December weather forecast
Devenport, TN

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Weather in December

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

Temperature

Devenport's weather subtly changes with the onset of December, barely falling from a moderate 57.2°F (14°C) in November to a chilly 49.1°F (9.5°C). An average nighttime temperature of 35.4°F (1.9°C) is noted during the month of December.

Humidity

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

Rainfall

In Devenport, in December, during 12.9 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. 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 Devenport, in December, snow falls for 2.4 days, with typically accumulated 0.75" (19mm) of snow. In Devenport, during the entire year, snow falls for 13.8 days and aggregates up to 3.74" (95mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Devenport, Tennessee.
On the first day of December, sunrise is at 6:35 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:40 pm CST.

Sunshine

In Devenport, 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Devenport in December?

The average high-temperature, in December, in Devenport, is 49.1°F (9.5°C), while the average low-temperature is 35.4°F (1.9°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the most humid month?

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

What is the average humidity in December?

In December, the average relative humidity 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 many days 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?

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

How many hours of daylight does Devenport have in December?

In Devenport, Tennessee, 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 6:35 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:40 pm CST.

How long on average sun shines 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.

How high is the UV index 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 unprotected exposure to 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
Devenport, TN

Average temperature in December - Devenport, 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
Devenport, TN

Average pressure in December - Devenport, 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
Devenport, TN

Average wind speed in December - Devenport, 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
Devenport, TN

Average humidity in December - Devenport, 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
Devenport, TN

Average rainfall in December - Devenport, 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
Devenport, TN

Average rainfall days in December - Devenport, 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
Devenport, TN

Average snowfall in December - Devenport, 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
Devenport, TN

Average snowfall days in December - Devenport, 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
Devenport, TN

Average daylight in December / Average sunshine in December - Devenport, 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
Devenport, TN

Average sunshine days in December - Devenport, 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
Devenport, TN

Average UV index in December - Devenport, 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
Devenport, TN

Average cloud cover in December - Devenport, 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
Devenport, TN

Average visibility in December - Devenport, 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).

Devenport, Tennessee, USA

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