December weather forecastHartsfield, GA
December
Weather in December
December, the first month of the winter in Hartsfield, is still a comfortable month, with an average temperature ranging between min 46°F (7.8°C) and max 61.9°F (16.6°C).Temperature
As December arrives, Hartsfield's weather displays a minor decrease in high-temperatures, transitioning from November's 67.6°F (19.8°C) to a still enjoyable 61.9°F (16.6°C). In December, Hartsfield's temperature tends to fall to an average low of 46°F (7.8°C) during the night.Humidity
In Hartsfield, the average relative humidity in December is 77%.Rainfall
In Hartsfield, in December, during 8.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Hartsfield, during the entire year, the rain falls for 145.6 days and collects up to 15.94" (405mm) of precipitation.Snowfall
In Hartsfield, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:44 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hartsfield, GA
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in December: 46°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in December
Hartsfield, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Hartsfield, GA
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are January and March (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in December
Hartsfield, GA
- Average humidity in December: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are May and November (71%).
Average rainfall in December
Hartsfield, GA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (2.4").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in December
Hartsfield, GA
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is August (22 days).
The month with the least rainy days is November (5.9 days).
Average snowfall in December
Hartsfield, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Hartsfield, 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 February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Hartsfield, GA
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Hartsfield, GA
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is August (6.2 days).
Average UV index in December
Hartsfield, GA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Hartsfield, GA
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and October (Cloud cover 28).
Average visibility in December
Hartsfield, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
