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
A minor decrease in the average high-temperature is observed during December, shifting from a moderate 56.8°F (13.8°C) in November to a chilly 49.1°F (9.5°C). Graytown's average low-temperature during December nights is observed to be a cold 35.6°F (2°C).Humidity
March and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Graytown, in December, it is raining for 13.2 days, with typically 3.27" (83mm) of accumulated precipitation. In Graytown, during the entire year, the rain falls for 178.7 days and collects up to 39.21" (996mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 2.4 days. Throughout December, 0.75" (19mm) of snow is accumulated. In Graytown, during the entire year, snow falls for 13.4 days and aggregates up to 3.78" (96mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:41 am and sunset at 4:36 pm. On the last day of December, sunrise is at 6:59 am and sunset at 4:46 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.6h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Graytown in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in Graytown in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Graytown have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Graytown have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Graytown, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Graytown, 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
Graytown, TN
- Average wind speed in December: 7.8mph
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 (4.7mph).
Average humidity in December
Graytown, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Graytown, TN
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Graytown, TN
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Graytown, TN
- Average snowfall in December: 0.75"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Graytown, TN
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4 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
Graytown, 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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Graytown, TN
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Graytown, 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
Graytown, TN
- Average cloud cover in December: 52
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Graytown, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
Graytown, Tennessee, USA
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