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
December reveals a small adjustment in temperature, transitioning from an average high of a refreshing 57.4°F (14.1°C) in November to a chilly 49.6°F (9.8°C). December nights experience a consistent temperature drop to a cold 35.8°F (2.1°C).Humidity
The months with the highest humidity are March and December, with an average relative humidity of 79%.Rainfall
In Porters, during December, the rain falls for 12.7 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 172.4 rainfall days, and 38.43" (976mm) of precipitation is accumulated.Snowfall
Months with snowfall in Porters are January through April, November and December. In Porters, Tennessee, in December, during 1.4 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, in Porters, there are 8.9 snowfall days, and 2.8" (71mm) 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 6:40 am and sunset at 4:35 pm. On the last day of December, in Porters, Tennessee, sunrise is at 6:57 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 4.7h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Porters. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Porters?
What is the most humid month in Porters?
What is the average humidity in December in Porters?
How many days does it rain in December in Porters?
How many days does it snow in December in Porters?
What is the month with the shortest days in Porters?
How many hours of daylight does Porters have in December?
When is the sunrise / sunset in December in Porters?
How many hours of sunshine does Porters have in December?
When is the lowest UV index in Porters?
How high is the UV index in December in Porters?
Average temperature in December
Porters, TN
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
Porters, 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
Porters, TN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Porters, 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
Porters, TN
- Average rainfall in December: 3.11"
The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
Porters, TN
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Porters, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Porters, TN
- Average snowfall days in December: 1.4 days
The months with the highest number of snowfall days are January and February (2.8 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
Porters, 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 January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Porters, TN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Porters, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Porters, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Porters, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Porters, Tennessee, USA
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