Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a mild 56.1°F (13.4°C) in November to a frosty 48.6°F (9.2°C). Throughout December, Cardiff anticipates an average low-temperature of 34.7°F (1.5°C).Humidity
The most humid month in Cardiff is December, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.62" (92mm) of precipitation is accumulated. In Cardiff, Tennessee, during the entire year, the rain falls for 176.6 days and collects up to 39.41" (1001mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Cardiff, in December, snow falls for 2.2 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 11.6 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Cardiff, Tennessee.On the first day of the month, sunrise is at 7:30 am and sunset at 5:24 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:35 pm EST.
Sunshine
January and December, with an average of 4.9h of sunshine, are months with the least sunshine in Cardiff.UV index
The months with the lowest UV index in Cardiff are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are December temperatures in Cardiff?
What is the most humid month in Cardiff?
What is the average humidity in December in Cardiff?
How much does it rain in Cardiff in December?
How many days does it snow in December in Cardiff?
What is the month with the shortest days in Cardiff?
What is the average length of the day in December in Cardiff?
When are sunrise and sunset in December in Cardiff?
What are the months with the least sunshine in Cardiff?
How many hours of sunshine does Cardiff have in December?
When is the lowest UV index in Cardiff?
What is the UV index intensity in December in Cardiff?
Average temperature in December
Cardiff, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Cardiff, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Cardiff, TN
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Cardiff, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Cardiff, TN
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Cardiff, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Cardiff, TN
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cardiff, TN
- Average snowfall days in December: 2.2 days
The months with the highest number of snowfall days are January and February (3.3 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
Cardiff, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Cardiff, TN
- Average sunshine days in December: 15.5 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Cardiff, 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
Cardiff, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Cardiff, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Cardiff, Tennessee, USA
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