January weather forecast
Rotherwood Heights, TN

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Weather in January

January, like December, in Rotherwood Heights, Tennessee, is an icy winter month, with an average temperature varying between 27.1°F (-2.7°C) and 42.4°F (5.8°C).

Temperature

In Rotherwood Heights, January is the month with the lowest recorded average temperatures, measuring a high of 42.4°F (5.8°C) and a low of 27.1°F (-2.7°C).

Humidity

In January, the average relative humidity in Rotherwood Heights is 77%.

Rainfall

In Rotherwood Heights, in January, during 9 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 147.1 rainfall days, and 23.46" (596mm) 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 5.2 days and typically aggregates up to 1.57" (40mm) of snow.

Daylight

In January, the average length of the day is 10h and 0min.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:25 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:54 pm EST.

Sunshine

January has the least sunshine of the year in Rotherwood Heights, with an average of 4.8h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 in January translates into these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

The coldest time of the year is January, with temperatures averaging a high of 42.4°F (5.8°C) and a low of 27.1°F (-2.7°C).

How cold is it in January?

In January, in Rotherwood Heights, the average high-temperature is 42.4°F (5.8°C), and the average low-temperature is 27.1°F (-2.7°C).

What is the average humidity in January?

The average relative humidity in January is 77%.

How many days does it rain in January?

In January, the rain falls for 9 days. Throughout January, 1.89" (48mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 5.2 days and typically aggregates up to 1.57" (40mm) of snow.

How many days does it snow in January?

In Rotherwood Heights, in January, during 5.2 snowfall days, 1.57" (40mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 10h and 0min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:42 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:54 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.8h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 4.8h.

When is the lowest UV index?

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

How high is the UV index in January?

In Rotherwood Heights, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Rotherwood Heights, TN

Average temperature in January - Rotherwood Heights, TN
  • Average high temperature in January: 42.4°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in January: 27.1°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in January
Rotherwood Heights, TN

Average pressure in January - Rotherwood Heights, TN
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in January
Rotherwood Heights, TN

Average wind speed in January - Rotherwood Heights, TN
  • Average wind speed in January: 6.2mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in January
Rotherwood Heights, TN

Average humidity in January - Rotherwood Heights, TN
  • Average humidity in January: 77%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).

Average rainfall in January
Rotherwood Heights, TN

Average rainfall in January - Rotherwood Heights, TN
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").

Average rainfall days in January
Rotherwood Heights, TN

Average rainfall days in January - Rotherwood Heights, TN
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).

Average snowfall in January
Rotherwood Heights, TN

Average snowfall in January - Rotherwood Heights, TN
  • Average snowfall in January: 1.57"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Rotherwood Heights, TN

Average snowfall days in January - Rotherwood Heights, 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, September and October (0 days).

Average daylight in January /
Average sunshine in January
Rotherwood Heights, TN

Average daylight in January / Average sunshine in January - Rotherwood Heights, 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 42min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in January
Rotherwood Heights, TN

Average sunshine days in January - Rotherwood Heights, TN
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in January
Rotherwood Heights, TN

Average UV index in January - Rotherwood Heights, 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
Rotherwood Heights, TN

Average cloud cover in January - Rotherwood Heights, TN
  • Average cloud cover in January: 51

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Rotherwood Heights, TN

Average visibility in January - Rotherwood Heights, TN
  • Average visibility in January: 5mi

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

Rotherwood Heights, Tennessee, USA

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