December weather forecastLaurel Junction, PA
December
Weather in December
The first month of the winter, December, is still a cold month in Laurel Junction, Pennsylvania, with an average temperature fluctuating between 38.1°F (3.4°C) and 27.3°F (-2.6°C).Temperature
Laurel Junction's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 47.5°F (8.6°C) to an icy 38.1°F (3.4°C). An average temperature of 27.3°F (-2.6°C) marks the nights in December.Humidity
February and December, with an average relative humidity of 83%, are the most humid months in Laurel Junction, Pennsylvania.Rainfall
In Laurel Junction, Pennsylvania, in December, it is raining for 4.5 days, with typically 0.55" (14mm) of accumulated precipitation. In Laurel Junction, during the entire year, the rain falls for 66.7 days and collects up to 6.38" (162mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In December, in Laurel Junction, it is snowing for 3.8 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, there are 21.5 snowfall days, and 3.15" (80mm) 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 7:09 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:46 pm EST.
Sunshine
In December, the average sunshine in Laurel Junction is 4.3h.UV index
The months with the lowest UV index in Laurel Junction are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Laurel Junction, PA
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Laurel 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
Laurel Junction, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Laurel Junction, PA
- Average humidity in December: 83%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Laurel Junction, PA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in December
Laurel Junction, PA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is April (8.1 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in December
Laurel Junction, PA
- Average snowfall in December: 0.43"
The months with the highest snowfall are January and November (0.71").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Laurel Junction, PA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Laurel Junction, PA
- Average daylight in December: 9h and 18min
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 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Laurel Junction, PA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is May (19.9 days).
Average UV index in December
Laurel Junction, PA
- Average UV index in December: 2
The month with the highest UV index is 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
Laurel Junction, PA
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Laurel Junction, PA
- Average visibility in December: 5mi
The months with the highest visibility are March and April (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (5mi).





