January weather forecast
Newnan, GA

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Weather in January

The arrival of January in Newnan, Georgia sees the city gripped by winter's cold, setting a particularly chilly tone for the year. It distinguishes itself as the month with the lowest maximum temperature, at a meager 51.8°F (11°C). While the frost may be harsh, the sunshine offers some respite, brightening most days. Lack of snowfall during this period keeps severe winter conditions at bay. The relative humidity registers on the higher side, imbuing the air with a noticeable dampness.

Temperature

January, with average temperatures reaching a high of 51.8°F (11°C) and a low of 35.4°F (1.9°C), is the coldest month.

Humidity

The average relative humidity in January in Newnan is 73%.

Rainfall

In Newnan, in January, during 7.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Newnan, during the entire year, the rain falls for 109.8 days and collects up to 8.82" (224mm) of precipitation.

Snowfall

January and March are months with snowfall. The months with the most snowfall are January and March, with an average 0.04" (1mm) of accumulated snow.

Daylight

In Newnan, the average length of the day in January is 10h and 14min.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:42 pm. On the last day of January, sunrise is at 7:35 am and sunset at 6:09 pm EST.

Sunshine

In Newnan, the average sunshine in January is 6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 in January converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January stands out as Newnan's coldest month, with temperatures ranging between an average high of 51.8°F (11°C) and a low of 35.4°F (1.9°C).

What are the temperatures in January?

The high-temperature, in January, in Newnan, records 51.8°F (11°C), while the low-temperature is 35.4°F (1.9°C).

What is the average humidity in January?

The average relative humidity in January is 73%.

How many days does it rain in January?

In Newnan, in January, it is raining for 7.4 days, with typically 0.67" (17mm) of accumulated precipitation.

What is the snowiest month?

The months with the most snowfall are January and March, with an average 0.04" (1mm) of accumulated snow.

When does it start to snow?

January is the first month it typically snows. Throughout January, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in January?

In January, the average day length is 10h and 14min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:42 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:09 pm EST.

How long on average sun shines in January?

In Newnan, Georgia, the average sunshine duration in January is 6h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

The average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Newnan, GA

Average temperature in January - Newnan, GA
  • Average high temperature in January: 51.8°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (51.8°F).

  • Average low temperature in January: 35.4°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in January
Newnan, GA

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

Average wind speed in January - Newnan, GA
  • Average wind speed in January: 7.8mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in January
Newnan, GA

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

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).

Average rainfall in January
Newnan, GA

Average rainfall in January - Newnan, GA
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in January
Newnan, GA

Average rainfall days in January - Newnan, GA
  • Average rainfall days in January: 7.4 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is October (5.2 days).

Average snowfall in January
Newnan, GA

Average snowfall in January - Newnan, GA
  • Average snowfall in January: 0.04"

The months with the highest snowfall are January and March (0.04").
The months with the least snowfall are February, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in January
Newnan, GA

Average snowfall days in January - Newnan, GA
  • Average snowfall days in January: 0.4 days

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

Average daylight in January /
Average sunshine in January
Newnan, GA

Average daylight in January / Average sunshine in January - Newnan, GA
  • Average daylight in January: 10h and 1min

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 January: 6h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in January
Newnan, GA

Average sunshine days in January - Newnan, GA
  • Average sunshine days in January: 21.8 days

The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in January
Newnan, GA

Average UV index in January - Newnan, GA
  • Average UV index in January: 3

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in January
Newnan, GA

Average cloud cover in January - Newnan, GA
  • Average cloud cover in January: 41

The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June, September and October (Cloud cover 31).

Average visibility in January
Newnan, GA

Average visibility in January - Newnan, GA
  • Average visibility in January: 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).

Newnan, Georgia, USA

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