunshine days in December
Hillsboro, GA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Hillsboro, GA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Hillsboro, GA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Hillsboro, 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).





