Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the coldest month of the year, registering average temperatures as high as 45.1°F (7.3°C) and as low as 30.9°F (-0.6°C).Humidity
The average relative humidity in January is 76%.Rainfall
In Harpeth Hills, in January, it is raining for 12.6 days, with typically 2.91" (74mm) of accumulated precipitation. In Harpeth Hills, 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 Harpeth Hills, in January, snow falls for 2.8 days, with typically accumulated 0.55" (14mm) of snow. In Harpeth Hills, during the entire year, snow falls for 11.4 days and aggregates up to 3.35" (85mm) of snow.Daylight
The average length of the day in January is 10h and 2min.On the first day of the month, sunrise is at 6:58 am and sunset at 4:43 pm. On the last day of January, in Harpeth Hills, sunrise is at 6:48 am and sunset at 5:12 pm CST.
Sunshine
In Harpeth Hills, the average sunshine in January is 4.7h.UV index
The months with the lowest UV index in Harpeth Hills, Tennessee, are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Harpeth Hills?
What is the average January temperature in Harpeth Hills?
What is the average humidity in January in Harpeth Hills?
How much does it rain in Harpeth Hills in January?
How many days does it snow in January in Harpeth Hills?
What is the average length of the day in January in Harpeth Hills?
When is the sunrise / sunset in January in Harpeth Hills?
How many hours of sunshine does Harpeth Hills have in January?
What is the month with the lowest UV index in Harpeth Hills?
How high is the UV index in January in Harpeth Hills?
Average temperature in January
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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
Harpeth Hills, 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).
Harpeth Hills, Tennessee, USA
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