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 onset of December, Werkheiser experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 48.4°F (9.1°C) in November to a cold 39°F (3.9°C). Werkheiser's nighttime temperature in December falls to an average of 27.5°F (-2.5°C).Humidity
In Werkheiser, the average relative humidity in December is 81%.Rainfall
In Werkheiser, in December, it is raining for 9.4 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in Werkheiser, there are 139.9 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Werkheiser, it is snowing for 4.1 days. Throughout December, 2.32" (59mm) of snow is accumulated. Throughout the year, in Werkheiser, there are 24.7 snowfall days, and 10.94" (278mm) 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 December in Werkheiser, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:43 pm EST.
Sunshine
In Werkheiser, the average sunshine in December is 4.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Werkheiser. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Werkheiser during December?
What is the average humidity in December in Werkheiser?
How many days does it rain in December in Werkheiser?
How much does it snow in Werkheiser in December?
What is the month with the shortest days in Werkheiser?
What is the average length of the day in December in Werkheiser?
When are sunrise and sunset in December in Werkheiser?
How long on average sun shines in December in Werkheiser?
What is the month with the lowest UV index in Werkheiser?
What is the UV index reading in December in Werkheiser?
Average temperature in December
Werkheiser, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Werkheiser, 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
Werkheiser, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Werkheiser, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Werkheiser, PA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in December
Werkheiser, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Werkheiser, PA
- Average snowfall in December: 2.32"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Werkheiser, PA
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Werkheiser, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Werkheiser, PA
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Werkheiser, PA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Werkheiser, PA
- 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 July (Cloud cover 34).
Average visibility in December
Werkheiser, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Werkheiser, Pennsylvania, USA
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