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
Harbor Heights's December weather shows a modest shift in high-temperatures, falling from November's refreshing 58.8°F (14.9°C) to a cool 50.7°F (10.4°C). In Harbor Heights, December nights cool down to an average of 36.5°F (2.5°C).Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
December is the month with the most rainfall in Harbor Heights. Rain falls for 13.5 days and accumulates 4.21" (107mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Harbor Heights, during December, snow falls for 1.6 days and regularly aggregates up to 0.31" (8mm) of snow. Throughout the year, there are 9.2 snowfall days, and 2.09" (53mm) of snow is accumulated.Daylight
December has the shortest days of the year in Harbor Heights, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 5:28 pm. On the last day of December, in Harbor Heights, Tennessee, sunrise is at 7:48 am and sunset at 5:39 pm EST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Harbor Heights. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the temperature in December in Harbor Heights?
What is the most humid month in Harbor Heights?
What is the average humidity in December in Harbor Heights?
What is the rainiest month in Harbor Heights?
How much does it rain in Harbor Heights in December?
How many days does it snow in December in Harbor Heights?
What is the month with the shortest days in Harbor Heights?
What is the average length of the day in December in Harbor Heights?
What time are sunrise and sunset in December in Harbor Heights?
What is the month with the least sunshine in Harbor Heights?
How many hours of sunshine does Harbor Heights have in December?
When is the lowest UV index in Harbor Heights?
How high is the UV index in December in Harbor Heights?
Average temperature in December
Harbor Heights, TN
- Average high temperature in December: 50.7°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Harbor Heights, 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 (29.98"Hg).
Average wind speed in December
Harbor Heights, TN
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Harbor Heights, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Harbor Heights, TN
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in December
Harbor Heights, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Harbor Heights, TN
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Harbor Heights, TN
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (2.9 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
Harbor Heights, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Harbor Heights, TN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in December
Harbor Heights, 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
Harbor Heights, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Harbor Heights, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Harbor Heights, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location
