December weather forecastHarbin, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Harbin, Tennessee, with an average temperature varying between 48.6°F (9.2°C) and 34.7°F (1.5°C).Temperature
Harbin's December weather shows a modest shift in high-temperatures, falling from November's mild 56.1°F (13.4°C) to a frosty 48.6°F (9.2°C). Harbin's nighttime temperature in December drops to an average of 34.7°F (1.5°C).Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Harbin, in December, it is raining for 13.5 days, with typically 3.62" (92mm) of accumulated precipitation. In Harbin, during the entire year, the rain falls for 176.6 days and collects up to 39.41" (1001mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 2.2 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 11.6 snowfall days, and 3.15" (80mm) 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 the month, sunrise is at 7:30 am and sunset at 5:24 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:35 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.9h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harbin, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Harbin, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Harbin, TN
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Harbin, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Harbin, TN
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Harbin, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Harbin, TN
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Harbin, TN
- Average snowfall days in December: 2.2 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Harbin, TN
- Average daylight in December: 9h and 48min
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 54min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Harbin, TN
- Average sunshine days in December: 15.5 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Harbin, 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, February and December (UV index 2).
Average cloud cover in December
Harbin, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Harbin, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).





