December weather forecastErasmus, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Erasmus, Tennessee, with an average temperature fluctuating between 46.9°F (8.3°C) and 33.4°F (0.8°C).Temperature
With the commencement of December, Erasmus records a moderate temperature decline, with the average high easing from November's cool 54.7°F (12.6°C) to a chilly 46.9°F (8.3°C). Erasmus's nights in December experience an average temperature drop to a cold 33.4°F (0.8°C).Humidity
February, March and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Erasmus, during December, the rain falls for 15.1 days and regularly aggregates up to 4.41" (112mm) of precipitation. In Erasmus, Tennessee, during the entire year, the rain falls for 198.6 days and collects up to 51.73" (1314mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Erasmus, in December, snow falls for 4.8 days, with typically accumulated 2.2" (56mm) of snow. In Erasmus, during the entire year, snow falls for 29.4 days and aggregates up to 10.12" (257mm) 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 December, sunrise is at 6:33 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December in Erasmus is 4.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Erasmus, TN
- Average high temperature in December: 46.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Erasmus, 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
Erasmus, TN
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Erasmus, TN
- Average humidity in December: 81%
The months with the highest relative humidity are February, March and December (81%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Erasmus, TN
- Average rainfall in December: 4.41"
The wettest month (with the highest rainfall) is July (5.51").
The driest month (with the least rainfall) is November (3.15").
Average rainfall days in December
Erasmus, TN
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Erasmus, TN
- Average snowfall in December: 2.2"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Erasmus, TN
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is January (8.5 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
Erasmus, 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: 4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Erasmus, TN
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is October (16.2 days).
The months with the least sunshine days are June and July (7.8 days).
Average UV index in December
Erasmus, 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
Erasmus, TN
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in December
Erasmus, TN
- Average visibility in December: 5mi
The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).
