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
Mecca's December weather shows a modest shift in high-temperatures, falling from November's refreshing 57.6°F (14.2°C) to a fresh 50.4°F (10.2°C). Mecca temperatures generally rest at a low of 36°F (2.2°C) during the December nights.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Mecca, Tennessee, in December, during 13.4 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 170.1 rainfall days, and 33.23" (844mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Mecca. In Mecca, during December, snow falls for 2.3 days and regularly aggregates up to 0.39" (10mm) of snow. In Mecca, Tennessee, during the entire year, snow falls for 14.2 days and aggregates up to 2.36" (60mm) of snow.Daylight
The month with the shortest days in Mecca is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:35 pm EST.
Sunshine
The months with the least sunshine in Mecca are January and December, with an average of 5.1h of sunshine.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 low threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are the temperatures in Mecca in December?
What is the most humid month in Mecca?
What is the average humidity in December in Mecca?
How much does it rain in Mecca in December?
How many days does it snow in December in Mecca?
What is the month with the shortest days in Mecca?
How many hours of daylight does Mecca have in December?
When are sunrise and sunset in December in Mecca?
What is the month with the least sunshine in Mecca?
How many hours of sunshine does Mecca have in December?
What are the months with the lowest UV index in Mecca?
How high is the UV index in December in Mecca?
Average temperature in December
Mecca, TN
- Average high temperature in December: 50.4°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 (46°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Mecca, TN
- Average pressure in December: 30.15"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
Mecca, TN
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Mecca, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August, October and November (75%).
Average rainfall in December
Mecca, TN
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (1.89").
Average rainfall days in December
Mecca, TN
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Mecca, TN
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mecca, TN
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (4.6 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
Mecca, 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: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Mecca, TN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Mecca, 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
Mecca, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Mecca, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Mecca, Tennessee, USA
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