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
December is characterized by a reduction in the average high-temperature, from a chilly 46.2°F (7.9°C) in November to a wintry 36.9°F (2.7°C). In the month of December, Liewellyn Corners records a consistent average low-temperature of 25.9°F (-3.4°C).Humidity
February and December, with an average relative humidity of 84%, are the most humid months in Liewellyn Corners.Rainfall
In December, in Liewellyn Corners, the rain falls for 11.3 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Liewellyn Corners, Pennsylvania, during the entire year, the rain falls for 142.7 days and collects up to 13.19" (335mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Liewellyn Corners, it is snowing for 10 days. Throughout December, 1.93" (49mm) of snow is accumulated. Throughout the year, in Liewellyn Corners, there are 49.9 snowfall days, and 9.92" (252mm) of snow is accumulated.Daylight
The month with the shortest days in Liewellyn Corners is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:34 pm. On the last day of December, in Liewellyn Corners, sunrise is at 7:28 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December in Liewellyn Corners, Pennsylvania, is 3.9h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Liewellyn Corners in December?
What is the most humid month in Liewellyn Corners?
What is the average humidity in December in Liewellyn Corners?
How many days does it rain in December in Liewellyn Corners?
How many days does it snow in December in Liewellyn Corners?
What is the month with the shortest days in Liewellyn Corners?
What is the average length of the day in December in Liewellyn Corners?
When is the sunrise / sunset in December in Liewellyn Corners?
How long on average sun shines in December in Liewellyn Corners?
When is the lowest UV index in Liewellyn Corners?
What is the UV index reading in December in Liewellyn Corners?
Average temperature in December
Liewellyn Corners, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Liewellyn Corners, 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
Liewellyn Corners, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Liewellyn Corners, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Liewellyn Corners, PA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Liewellyn Corners, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Liewellyn Corners, PA
- Average snowfall in December: 1.93"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Liewellyn Corners, PA
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Liewellyn Corners, PA
- Average daylight in December: 9h and 2min
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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in December
Liewellyn Corners, PA
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in December
Liewellyn Corners, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Liewellyn Corners, PA
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Liewellyn Corners, 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).
Liewellyn Corners, Pennsylvania, USA
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