December weather forecastHarrison, TN
December
Weather in December
December, the first month of the winter in Harrison, is also a fresh month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 50.7°F (10.4°C).Temperature
Harrison's progression into December involves a minor drop in the average high-temperature, slightly receding from a moderate 58.6°F (14.8°C) in November to a cool 50.7°F (10.4°C). Harrison records a mean low-temperature of 36.5°F (2.5°C) in December.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Harrison, in December, during 12.5 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Harrison, Tennessee, during the entire year, the rain falls for 156.7 days and collects up to 34.02" (864mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Harrison. In December, it is snowing for 1.1 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, in Harrison, there are 6.6 snowfall days, and 2.17" (55mm) of snow is accumulated.Daylight
The month with the shortest days in Harrison is December, 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, sunrise is at 7:48 am and sunset at 5:39 pm EST.
Sunshine
The month with the least sunshine in Harrison is December, with an average of 5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harrison, 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 (46.8°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
Harrison, TN
- Average pressure in December: 30.15"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
Harrison, TN
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Harrison, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August and October (74%).
Average rainfall in December
Harrison, TN
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Harrison, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Harrison, TN
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Harrison, TN
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.2 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
Harrison, TN
- Average daylight in December: 9h and 48min
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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Harrison, TN
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Harrison, 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
Harrison, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Harrison, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
