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 ushers in a minute temperature change, with average high-temperatures reducing from November's refreshing 58.3°F (14.6°C) to a cool 50°F (10°C). The month of December records an average low-temperature of 36.9°F (2.7°C).Humidity
March and December, with an average relative humidity of 79%, are the most humid months in Waynesboro.Rainfall
In Waynesboro, in December, during 13.5 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Waynesboro, during the entire year, the rain falls for 178.9 days and collects up to 41.57" (1056mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Waynesboro, in December, during 1.8 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Waynesboro, Tennessee, during the entire year, snow falls for 10.7 days and aggregates up to 3.43" (87mm) of snow.Daylight
The month with the shortest days in Waynesboro is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 4:38 pm. On the last day of December, sunrise is at 6:59 am and sunset at 4:49 pm CST.
Sunshine
In Waynesboro, the average sunshine in December is 4.7h.UV index
December is the month with the lowest UV index in Waynesboro, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the temperature in December in Waynesboro?
What are the most humid months in Waynesboro?
What is the average humidity in December in Waynesboro?
How many days does it rain in December in Waynesboro?
How many days does it snow in December in Waynesboro?
What is the month with the shortest days in Waynesboro?
What is the average length of the day in December in Waynesboro?
What time are sunrise and sunset in December in Waynesboro?
How many hours of sunshine does Waynesboro have in December?
What is the month with the lowest UV index in Waynesboro?
How high is the UV index in December in Waynesboro?
Average temperature in December
Waynesboro, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in December: 36.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in December
Waynesboro, 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
Waynesboro, TN
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Waynesboro, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Waynesboro, TN
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is February (4.84").
The driest months (with the least rainfall) are September and November (2.52").
Average rainfall days in December
Waynesboro, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Waynesboro, TN
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Waynesboro, TN
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.4 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
Waynesboro, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Waynesboro, TN
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Waynesboro, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Waynesboro, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Waynesboro, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Waynesboro, Tennessee, USA
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