January weather forecast
Atlanta, LA

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Weather in January

January, the same as December, is a cool winter month in Atlanta, Louisiana, with temperature in the range of an average high of 55.2°F (12.9°C) and an average low of 39.6°F (4.2°C).

Temperature

January brings the lowest temperatures, with an average high of 55.2°F (12.9°C) and an average low of 39.6°F (4.2°C).

Humidity

In Atlanta, Louisiana, the average relative humidity in January is 79%.

Rainfall

In January, the rain falls for 8.4 days. Throughout January, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 130.3 rainfall days, and 16.42" (417mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. The month with the most snowfall is January, when snow falls for 0.6 days and typically aggregates up to 0.12" (3mm) of snow.

Daylight

In Atlanta, the average length of the day in January is 10h and 21min.
On the first day of the month, sunrise is at 7:10 am and sunset at 5:17 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:43 pm CST.

Sunshine

In Atlanta, the average sunshine in January is 5.1h.

UV index

January 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 health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 3 in January translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What are the coldest months?

In Atlanta, January is the coldest month, with temperatures averaging a high of 55.2°F (12.9°C) and a low of 39.6°F (4.2°C).

What is the average January temperature?

In Atlanta, 55.2°F (12.9°C) is the average high-temperature and 39.6°F (4.2°C) is the average low-temperature during January.

What is the average humidity in January?

In January, the average relative humidity is 79%.

How much does it rain in January?

In Atlanta, in January, it is raining for 8.4 days, with typically 1.26" (32mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 0.6 days and accumulates 0.12" (3mm) of snow.

How many days does it snow in January?

In Atlanta, during January, snow falls for 0.6 days and regularly aggregates up to 0.12" (3mm) of snow.

What is the average length of the day in January?

The average day length in January is 10h and 21min.

What time are sunrise and sunset in January in Atlanta?

On the first day of January, sunrise is at 7:10 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:43 pm CST.

How many hours of sunshine does Atlanta have in January?

In January, the average sunshine duration is 5.1h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

How high is the UV index in January?

In Atlanta, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Atlanta, LA

Average temperature in January - Atlanta, LA
  • Average high temperature in January: 55.2°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is January (55.2°F).

  • Average low temperature in January: 39.6°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

Average pressure in January
Atlanta, LA

Average pressure in January - Atlanta, LA
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Atlanta, LA

Average wind speed in January - Atlanta, LA
  • Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

Average humidity in January
Atlanta, LA

Average humidity in January - Atlanta, LA
  • Average humidity in January: 79%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Atlanta, LA

Average rainfall in January - Atlanta, LA
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in January
Atlanta, LA

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

The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in January
Atlanta, LA

Average snowfall in January - Atlanta, LA
  • Average snowfall in January: 0.12"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Atlanta, LA

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

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Atlanta, LA

Average daylight in January / Average sunshine in January - Atlanta, LA
  • Average daylight in January: 10h and 2min

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 January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in January
Atlanta, LA

Average sunshine days in January - Atlanta, LA
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is August (13.2 days).

Average UV index in January
Atlanta, LA

Average UV index in January - Atlanta, LA
  • Average UV index in January: 3

The months with the highest UV index are 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 January
Atlanta, LA

Average cloud cover in January - Atlanta, LA
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in January
Atlanta, LA

Average visibility in January - Atlanta, LA
  • Average visibility in January: 5mi

The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).

Atlanta, Louisiana, USA

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