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 decrease in the average high-temperature marks December, falling from November's fresh 50.9°F (10.5°C) to a cold 40.6°F (4.8°C). An average low-temperature of 29.5°F (-1.4°C) is noted in Waynesburg, Indiana, during the month of December.Humidity
The most humid month is December, with an average relative humidity of 82%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 137.6 rainfall days, and 17.99" (457mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Waynesburg, Indiana, during December, snow falls for 6.6 days and regularly aggregates up to 0.91" (23mm) of snow. In Waynesburg, Indiana, during the entire year, snow falls for 29.3 days and aggregates up to 5.35" (136mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Waynesburg, Indiana.On the first day of the month, sunrise is at 7:43 am and sunset at 5:20 pm. On the last day of December, in Waynesburg, sunrise is at 8:02 am and sunset at 5:29 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 in December translates into these instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Waynesburg in December?
What is the most humid month in Waynesburg?
What is the average humidity in December in Waynesburg?
How much does it rain in Waynesburg in December?
How many days does it snow in December in Waynesburg?
What is the month with the shortest days in Waynesburg?
What is the average length of the day in December in Waynesburg?
What time are sunrise and sunset in December in Waynesburg?
How long on average sun shines in December in Waynesburg?
What is the month with the lowest UV index in Waynesburg?
How high is the UV index in December in Waynesburg?
Average temperature in December
Waynesburg, IN
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Waynesburg, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Waynesburg, IN
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in December
Waynesburg, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Waynesburg, IN
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
Waynesburg, IN
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Waynesburg, IN
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Waynesburg, IN
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (7.3 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, IN
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Waynesburg, IN
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in December
Waynesburg, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Waynesburg, IN
- 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 30).
Average visibility in December
Waynesburg, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Waynesburg, Indiana, USA
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