December weather forecastBlack Creek Junction, PA
December
Weather in December
The first month of the winter, December, is still a cold month in Black Creek Junction, Pennsylvania, with an average temperature fluctuating between 26.6°F (-3°C) and 37.2°F (2.9°C).Temperature
With the onset of December, Black Creek Junction experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 46.6°F (8.1°C) in November to a cold 37.2°F (2.9°C). Throughout December, the average low-temperature in Black Creek Junction, Pennsylvania, records at a freezing cold 26.6°F (-3°C).Humidity
In Black Creek Junction, the average relative humidity in December is 83%.Rainfall
In December, in Black Creek Junction, the rain falls for 11.3 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. In Black Creek Junction, Pennsylvania, during the entire year, the rain falls for 154.6 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall in Black Creek Junction are January through May, October through December. In Black Creek Junction, in December, during 7.7 snowfall days, 3.62" (92mm) of snow is typically accumulated. Throughout the year, in Black Creek Junction, Pennsylvania, there are 46.2 snowfall days, and 24.92" (633mm) of snow is accumulated.Daylight
The month with the shortest days in Black Creek Junction is December, 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 4:35 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:45 pm EST.
Sunshine
In Black Creek Junction, the average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To guard against the harmful effects of the Sun, minimize exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Black Creek Junction, PA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Black Creek 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
Black Creek Junction, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Black Creek Junction, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Black Creek Junction, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Black Creek Junction, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Black Creek Junction, PA
- Average snowfall in December: 3.62"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Black Creek Junction, PA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Black Creek 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Black Creek Junction, PA
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in December
Black Creek Junction, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Black Creek Junction, PA
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Black Creek Junction, 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).
