December weather forecastYoungwood, PA
December
Weather in December
December, the first month of the winter in Youngwood, is also an icy month, with temperature in the range of an average high of 39°F (3.9°C) and an average low of 27.9°F (-2.3°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a frosty 48.7°F (9.3°C) in November to an icy 39°F (3.9°C). Youngwood observes an average nighttime temperature of 27.9°F (-2.3°C) during December.Humidity
In Youngwood, the average relative humidity in December is 84%.Rainfall
In Youngwood, in December, during 13.5 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Youngwood, during the entire year, the rain falls for 186 days and collects up to 34.84" (885mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Youngwood, in December, snow falls for 12.8 days, with typically accumulated 5.67" (144mm) of snow. In Youngwood, during the entire year, snow falls for 63.3 days and aggregates up to 27.44" (697mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:02 pm EST.
Sunshine
In December, the average sunshine in Youngwood, Pennsylvania, is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 1 transforms into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Youngwood, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Youngwood, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Youngwood, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Youngwood, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Youngwood, PA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Youngwood, PA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Youngwood, PA
- Average snowfall in December: 5.67"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Youngwood, PA
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Youngwood, PA
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Youngwood, PA
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in December
Youngwood, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Youngwood, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Youngwood, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





