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
With the arrival of December, Waynesboro experiences a modest decline in average high-temperatures, transitioning from a comfortable 66.2°F (19°C) in November to a still refreshing 59.2°F (15.1°C). During the nights in December, the temperature in Waynesboro averages to a frosty 42.8°F (6°C).Humidity
December is the most humid month, with an average relative humidity of 82%.Rainfall
In Waynesboro, in December, it is raining for 12.5 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, there are 163.4 rainfall days, and 31.06" (789mm) of precipitation is accumulated.Snowfall
Months with snowfall in Waynesboro are January through March and December. December is the month with the most snowfall. Snow falls for 0.4 days and accumulates 0.31" (8mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Waynesboro.On the first day of December in Waynesboro, sunrise is at 6:37 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:01 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Waynesboro, Mississippi, are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 3 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Waynesboro?
What is the most humid month in Waynesboro?
What is the average humidity in December in Waynesboro?
How many days does it rain in December in Waynesboro?
What is the snowiest month in Waynesboro?
When does it start snowing in Waynesboro?
What is the month with the shortest days in Waynesboro?
What is the average length of the day in December in Waynesboro?
When are sunrise and sunset in December in Waynesboro?
What is the month with the least sunshine in Waynesboro?
How many hours of sunshine does Waynesboro have in December?
What are the months with the lowest UV index in Waynesboro?
How high is the UV index in December in Waynesboro?
Average temperature in December
Waynesboro, MS
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 42.8°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
Waynesboro, MS
- 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
Waynesboro, MS
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
Waynesboro, MS
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Waynesboro, MS
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is July (3.62").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in December
Waynesboro, MS
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Waynesboro, MS
- Average snowfall in December: 0.31"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Waynesboro, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Waynesboro, MS
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Waynesboro, MS
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in December
Waynesboro, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Waynesboro, MS
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Waynesboro, MS
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Waynesboro, Mississippi, USA
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