January weather forecast
Smyrna, GA

Weather in January

January, like December, is a frosty winter month in Smyrna, Georgia, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 34.2°F (1.2°C).

Temperature

January is the coldest month, with an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.2°F (1.2°C).

Humidity

The average relative humidity in January is 74%.

Rainfall

In January, in Smyrna, the rain falls for 12.3 days. Throughout January, 3.23" (82mm) of precipitation is accumulated. Throughout the year, there are 177.1 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. January is the month with the most snowfall. Snow falls for 1.6 days and accumulates 0.98" (25mm) of snow.

Daylight

In Smyrna, Georgia, the average length of the day in January is 10h and 12min.
On the first day of January, sunrise is at 7:43 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:07 pm EST.

Sunshine

In January, the average sunshine in Smyrna is 5.6h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in January interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Smyrna?

The coldest month in Smyrna is January, with an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.2°F (1.2°C).

What is the temperature in January in Smyrna?

The average high-temperature, in January, in Smyrna, is 49.6°F (9.8°C), while the average low-temperature is 34.2°F (1.2°C).

What is the average humidity in January in Smyrna?

In January, the average relative humidity is 74%.

How much does it rain in Smyrna in January?

In January, in Smyrna, the rain falls for 12.3 days. Throughout January, 3.23" (82mm) of precipitation is accumulated.

What is the snowiest month in Smyrna?

January is the month with the most snowfall in Smyrna, Georgia. Snow falls for 1.6 days and accumulates 0.98" (25mm) of snow.

How much does it snow in Smyrna in January?

In Smyrna, in January, snow falls for 1.6 days, with typically accumulated 0.98" (25mm) of snow.

How many hours of daylight does Smyrna have in January?

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

What time are sunrise and sunset in January in Smyrna?

On the first day of January, sunrise is at 7:43 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:07 pm EST.

How long on average sun shines in January in Smyrna?

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

When is the lowest UV index in Smyrna?

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

How high is the UV index in January in Smyrna?

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

Average temperature in January
Smyrna, GA

Average temperature in January - Smyrna, GA
  • Average high temperature in January: 49.6°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in January: 34.2°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

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Average pressure in January
Smyrna, GA

Average pressure in January - Smyrna, 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
Smyrna, GA

Average wind speed in January - Smyrna, GA
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in January
Smyrna, GA

Average humidity in January - Smyrna, GA
  • Average humidity in January: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in January
Smyrna, GA

Average rainfall in January - Smyrna, GA
  • Average rainfall in January: 3.23"

The wettest month (with the highest rainfall) is August (4.88").
The driest month (with the least rainfall) is October (2.24").

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Average rainfall days in January
Smyrna, GA

Average rainfall days in January - Smyrna, GA
  • Average rainfall days in January: 12.3 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in January
Smyrna, GA

Average snowfall in January - Smyrna, GA
  • Average snowfall in January: 0.98"

The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Smyrna, GA

Average snowfall days in January - Smyrna, GA
  • Average snowfall days in January: 1.6 days

The month with the highest number of snowfall days is January (1.6 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
Smyrna, GA

Average daylight in January / Average sunshine in January - Smyrna, GA
  • Average daylight in January: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 56min).

  • Average sunshine in January: 5h and 36min

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
Smyrna, GA

Average sunshine days in January - Smyrna, GA
  • Average sunshine days in January: 16 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in January
Smyrna, GA

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in January
Smyrna, GA

Average cloud cover in January - Smyrna, GA
  • Average cloud cover in January: 44

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in January
Smyrna, GA

Average visibility in January - Smyrna, 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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