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's onset brings a reduction in the average high-temperature, from a chilly 47.5°F (8.6°C) in November to a wintry 37.8°F (3.2°C). Throughout December, the nighttime temperature averages to a freezing cold 27.5°F (-2.5°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Allenwood, Pennsylvania, during December, the rain falls for 12.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Allenwood, during the entire year, the rain falls for 167.6 days and collects up to 30.83" (783mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Allenwood, during December, snow falls for 9.1 days and regularly aggregates up to 3.43" (87mm) of snow. In Allenwood, during the entire year, snow falls for 47.2 days and aggregates up to 20.51" (521mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:14 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Allenwood, PA
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Allenwood, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Allenwood, PA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Allenwood, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in December
Allenwood, PA
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Allenwood, PA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in December
Allenwood, PA
- Average snowfall in December: 3.43"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Allenwood, PA
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Allenwood, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Allenwood, PA
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Allenwood, PA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Allenwood, PA
- Average cloud cover in December: 57
The months with the most cloud cover are January, February and December (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Allenwood, 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).
Allenwood, Pennsylvania, USA
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