January weather forecastHarpeth Valley, TN
January
Weather in January
January, the same as December, in Harpeth Valley, Tennessee, is another chilly winter month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 43.9°F (6.6°C).Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 43.9°F (6.6°C) to a low of 30.4°F (-0.9°C).Humidity
In Harpeth Valley, Tennessee, the average relative humidity in January is 76%.Rainfall
In Harpeth Valley, in January, it is raining for 12.1 days, with typically 2.6" (66mm) of accumulated precipitation. In Harpeth Valley, during the entire year, the rain falls for 173.2 days and collects up to 38.03" (966mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Harpeth Valley. In Harpeth Valley, Tennessee, in January, during 3.3 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Harpeth Valley, during the entire year, snow falls for 11.4 days and aggregates up to 3.86" (98mm) of snow.Daylight
In January, the average length of the day in Harpeth Valley is 10h and 2min.On the first day of the month, sunrise is at 6:59 am and sunset at 4:44 pm. On the last day of January, in Harpeth Valley, Tennessee, sunrise is at 6:50 am and sunset at 5:13 pm CST.
Sunshine
The average sunshine in January in Harpeth Valley is 4.7h.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 threat to health from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Harpeth Valley, TN
- Average high temperature in January: 43.9°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in January: 30.4°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in January
Harpeth Valley, 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 (29.96"Hg).
Average wind speed in January
Harpeth Valley, TN
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Harpeth Valley, TN
- Average humidity in January: 76%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Harpeth Valley, TN
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in January
Harpeth Valley, TN
- Average rainfall days in January: 12.1 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in January
Harpeth Valley, TN
- Average snowfall in January: 0.83"
The month with the highest snowfall is March (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Harpeth Valley, TN
- Average snowfall days in January: 3.3 days
The month with the highest number of snowfall days is January (3.3 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 Valley, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Harpeth Valley, TN
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in January
Harpeth Valley, 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
Harpeth Valley, 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 June (Cloud cover 29).
Average visibility in January
Harpeth Valley, TN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).





