January weather forecast
Atlanta, IN

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Weather in January

January, the same as December, is another cold winter month in Atlanta, Indiana, with an average temperature fluctuating between 20.1°F (-6.6°C) and 32°F (0°C).

Temperature

January is Atlanta's coldest month, registering average high temperatures of 32°F (0°C) and lows of 20.1°F (-6.6°C).

Humidity

January and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In January, in Atlanta, Indiana, the rain falls for 7.8 days. Throughout January, 2.28" (58mm) of precipitation is accumulated. In Atlanta, during the entire year, the rain falls for 164 days and collects up to 32.72" (831mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Atlanta, in January, snow falls for 10.9 days, with typically accumulated 3.54" (90mm) of snow. Throughout the year, there are 37 snowfall days, and 13.43" (341mm) of snow is accumulated.

Daylight

In Atlanta, Indiana, the average length of the day in January is 9h and 42min.
On the first day of January, sunrise is at 8:06 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 6:00 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.7h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during January translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the coldest time of year in Atlanta?

January is the coldest month of the year, registering average temperatures as high as 32°F (0°C) and as low as 20.1°F (-6.6°C).

How cold is it in Atlanta in January?

The high-temperature in Atlanta, Indiana, during January is 32°F (0°C) and the low-temperature is 20.1°F (-6.6°C).

What is the most humid month in Atlanta?

The months with the highest humidity are January and December, with an average relative humidity of 83%.

What is the average humidity in January in Atlanta?

In Atlanta, Indiana, the average relative humidity in January is 83%.

How many days does it rain in January in Atlanta?

In January, in Atlanta, Indiana, the rain falls for 7.8 days. Throughout January, 2.28" (58mm) of precipitation is accumulated.

How many days does it snow in January in Atlanta?

In Atlanta, Indiana, during January, snow falls for 10.9 days and regularly aggregates up to 3.54" (90mm) of snow.

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

In January, the average day length in Atlanta, Indiana, is 9h and 42min.

When is the sunrise / sunset in January in Atlanta?

In January, on the first day of the month, sunrise is at 8:06 am and sunset at 5:28 pm. On the last day of the month, in Atlanta, sunrise is at 7:53 am and sunset at 6:00 pm EST.

What is the month with the least sunshine in Atlanta?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

How many hours of sunshine does Atlanta have in January?

In January, the average sunshine duration in Atlanta, Indiana, is 3.7h.

How high is the UV index in January in Atlanta?

In Atlanta, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
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, IN

Average temperature in January - Atlanta, IN
  • Average high temperature in January: 32°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in January: 20.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in January
Atlanta, IN

Average pressure in January - Atlanta, IN
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Atlanta, IN

Average wind speed in January - Atlanta, IN
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in January
Atlanta, IN

Average humidity in January - Atlanta, IN
  • Average humidity in January: 83%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Atlanta, IN

Average rainfall in January - Atlanta, IN
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in January
Atlanta, IN

Average rainfall days in January - Atlanta, IN
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in January
Atlanta, IN

Average snowfall in January - Atlanta, IN
  • Average snowfall in January: 3.54"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Atlanta, IN

Average snowfall days in January - Atlanta, IN
  • Average snowfall days in January: 10.9 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Atlanta, IN
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 3h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Atlanta, IN

Average sunshine days in January - Atlanta, IN
  • Average sunshine days in January: 13.4 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (8.3 days).

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Average UV index in January
Atlanta, IN

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

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Atlanta, IN

Average cloud cover in January - Atlanta, IN
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Atlanta, IN

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

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

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Atlanta, Indiana, USA

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