January weather forecast
Smyrna, TN

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Weather in January

Smyrna, Tennessee starts off the year wrapped in a winter chill, with thick clouds gracing the sky a notable 52% of the time. Light winds, around 7.7mph (12.4km/h), can make the cold a touch brisker, while the chance of snow is ever-present, reaching 0.71" (18mm) in accumulation. Conditions often vacillate between wet and dry; the wind carrying delicate snowflakes one day and transformative sunshine the next. The blanket of clouds is quite generous in providing cover from the more severe cold during the nights, but they can make the daylight hours look rather dreary.

Temperature

Smyrna's January weather, with an average high temperature of 45.1°F (7.3°C) and an average low temperature of 30.7°F (-0.7°C), tends to be the coldest of the year.

Humidity

The average relative humidity in January in Smyrna is 76%.

Rainfall

In Smyrna, in January, it is raining for 10 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 150.1 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 3.5 days and typically aggregates up to 0.71" (18mm) of snow.

Daylight

In Smyrna, the average length of the day in January is 10h and 2min.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:42 pm. On the last day of January, sunrise is at 6:47 am and sunset at 5:11 pm CST.

Sunshine

The average sunshine in January is 4.5h.

UV index

The average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 3 in January leads to these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What month is the coldest in Smyrna?

January is the month that records the lowest temperatures, with averages ranging from a high of 45.1°F (7.3°C) to a low of 30.7°F (-0.7°C).

What are January temperatures?

The high-temperature, in January, in Smyrna, records 45.1°F (7.3°C), while the low-temperature is 30.7°F (-0.7°C).

What is the average humidity in January?

The average relative humidity in January is 76%.

How much does it rain in January?

In Smyrna, in January, it is raining for 10 days, with typically 1.97" (50mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall in Smyrna is January, when snow falls for 3.5 days and typically aggregates up to 0.71" (18mm) of snow.

How many days does it snow in January?

In Smyrna, in January, snow falls for 3.5 days, with typically accumulated 0.71" (18mm) of snow.

How many hours of daylight does Smyrna have in January?

In Smyrna, the average day length in January is 10h and 2min.

When is the sunrise / sunset in January in Smyrna?

In January, on the first day of the month, sunrise is at 6:56 am and sunset at 4:42 pm. On the last day of the month, in Smyrna, Tennessee, sunrise is at 6:47 am and sunset at 5:11 pm CST.

How many hours of sunshine does Smyrna have in January?

In Smyrna, Tennessee, the average sunshine duration in January is 4.5h.

What is the UV index intensity in January?

The average daily maximum UV index in January in Smyrna is 3. A UV Index estimate 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
Smyrna, TN

Average temperature in January - Smyrna, TN
  • Average high temperature in January: 45.1°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in January: 30.7°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in January
Smyrna, TN

Average pressure in January - Smyrna, TN
  • 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 (29.97"Hg).

Average wind speed in January
Smyrna, TN

Average wind speed in January - Smyrna, TN
  • Average wind speed in January: 7.7mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January
Smyrna, TN

Average humidity in January - Smyrna, TN
  • Average humidity in January: 76%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).

Average rainfall in January
Smyrna, TN

Average rainfall in January - Smyrna, TN
  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in January
Smyrna, TN

Average rainfall days in January - Smyrna, TN
  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in January
Smyrna, TN

Average snowfall in January - Smyrna, TN
  • Average snowfall in January: 0.71"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Smyrna, TN

Average snowfall days in January - Smyrna, TN
  • Average snowfall days in January: 3.5 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Smyrna, TN

Average daylight in January / Average sunshine in January - Smyrna, TN
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 4h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in January
Smyrna, TN

Average sunshine days in January - Smyrna, TN
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in January
Smyrna, TN

Average UV index in January - Smyrna, TN
  • 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 February and December (UV index 2).

Average cloud cover in January
Smyrna, TN

Average cloud cover in January - Smyrna, TN
  • Average cloud cover in January: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in January
Smyrna, TN

Average visibility in January - Smyrna, TN
  • 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).

Smyrna, Tennessee, USA

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