December weather forecastParrottsville, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Parrottsville, Tennessee, with an average temperature varying between 49.1°F (9.5°C) and 34.3°F (1.3°C).Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a refreshing 57°F (13.9°C) in November to a frosty 49.1°F (9.5°C). December brings Parrottsville a consistent average low-temperature of 34.3°F (1.3°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 78%.Rainfall
In Parrottsville, in December, it is raining for 11.5 days, with typically 2.64" (67mm) of accumulated precipitation. In Parrottsville, during the entire year, the rain falls for 155.9 days and collects up to 24.02" (610mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is December, when snow falls for 4.6 days and typically aggregates up to 2.48" (63mm) of snow.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 7:25 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:28 pm EST.
Sunshine
The average sunshine in December is 5.6h.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 low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parrottsville, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
Parrottsville, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Parrottsville, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Parrottsville, TN
- Average humidity in December: 78%
The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in December
Parrottsville, TN
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is February (2.87").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Parrottsville, TN
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (10 days).
Average snowfall in December
Parrottsville, TN
- Average snowfall in December: 2.48"
The month with the highest snowfall is December (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Parrottsville, TN
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (6.6 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
Parrottsville, 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: 5h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Parrottsville, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Parrottsville, 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
Parrottsville, TN
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Parrottsville, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





