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 involves a decrease in temperature, down from a chilly 47.1°F (8.4°C) in November to a cold 37.6°F (3.1°C). Throughout the December nights, Henryville encounters a low-temperature of 26.2°F (-3.2°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 83%.Rainfall
In Henryville, in December, it is raining for 11.4 days, with typically 2.72" (69mm) of accumulated precipitation. In Henryville, during the entire year, the rain falls for 166.6 days and collects up to 32.6" (828mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Henryville, in December, during 7.4 snowfall days, 3.46" (88mm) of snow is typically accumulated. Throughout the year, there are 40.3 snowfall days, and 20.47" (520mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:42 pm EST.
Sunshine
The average sunshine in December is 4.4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the most humid month?
What is the average humidity in December?
How much does it rain in Henryville in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Henryville have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Henryville have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Henryville, PA
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Henryville, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Henryville, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Henryville, PA
- Average humidity in December: 83%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Henryville, PA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Henryville, PA
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Henryville, PA
- Average snowfall in December: 3.46"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Henryville, PA
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Henryville, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Henryville, PA
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in December
Henryville, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Henryville, PA
- Average cloud cover in December: 54
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Henryville, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Henryville, Pennsylvania, USA
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