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
The onset of December brings a small shift in high-temperatures, falling from a cool 52.3°F (11.3°C) in November to a frosty 43.7°F (6.5°C). Throughout December, Langhorne Manor registers a consistent average low-temperature of 32.4°F (0.2°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Langhorne Manor, in December, during 10.9 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in Langhorne Manor, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Langhorne Manor. In Langhorne Manor, in December, during 2.8 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 15.9 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Langhorne Manor?
What is the average humidity in December in Langhorne Manor?
How much does it rain in Langhorne Manor in December?
How much does it snow in Langhorne Manor in December?
What is the month with the shortest days in Langhorne Manor?
What is the average length of the day in December in Langhorne Manor?
When are sunrise and sunset in December in Langhorne Manor?
How long on average sun shines in December in Langhorne Manor?
When is the lowest UV index in Langhorne Manor?
What is the UV index intensity in December in Langhorne Manor?
Average temperature in December
Langhorne Manor, PA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Langhorne Manor, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Langhorne Manor, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Langhorne Manor, PA
- Average humidity in December: 77%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Langhorne Manor, PA
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Langhorne Manor, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Langhorne Manor, PA
- Average snowfall in December: 1.22"
The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Langhorne Manor, PA
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Langhorne Manor, 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 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Langhorne Manor, PA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Langhorne Manor, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Langhorne Manor, PA
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Langhorne Manor, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Langhorne Manor, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
