January weather forecast
Forest Mill, TN

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Weather in January

January, the same as December, in Forest Mill, Tennessee, is a frosty winter month, with an average temperature varying between 30.7°F (-0.7°C) and 45.1°F (7.3°C).

Temperature

Forest Mill's January weather, marked by an average high temperature of 45.1°F (7.3°C) and an average low temperature of 30.7°F (-0.7°C), is the coldest in the year.

Humidity

In Forest Mill, the average relative humidity in January is 77%.

Rainfall

In Forest Mill, in January, during 13.3 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Forest Mill, during the entire year, the rain falls for 183 days and collects up to 43.19" (1097mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Forest Mill, during January, snow falls for 5.2 days and regularly aggregates up to 1.3" (33mm) of snow. In Forest Mill, Tennessee, during the entire year, snow falls for 17.2 days and aggregates up to 4.53" (115mm) of snow.

Daylight

In January, the average length of the day is 10h and 5min.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:41 pm. On the last day of January, in Forest Mill, sunrise is at 6:44 am and sunset at 5:10 pm CST.

Sunshine

The average sunshine in January is 4.6h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In January, an average UV index of 2 transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January, on average, is the coldest month, registering a high temperature of 45.1°F (7.3°C) and a low of 30.7°F (-0.7°C).

What is the usual temperature for Forest Mill in January?

In January, in Forest Mill, the average high-temperature is 45.1°F (7.3°C), and the average low-temperature is 30.7°F (-0.7°C).

What is the average humidity in January?

In Forest Mill, the average relative humidity in January is 77%.

How much does it rain in January?

In January, the rain falls for 13.3 days. Throughout January, 3.46" (88mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 5.2 days. Throughout January, 1.3" (33mm) of snow is accumulated.

How many hours of daylight does Forest Mill have in January?

The average day length in January is 10h and 5min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 6:53 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 5:10 pm CST.

How many hours of sunshine does Forest Mill have in January?

The average sunshine duration in January is 4.6h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Forest Mill, TN

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

The warmest month (with the highest average high temperature) is July (86.4°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 (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in January
Forest Mill, TN

Average pressure in January - Forest Mill, 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 (29.98"Hg).

Average wind speed in January
Forest Mill, TN

Average wind speed in January - Forest Mill, TN
  • Average wind speed in January: 7.6mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in January
Forest Mill, TN

Average humidity in January - Forest Mill, TN
  • Average humidity in January: 77%

The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in January
Forest Mill, TN

Average rainfall in January - Forest Mill, TN
  • Average rainfall in January: 3.46"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in January
Forest Mill, TN

Average rainfall days in January - Forest Mill, TN
  • Average rainfall days in January: 13.3 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in January
Forest Mill, TN

Average snowfall in January - Forest Mill, TN
  • Average snowfall in January: 1.3"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Forest Mill, TN

Average snowfall days in January - Forest Mill, TN
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is January (5.2 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
Forest Mill, TN

Average daylight in January / Average sunshine in January - Forest Mill, 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: 4h and 4min

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

Average sunshine days in January
Forest Mill, TN

Average sunshine days in January - Forest Mill, TN
  • Average sunshine days in January: 13.9 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).

Average UV index in January
Forest Mill, TN

Average UV index in January - Forest Mill, 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 and December (UV index 2).

Average cloud cover in January
Forest Mill, TN

Average cloud cover in January - Forest Mill, TN
  • Average cloud cover in January: 52

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in January
Forest Mill, TN

Average visibility in January - Forest Mill, TN
  • Average visibility in January: 5mi

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

Forest Mill, Tennessee, USA

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