Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a mild 57.4°F (14.1°C) in November to a chilly 49.1°F (9.5°C). In the month of December, an average of 36°F (2.2°C) marks the low-temperature in West Harpeth.Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In December, in West Harpeth, the rain falls for 12.7 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. 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 December, in West Harpeth, it is snowing for 2.2 days. Throughout December, 0.47" (12mm) of snow is accumulated. Throughout the year, in West Harpeth, there are 11.4 snowfall days, and 3.35" (85mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December in West Harpeth, sunrise is at 6:39 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:44 pm CST.
Sunshine
The average sunshine in December in West Harpeth, Tennessee, is 4.7h.UV index
The months with the lowest UV index in West Harpeth are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in December in West Harpeth?
What is the most humid month in West Harpeth?
What is the average humidity in December in West Harpeth?
How much does it rain in West Harpeth in December?
How much does it snow in West Harpeth in December?
What is the month with the shortest days in West Harpeth?
What is the average length of the day in December in West Harpeth?
When are sunrise and sunset in December in West Harpeth?
How long on average sun shines in December in West Harpeth?
What is the month with the lowest UV index in West Harpeth?
What is the UV index intensity in December in West Harpeth?
Average temperature in December
West Harpeth, TN
- Average high temperature in December: 49.1°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 December: 36°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 December
West Harpeth, TN
- 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 (29.97"Hg).
Average wind speed in December
West Harpeth, TN
- Average wind speed in December: 7.6mph
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 December
West Harpeth, TN
- Average humidity in December: 79%
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 December
West Harpeth, TN
- Average rainfall in December: 3.11"
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 December
West Harpeth, TN
- Average rainfall days in December: 12.7 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 December
West Harpeth, TN
- Average snowfall in December: 0.47"
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 December
West Harpeth, TN
- Average snowfall days in December: 2.2 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 December /
Average sunshine in December
West Harpeth, TN
- Average daylight in December: 9h and 5min
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 December: 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 December
West Harpeth, TN
- Average sunshine days in December: 15.2 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 December
West Harpeth, TN
- Average UV index in December: 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 December
West Harpeth, TN
- Average cloud cover in December: 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 December
West Harpeth, TN
- Average visibility in December: 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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