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
During the transition into December, Allen Junction observes a decrease in the average high-temperature, falling from a fresh 50°F (10°C) in November to an icy 40.1°F (4.5°C). December brings an average low-temperature of 28.8°F (-1.8°C) to Allen Junction.Humidity
In December, the average relative humidity in Allen Junction is 80%.Rainfall
In Allen Junction, in December, during 10.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Allen Junction, Pennsylvania, during the entire year, the rain falls for 153 days and collects up to 26.81" (681mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 4.8 days. Throughout December, 2.48" (63mm) of snow is accumulated. Throughout the year, in Allen Junction, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Allen Junction.On the first day of December in Allen Junction, sunrise is at 7:06 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Allen Junction?
What is the average humidity in December in Allen Junction?
How much does it rain in Allen Junction in December?
How many days does it snow in December in Allen Junction?
What is the month with the shortest days in Allen Junction?
How many hours of daylight does Allen Junction have in December?
When are sunrise and sunset in December in Allen Junction?
How long on average sun shines in December in Allen Junction?
What is the month with the lowest UV index in Allen Junction?
What is the UV index reading in December in Allen Junction?
Average temperature in December
Allen Junction, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Allen Junction, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Allen Junction, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Allen Junction, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Allen Junction, PA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Allen Junction, PA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Allen Junction, PA
- Average snowfall in December: 2.48"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Allen Junction, PA
- Average snowfall days in December: 4.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Allen Junction, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
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
Allen Junction, PA
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Allen Junction, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Allen Junction, 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
Allen Junction, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Allen Junction, Pennsylvania, USA
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