January weather forecast
Norcross, GA

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Weather in January

January, the same as December, in Norcross, Georgia, is a frosty winter month, with an average temperature varying between 34.3°F (1.3°C) and 49.6°F (9.8°C).

Temperature

January, known for its average high temperature of 49.6°F (9.8°C) and an average low temperature of 34.3°F (1.3°C), is the coldest month.

Humidity

The average relative humidity in January is 73%.

Rainfall

The months with the least rainfall are January and October Rain falls for 10.7 days and accumulates 1.34" (34mm) of rain.

Snowfall

January through March, November and December are months with snowfall in Norcross. January is the month with the most snowfall in Norcross, Georgia. Snow falls for 1.1 days and accumulates 0.31" (8mm) of snow.

Daylight

In Norcross, the average length of the day in January is 10h and 12min.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:38 pm. On the last day of January, in Norcross, sunrise is at 7:34 am and sunset at 6:06 pm EST.

Sunshine

In January, the average sunshine is 5.6h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Norcross. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What month is the coldest in Norcross?

In Norcross, Georgia, the average lowest temperatures are observed in January, with a high of 49.6°F (9.8°C) and a low of 34.3°F (1.3°C).

What is the temperature in January in Norcross?

The average high-temperature, in January, in Norcross, is 49.6°F (9.8°C), while the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in January in Norcross?

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

What is the driest month in Norcross?

January and October are months with the least rain in Norcross when the rain falls for 10.7 days and typically aggregates up to 1.34" (34mm) of rain.

How much does it rain in Norcross in January?

In January, in Norcross, the rain falls for 10.7 days. Throughout January, 1.34" (34mm) of precipitation is accumulated.

What is the snowiest month in Norcross?

The month with the most snowfall is January, when snow falls for 1.1 days and typically aggregates up to 0.31" (8mm) of snow.

How many days does it snow in January in Norcross?

In Norcross, Georgia, in January, snow falls for 1.1 days, with typically accumulated 0.31" (8mm) of snow.

How many hours of daylight does Norcross have in January?

In January, the average day length in Norcross is 10h and 12min.

When are sunrise and sunset in January in Norcross?

On the first day of January in Norcross, sunrise is at 7:42 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:06 pm EST.

How long on average sun shines in January in Norcross?

In Norcross, the average sunshine duration in January is 5.6h.

What is the month with the lowest UV index in Norcross?

The months with the lowest UV index in Norcross, Georgia, are January and December, with an average maximum UV index of 2.

What is the UV index reading in January in Norcross?

In January, the average daily maximum UV index in Norcross is 2. A UV Index of 2, and less, symbolizes a minimal 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
Norcross, GA

Average temperature in January - Norcross, GA
  • Average high temperature in January: 49.6°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 (49.6°F).

  • Average low temperature in January: 34.3°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure in January
Norcross, GA

Average pressure in January - Norcross, 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 (29.99"Hg).

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Average wind speed in January
Norcross, GA

Average wind speed in January - Norcross, 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 (4.6mph).

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Average humidity in January
Norcross, GA

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

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in January
Norcross, GA

Average rainfall in January - Norcross, GA
  • Average rainfall in January: 1.34"

The wettest month (with the highest rainfall) is August (3.58").
The driest months (with the least rainfall) are January and October (1.34").

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Average rainfall days in January
Norcross, GA

Average rainfall days in January - Norcross, GA
  • Average rainfall days in January: 10.7 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (8.6 days).

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Average snowfall in January
Norcross, GA

Average snowfall in January - Norcross, GA
  • Average snowfall in January: 0.31"

The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Norcross, GA

Average snowfall days in January - Norcross, GA
  • Average snowfall days in January: 1.1 days

The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in January: 5h and 4min

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 0min).

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Average sunshine days in January
Norcross, GA

Average sunshine days in January - Norcross, GA
  • Average sunshine days in January: 18.9 days

The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in January
Norcross, GA

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

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

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Average cloud cover in January
Norcross, GA

Average cloud cover in January - Norcross, GA
  • Average cloud cover in January: 43

The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in January
Norcross, GA

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

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Norcross, Georgia, USA

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