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
The move into December indicates a reduction in the average high-temperature, down from November's frosty 48.4°F (9.1°C) to a wintry 39°F (3.9°C). During December, the temperature in Pen Argyl is averaged to a low of 27.5°F (-2.5°C) at night.Humidity
In Pen Argyl, Pennsylvania, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In Pen Argyl, during the entire year, the rain falls for 139.9 days and collects up to 19.88" (505mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 4.1 days. Throughout December, 2.32" (59mm) of snow is accumulated. Throughout the year, there are 24.7 snowfall days, and 10.94" (278mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Pen Argyl, sunrise is at 7:06 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine is 4.7h.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 health risk from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
Is December cold in Pen Argyl?
What is the average humidity in December in Pen Argyl?
How many days does it rain in December in Pen Argyl?
How many days does it snow in December in Pen Argyl?
What is the month with the shortest days in Pen Argyl?
What is the average length of the day in December in Pen Argyl?
When is the sunrise / sunset in December in Pen Argyl?
How many hours of sunshine does Pen Argyl have in December?
What is the month with the lowest UV index in Pen Argyl?
What is the UV index reading in December in Pen Argyl?
Average temperature in December
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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
Pen Argyl, 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).
Pen Argyl, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
