December weather forecastDevenport, TN
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 48min
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 42min
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: 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: 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: 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: 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).
