Climate and monthly weather forecastHarpeth Valley, TN
Climate and monthly weather forecast
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). 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). Weather in January »Weather in February
February, the last month of the winter in Harpeth Valley, is another chilly month, with an average temperature fluctuating between 48.7°F (9.3°C) and 34.3°F (1.3°C). Entering February, Harpeth Valley's average high-temperature reads a still frosty 48.7°F (9.3°C), indicating a close resemblance to the previous month's climate. Weather in February »Weather in March
March, the first month of the spring in Harpeth Valley, is a refreshing month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 41.2°F (5.1°C). In Harpeth Valley, the average high-temperature in March increases from a frosty 48.7°F (9.3°C) in February to a moderate 58.1°F (14.5°C). Weather in March »Weather in April
April is a pleasant spring month in Harpeth Valley, Tennessee, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 68.5°F (20.3°C). Harpeth Valley's weather in April shows a rise in the average high-temperature, moving up from March's refreshing 58.1°F (14.5°C) to a pleasant 68.5°F (20.3°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Harpeth Valley, Tennessee, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 77.4°F (25.2°C). As May begins, there's a slight increase in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in April to a moderately hot 77.4°F (25.2°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Harpeth Valley, Tennessee, with an average temperature varying between 65.8°F (18.8°C) and 85.6°F (29.8°C). With the onset of June, Harpeth Valley observes a minor temperature ascent, with the average high-temperature adjusting from May's 77.4°F (25.2°C) to a still moderately hot 85.6°F (29.8°C). Weather in June »Weather in July
July in Harpeth Valley, Tennessee, is a hot summer month, with an average temperature varying between 87.4°F (30.8°C) and 68.7°F (20.4°C). In Harpeth Valley, Tennessee, temperatures reach their average annual highs in July, measuring 87.4°F (30.8°C) and a minimum average of 68.7°F (20.4°C). July's mean heat index is computed to be a blisteringly hot 104°F (40°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Harpeth Valley, Tennessee, with an average temperature fluctuating between 86.5°F (30.3°C) and 67.3°F (19.6°C). August denotes a minimal variation in the average high-temperature to a still tropical 86.5°F (30.3°C) from July's 87.4°F (30.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Harpeth Valley, Tennessee, with an average temperature ranging between max 81.1°F (27.3°C) and min 61.7°F (16.5°C). September reveals a small adjustment in temperature, transitioning from an average high of a hot 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). Weather in September »Weather in October
October, the same as September, in Harpeth Valley, Tennessee, is another pleasant autumn month, with an average temperature fluctuating between 69.4°F (20.8°C) and 50°F (10°C). October comes with a drop in the average high-temperature, falling from September's moderately hot 81.1°F (27.3°C) to a pleasant 69.4°F (20.8°C). Weather in October »Weather in November
November, the last month of the autumn in Harpeth Valley, is also a moderate month, with an average temperature ranging between max 56.7°F (13.7°C) and min 40.1°F (4.5°C). November's onset brings a slight change in high-temperatures, falling from a pleasant 69.4°F (20.8°C) in October to a moderate 56.7°F (13.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Harpeth Valley, Tennessee, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 48.2°F (9°C). The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a refreshing 56.7°F (13.7°C) in November to a chilly 48.2°F (9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Harpeth Valley, TN
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).
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
Harpeth Valley, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"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
Harpeth Valley, TN
- Average wind speed in January:
8.2mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.7mph
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
Harpeth Valley, TN
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
Harpeth Valley, TN
- Average rainfall in January:
2.6" - Average rainfall in February:
3.62" - Average rainfall in March:
2.8" - Average rainfall in April:
3.46" - Average rainfall in May:
3.5" - Average rainfall in June:
3.43"
- Average rainfall in July:
4.21" - Average rainfall in August:
3.7" - Average rainfall in September:
2.28" - Average rainfall in October:
2.99" - Average rainfall in November:
2.36" - Average rainfall in December:
3.07"
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
Harpeth Valley, TN
- Average rainfall days in January:
12.1 days - Average rainfall days in February:
13.1 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
14.2 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
12.8 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
Harpeth Valley, TN
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
Harpeth Valley, TN
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
2.4 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 / Average sunshine
Harpeth Valley, TN
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 42min
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 - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 42min - Average sunshine in December:
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
Harpeth Valley, TN
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
13 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
8.9 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
15.9 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
Harpeth Valley, TN
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
Harpeth Valley, TN
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
Harpeth Valley, TN
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).





