December weather forecast
Erasmus, TN

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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.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Erasmus in December?

In December, in Erasmus, the average high-temperature is 46.9°F (8.3°C), and the average low-temperature is 33.4°F (0.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 91.4°F (33°C).

What is the most humid month?

The months with the highest humidity are February, March and December, with an average relative humidity of 81%.

What is the average humidity in December?

In Erasmus, the average relative humidity in December is 81%.

How much does it rain in December?

In Erasmus, Tennessee, in December, during 15.1 rainfall days, 4.41" (112mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, in Erasmus, it is snowing for 4.8 days. Throughout December, 2.2" (56mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Erasmus have in December?

In Erasmus, the average day length in December is 9h and 46min.

When are sunrise and sunset in December?

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.

How many hours of sunshine does Erasmus have in December?

In Erasmus, the average sunshine duration in December is 4.5h.

When is the lowest UV index?

The months with the lowest UV index in Erasmus are January, February and December, with an average maximum UV index of 2.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
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
Erasmus, TN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Erasmus, 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 3min

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 - 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 - 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 - 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 - 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).

Erasmus, Tennessee, USA

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