January weather forecast
Maryville, TN

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Weather in January

Despite being one of Tennessee’s colder months, January in Maryville does show some milder days. The weather can range from moderately chilly to a deep freeze. Precipitations are common during the first month of the year. January has an average of 1.3" (33mm) of rainfall and record low temperatures that drop to 29.5°F (-1.4°C). The days in January are short, keeping the city of Maryville in darkness for more hours than most months.

Temperature

January is the coldest month in Maryville, exhibiting average temperatures of 44.8°F (7.1°C) at the peak and 29.5°F (-1.4°C) at the base.

Humidity

In January, the average relative humidity is 76%.

Rainfall

In Maryville, in January, during 11.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October through December. In Maryville, in January, during 5.4 snowfall days, 0.87" (22mm) of snow is typically accumulated. In Maryville, during the entire year, snow falls for 18.9 days and aggregates up to 3.58" (91mm) of snow.

Daylight

In Maryville, Tennessee, the average length of the day in January is 10h and 4min.
On the first day of the month, sunrise is at 7:45 am and sunset at 5:32 pm. On the last day of January, sunrise is at 7:36 am and sunset at 6:01 pm EST.

Sunshine

With an average of 5.1h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during January translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

What time of the year is the coldest?

Maryville, Tennessee, witnesses the coldest weather in January, with temperatures averaging a high of 44.8°F (7.1°C) and a low of 29.5°F (-1.4°C).

What is the temperature in January?

In January, the average high-temperature and low-temperature are 44.8°F (7.1°C) and 29.5°F (-1.4°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 76%.

How many days does it rain in January?

In Maryville, in January, during 11.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Maryville, in January, during 5.4 snowfall days, 0.87" (22mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January is 10h and 4min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:45 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:01 pm EST.

What is the month with the least sunshine?

With an average of 5.1h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Maryville have in January?

In Maryville, the average sunshine duration in January is 5.1h.

When is the lowest UV index?

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

What is the UV index intensity in January in Maryville?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Maryville, TN

Average temperature in January - Maryville, TN
  • Average high temperature in January: 44.8°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in January: 29.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in January
Maryville, TN

Average pressure in January - Maryville, TN
  • Average pressure in January: 30.16"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in January
Maryville, TN

Average wind speed in January - Maryville, TN
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in January
Maryville, TN

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

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in January
Maryville, TN

Average rainfall in January - Maryville, TN
  • Average rainfall in January: 1.3"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in January
Maryville, TN

Average rainfall days in January - Maryville, TN
  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in January
Maryville, TN

Average snowfall in January - Maryville, TN
  • Average snowfall in January: 0.87"

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

Average snowfall days in January
Maryville, TN

Average snowfall days in January - Maryville, TN
  • Average snowfall days in January: 5.4 days

The month with the highest number of snowfall days is January (5.4 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
Maryville, TN

Average daylight in January / Average sunshine in January - Maryville, TN
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in January
Maryville, TN

Average sunshine days in January - Maryville, TN
  • Average sunshine days in January: 16 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in January
Maryville, TN

Average UV index in January - Maryville, TN
  • Average UV index in January: 2

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 and December (UV index 2).

Average cloud cover in January
Maryville, TN

Average cloud cover in January - Maryville, TN
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in January
Maryville, TN

Average visibility in January - Maryville, TN
  • Average visibility in January: 5mi

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

Maryville, Tennessee, USA

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