January weather forecast and climate
Atlanta, GA

Beautiful sky and cityscape of Atlanta in Georgia, USA
Beautiful sky and cityscape of Atlanta in Georgia, USA
January, like December, in Atlanta, Georgia, is another fresh winter month, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 34.9°F (1.6°C).

Temperature

With an average high-temperature of 50.5°F (10.3°C) and an average low-temperature of 34.9°F (1.6°C), January is the coldest month.

Humidity

In Atlanta, the average relative humidity in January is 73%.

Rainfall

In January, in Atlanta, the rain falls for 8.4 days. Throughout January, 1.02" (26mm) of precipitation is accumulated. In Atlanta, during the entire year, the rain falls for 134.6 days and collects up to 14.72" (374mm) of precipitation.

Snowfall

Months with snowfall in Atlanta are January through March and December. In January, in Atlanta, it is snowing for 0.6 days. Throughout January, 0.16" (4mm) of snow is accumulated. Throughout the year, there are 2.3 snowfall days, and 0.59" (15mm) of snow is accumulated.

Daylight

The average length of the day in Atlanta is 10.2h.

Sunshine

In Atlanta, Georgia, the average sunshine in January is 5.8h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Atlanta?

With an average high-temperature of 50.5°F (10.3°C) and an average low-temperature of 34.9°F (1.6°C), January is the coldest month.

What is the temperature in January in Atlanta?

In January, in Atlanta, the average high-temperature is 50.5°F (10.3°C), and the average low-temperature is 34.9°F (1.6°C).

What is the average humidity in January in Atlanta?

In January, the average relative humidity in Atlanta is 73%.

How much does it rain in Atlanta in January?

In Atlanta, Georgia, in January, during 8.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How many days does it snow in January in Atlanta?

In Atlanta, in January, during 0.6 snowfall days, 0.16" (4mm) of snow is typically accumulated.

What is the average length of the day in January in Atlanta?

In January, the average length of the day is 10.2h.

How long on average sun shines in January in Atlanta?

The average sunshine in January is 5.8h.

What are the months with the lowest UV index in Atlanta?

Months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Atlanta?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.
Average temperature in January - Atlanta, GA
  • Average high temperature in January: 50.5°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in January: 34.9°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

Average pressure in January - Atlanta, GA
  • Average pressure in January: 30.16"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.99").

Average wind speed in January - Atlanta, GA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January - Atlanta, GA
  • Average humidity in January: 73%

The month with the highest relative humidity is December (77%).
Months with the lowest relative humidity are July and August (69%).

Average rainfall in January - Atlanta, GA
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is August (2.32").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in January - Atlanta, GA
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (6.9 days).

Average snowfall in January - Atlanta, GA
  • Average snowfall in January: 0.16"

The month with the highest snowfall is February (0.2").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January - Atlanta, GA
  • Average snowfall days in January: 0.6 days

The month with the highest number of snowfall days is February (0.9 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Atlanta, GA
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 5.8h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.1h).

Average sunshine days in January - Atlanta, GA
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in January - Atlanta, GA
  • Average UV index in January: 2

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in January - Atlanta, GA
  • Average cloud cover in January: 42

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in January - Atlanta, GA
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).