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
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a cool 53.2°F (11.8°C) to a chilly 45.3°F (7.4°C). Throughout December, an average nighttime temperature of 32.9°F (0.5°C) is experienced in Waynesburg.Humidity
February and December, with an average relative humidity of 80%, are the most humid months in Waynesburg.Rainfall
In Waynesburg, in December, it is raining for 13.1 days, with typically 3.74" (95mm) of accumulated precipitation. In Waynesburg, Kentucky, during the entire year, the rain falls for 176.6 days and collects up to 39.37" (1000mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Waynesburg. In Waynesburg, during December, snow falls for 6.7 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 32.5 snowfall days, and 12.28" (312mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:31 pm EST.
Sunshine
The average sunshine in December is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waynesburg in December?
What is the most humid month in Waynesburg?
What is the average humidity in December in Waynesburg?
How many days does it rain in December in Waynesburg?
How much does it snow in Waynesburg in December?
What is the month with the shortest days in Waynesburg?
How many hours of daylight does Waynesburg have in December?
When is the sunrise / sunset in December in Waynesburg?
How long on average sun shines in December in Waynesburg?
When is the lowest UV index in Waynesburg?
What is the UV index reading in December in Waynesburg?
Average temperature in December
Waynesburg, KY
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in December
Waynesburg, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Waynesburg, KY
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Waynesburg, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (76%).
Average rainfall in December
Waynesburg, KY
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Waynesburg, KY
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Waynesburg, KY
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Waynesburg, KY
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (9.1 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
Waynesburg, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Waynesburg, KY
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in December
Waynesburg, KY
- 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, November and December (UV index 2).
Average cloud cover in December
Waynesburg, KY
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Waynesburg, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Waynesburg, Kentucky, USA
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