December weather forecastCaffey, TN
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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 36min
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: 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: 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: 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: 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).





