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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a moderate 56.5°F (13.6°C) in November to a frosty 48°F (8.9°C). Throughout the month of December, the nighttime temperature dips to an average of 35.2°F (1.8°C).Humidity
March and December, with an average relative humidity of 79%, are the most humid months in Erin, Tennessee.Rainfall
In Erin, in December, during 12.8 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Erin, during the entire year, the rain falls for 172.2 days and collects up to 35.98" (914mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Erin. In Erin, Tennessee, during December, snow falls for 1.9 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, in Erin, there are 11.5 snowfall days, and 3.5" (89mm) of snow is accumulated.Daylight
December has the shortest days of the year in Erin, with an average of 9h and 42min of daylight.On the first day of December in Erin, sunrise is at 6:44 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:46 pm CST.
Sunshine
February and December, with an average of 4.7h of sunshine, are months with the least 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 radiation for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Erin in December?
What are the most humid months in Erin?
What is the average humidity in December in Erin?
How much does it rain in Erin in December?
How much does it snow in Erin in December?
What is the month with the shortest days in Erin?
How many hours of daylight does Erin have in December?
When are sunrise and sunset in December in Erin?
What is the month with the least sunshine in Erin?
How long on average sun shines in December in Erin?
What are the months with the lowest UV index in Erin?
What is the UV index reading in December in Erin?
Average temperature in December
Erin, TN
- Average high temperature in December: 48°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 (43.7°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Erin, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Erin, TN
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Erin, 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 (73%).
Average rainfall in December
Erin, TN
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is February (3.98").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Erin, TN
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Erin, TN
- Average snowfall in December: 0.63"
The month with the highest snowfall is March (0.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Erin, TN
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (3.8 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
Erin, TN
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Erin, TN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in December
Erin, 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
Erin, TN
- Average cloud cover in December: 50
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
Erin, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Erin, Tennessee, USA
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