January weather forecast
West Harpeth, TN

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Weather in January

January, the same as December, in West Harpeth, Tennessee, is another chilly winter month, with an average temperature varying between 30.9°F (-0.6°C) and 45.1°F (7.3°C).

Temperature

West Harpeth experiences its lowest temperatures in January, with an average peak of 45.1°F (7.3°C) and a low of 30.9°F (-0.6°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In West Harpeth, during January, the rain falls for 12.6 days and regularly aggregates up to 2.91" (74mm) of precipitation. In West Harpeth, during the entire year, the rain falls for 176.6 days and collects up to 38.94" (989mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in West Harpeth. In West Harpeth, in January, during 2.8 snowfall days, 0.55" (14mm) of snow is typically accumulated. Throughout the year, there are 11.4 snowfall days, and 3.35" (85mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h and 4min.
On the first day of January, sunrise is at 6:57 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:13 pm CST.

Sunshine

In West Harpeth, the average sunshine in January is 4.7h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun is at its strongest around midday, find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jun 16, 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 period is January, when temperatures fluctuate between an average high of 45.1°F (7.3°C) and a low of 30.9°F (-0.6°C).

What is the temperature in January?

The average high-temperature, in January, in West Harpeth, is 45.1°F (7.3°C), while the average low-temperature is 30.9°F (-0.6°C).

What is the average humidity in January?

In West Harpeth, Tennessee, the average relative humidity in January is 76%.

How much does it rain in January?

In January, the rain falls for 12.6 days. Throughout January, 2.91" (74mm) of precipitation is accumulated.

How many days does it snow in January?

In West Harpeth, in January, snow falls for 2.8 days, with typically accumulated 0.55" (14mm) of snow.

How many hours of daylight does West Harpeth have in January?

In West Harpeth, the average day length in January is 10h and 4min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 6:57 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:13 pm CST.

How long on average sun shines in January?

In January, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In West Harpeth, the average daily maximum UV index in January is 2. A UV Index reading 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
West Harpeth, TN

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

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in January: 30.9°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in January
West Harpeth, TN

Average pressure in January - West Harpeth, 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
West Harpeth, TN

Average wind speed in January - West Harpeth, TN
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in January
West Harpeth, TN

Average humidity in January - West Harpeth, TN
  • Average humidity in January: 76%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are October and November (74%).

Average rainfall in January
West Harpeth, TN

Average rainfall in January - West Harpeth, TN
  • Average rainfall in January: 2.91"

The wettest month (with the highest rainfall) is July (4.37").
The driest months (with the least rainfall) are September and November (2.36").

Average rainfall days in January
West Harpeth, TN

Average rainfall days in January - West Harpeth, TN
  • Average rainfall days in January: 12.6 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10 days).

Average snowfall in January
West Harpeth, TN

Average snowfall in January - West Harpeth, TN
  • Average snowfall in January: 0.55"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
West Harpeth, TN

Average snowfall days in January - West Harpeth, TN
  • Average snowfall days in January: 2.8 days

The month with the highest number of snowfall days is February (3.9 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
West Harpeth, TN

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

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 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in January
West Harpeth, TN

Average sunshine days in January - West Harpeth, TN
  • Average sunshine days in January: 15.4 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in January
West Harpeth, TN

Average UV index in January - West Harpeth, 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
West Harpeth, TN

Average cloud cover in January - West Harpeth, TN
  • Average cloud cover in January: 51

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in January
West Harpeth, TN

Average visibility in January - West Harpeth, 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).

West Harpeth, Tennessee, USA

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