December weather forecastWayne Heights, PA
December
Weather in December
December, the first month of the winter in Wayne Heights, is still a cold month, with an average temperature varying between 41.2°F (5.1°C) and 29.1°F (-1.6°C).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a fresh 50.2°F (10.1°C) in November to a wintry 41.2°F (5.1°C). During December, Wayne Heights consistently records a temperature low averaging a subzero cold 29.1°F (-1.6°C).Humidity
In Wayne Heights, Pennsylvania, the average relative humidity in December is 79%.Rainfall
In Wayne Heights, in December, it is raining for 10.5 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 158.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Wayne Heights, in December, snow falls for 6.1 days, with typically accumulated 2.99" (76mm) of snow. Throughout the year, there are 33 snowfall days, and 22.44" (570mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Wayne Heights.On the first day of the month, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wayne Heights, PA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Wayne Heights, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Wayne Heights, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Wayne Heights, PA
- Average humidity in December: 79%
The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Wayne Heights, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Wayne Heights, PA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Wayne Heights, PA
- Average snowfall in December: 2.99"
The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wayne Heights, PA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wayne Heights, PA
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Wayne Heights, PA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Wayne Heights, 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, November and December (UV index 2).
Average cloud cover in December
Wayne Heights, 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 33).
Average visibility in December
Wayne Heights, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June and July (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October, November and December (5mi).
