December weather forecast
Caffey, TN

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Weather in December

The first month of the winter, December, is also a fresh month in Caffey, Tennessee, with an average temperature fluctuating between 37.8°F (3.2°C) and 50.9°F (10.5°C).

Temperature

As Caffey, Tennessee, enters December, the average high-temperature subtly lowers from the a mild 59°F (15°C) of November to a cool 50.9°F (10.5°C). An average low-temperature of 37.8°F (3.2°C) is recorded in the month of December.

Humidity

March and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Caffey, Tennessee, during December, the rain falls for 13.2 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 166.5 rainfall days, and 37.95" (964mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 0.6 days. Throughout December, 0.08" (2mm) of snow is accumulated. In Caffey, during the entire year, snow falls for 5.9 days and aggregates up to 1.61" (41mm) 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 the month, sunrise is at 6:44 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:01 am and sunset at 4:52 pm CST.

Sunshine

In December, the average sunshine is 4.6h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Caffey in December?

During December, Caffey experiences an average high-temperature of 50.9°F (10.5°C) and a low-temperature of 37.8°F (3.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

What is the most humid month?

The months with the highest humidity are March and December, with an average relative humidity of 80%.

What is the average humidity in December?

In Caffey, the average relative humidity in December is 80%.

How many days does it rain in December in Caffey?

In Caffey, in December, it is raining for 13.2 days, with typically 3.07" (78mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 0.6 days. Throughout December, 0.08" (2mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Caffey have in December?

In Caffey, the average day length in December is 9h and 50min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:44 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:52 pm CST.

How many hours of sunshine does Caffey have in December?

In Caffey, the average sunshine duration in December is 4.6h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe 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
Caffey, TN

Average temperature in December - Caffey, TN
  • Average high temperature in December: 50.9°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in December: 37.8°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

Average pressure in December
Caffey, TN

Average pressure in December - Caffey, 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
Caffey, TN

Average wind speed in December - Caffey, TN
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

Average humidity in December
Caffey, TN

Average humidity in December - Caffey, TN
  • Average humidity in December: 80%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Caffey, TN

Average rainfall in December - Caffey, TN
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in December
Caffey, TN

Average rainfall days in December - Caffey, TN
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in December
Caffey, TN

Average snowfall in December - Caffey, TN
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Caffey, TN

Average snowfall days in December - Caffey, TN
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Caffey, TN

Average daylight in December / Average sunshine in December - Caffey, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Caffey, TN

Average sunshine days in December - Caffey, TN
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in December
Caffey, TN

Average UV index in December - Caffey, TN
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Caffey, TN

Average cloud cover in December - Caffey, TN
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 30).

Average visibility in December
Caffey, TN

Average visibility in December - Caffey, TN
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and May (5mi).

Caffey, Tennessee, USA

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