December weather forecast
Ephesus, TN

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Weather in December

The first month of the winter, December, is also a frosty month in Ephesus, Tennessee, with an average temperature fluctuating between 48.4°F (9.1°C) and 36°F (2.2°C).

Temperature

With the onset of December, Ephesus's average high-temperature slightly adjusts, moderately receding from November's moderate 57°F (13.9°C) to a chilly 48.4°F (9.1°C). Ephesus records an average low of 36°F (2.2°C) throughout the nights in December.

Humidity

The months with the highest humidity are March and December, with an average relative humidity of 79%.

Rainfall

In December, the rain falls for 10.6 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 133.4 rainfall days, and 17.05" (433mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Ephesus, during December, snow falls for 1.5 days and regularly aggregates up to 0.31" (8mm) of snow. In Ephesus, during the entire year, snow falls for 9.1 days and aggregates up to 1.5" (38mm) 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 December, sunrise is at 6:46 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:49 pm CST.

Sunshine

In Ephesus, the average sunshine in December is 4.7h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Ephesus in December?

The high-temperature during December is 48.4°F (9.1°C) and the low-temperature is 36°F (2.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is evaluated at 87.8°F (31°C).

What is the most humid month in Ephesus?

March and December, with an average relative humidity of 79%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How many days does it rain in December?

In Ephesus, during December, the rain falls for 10.6 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How many days does it snow in December?

In Ephesus, in December, during 1.5 snowfall days, 0.31" (8mm) of snow is typically accumulated.

What is the month with the shortest days in Ephesus?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

How many hours of daylight does Ephesus have in December?

In Ephesus, the average day length in December is 9h and 45min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:46 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:49 pm CST.

How long on average sun shines in December?

In Ephesus, the average sunshine duration in December is 4.7h.

When is the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 2.

What is the UV index intensity in December?

In Ephesus, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ephesus, TN

Average temperature in December - Ephesus, TN
  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in December
Ephesus, TN

Average pressure in December - Ephesus, 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
Ephesus, TN

Average wind speed in December - Ephesus, TN
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).

Average humidity in December
Ephesus, TN

Average humidity in December - Ephesus, 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 (72%).

Average rainfall in December
Ephesus, TN

Average rainfall in December - Ephesus, TN
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in December
Ephesus, TN

Average rainfall days in December - Ephesus, TN
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is November (7 days).

Average snowfall in December
Ephesus, TN

Average snowfall in December - Ephesus, TN
  • Average snowfall in December: 0.31"

The month with the highest snowfall is March (0.43").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Ephesus, TN

Average snowfall days in December - Ephesus, TN
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (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
Ephesus, TN

Average daylight in December / Average sunshine in December - Ephesus, TN
  • Average daylight in December: 9h and 5min

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 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Ephesus, TN

Average sunshine days in December - Ephesus, TN
  • Average sunshine days in December: 17.8 days

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Ephesus, TN

Average UV index in December - Ephesus, 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
Ephesus, TN

Average cloud cover in December - Ephesus, 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 28).

Average visibility in December
Ephesus, TN

Average visibility in December - Ephesus, 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).

Ephesus, Tennessee, USA

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