December weather forecast
Cateston, TN

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Weather in December

December, the first month of the winter in Cateston, is still a chilly month, with an average temperature varying between 49.1°F (9.5°C) and 35.4°F (1.9°C).

Temperature

December's onset introduces a mild reduction in the average high-temperature, from a mild 57.2°F (14°C) in November to a chilly 49.1°F (9.5°C). In Cateston, December's nights observe an average temperature dip to an icy 35.4°F (1.9°C).

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

In Cateston, during December, the rain falls for 12.9 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, there are 176.2 rainfall days, and 40.91" (1039mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Cateston, in December, snow falls for 2.4 days, with typically accumulated 0.75" (19mm) of snow. In Cateston, during the entire year, snow falls for 13.8 days and aggregates up to 3.74" (95mm) 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 6:36 am and sunset at 4:31 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:41 pm CST.

Sunshine

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

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

What is the temperature in December?

The average high-temperature, in December, in Cateston, is 49.1°F (9.5°C), while the average low-temperature is 35.4°F (1.9°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is computed to be 86°F (30°C).

What is the most humid month?

The most humid month in Cateston is December, with an average relative humidity of 80%.

What is the average humidity in December in Cateston?

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

How much does it rain in December?

In December, the rain falls for 12.9 days. Throughout December, 3.39" (86mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 2.4 days. Throughout December, 0.75" (19mm) 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 Cateston have in December?

In Cateston, the average day length in December is 9h and 47min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:36 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:41 pm CST.

How many hours of sunshine does Cateston have in December?

The average sunshine duration in December is 4.7h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index in Cateston, Tennessee, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Cateston, TN

Average temperature in December - Cateston, TN
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in December
Cateston, TN

Average pressure in December - Cateston, TN
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Cateston, TN

Average wind speed in December - Cateston, TN
  • Average wind speed in December: 7mph

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 (4.3mph).

Average humidity in December
Cateston, TN

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

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in December
Cateston, TN

Average rainfall in December - Cateston, TN
  • Average rainfall in December: 3.39"

The wettest months (with the highest rainfall) are February and July (4.45").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in December
Cateston, TN

Average rainfall days in December - Cateston, TN
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in December
Cateston, TN

Average snowfall in December - Cateston, TN
  • Average snowfall in December: 0.75"

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Cateston, TN

Average snowfall days in December - Cateston, TN
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.2 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
Cateston, TN

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

Average sunshine days in December
Cateston, TN

Average sunshine days in December - Cateston, TN
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in December
Cateston, TN

Average UV index in December - Cateston, 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
Cateston, TN

Average cloud cover in December - Cateston, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Cateston, TN

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

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

Cateston, Tennessee, USA

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