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
During the transition into December, Lewis Corner observes a decrease in the average high-temperature, falling from a frosty 43.3°F (6.3°C) in November to an icy 33.4°F (0.8°C). During December, Lewis Corner's temperature falls to a steady low-temperature average of 23.7°F (-4.6°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Lewis Corner, in December, it is raining for 10.4 days, with typically 2.8" (71mm) of accumulated precipitation. In Lewis Corner, during the entire year, the rain falls for 168.4 days and collects up to 31.57" (802mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lewis Corner. In December, in Lewis Corner, it is snowing for 19.6 days. Throughout December, 9.96" (253mm) of snow is accumulated. In Lewis Corner, during the entire year, snow falls for 98.2 days and aggregates up to 52.05" (1322mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine is 2.7h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lewis Corner. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Lewis Corner?
What is the average humidity in December in Lewis Corner?
How much does it rain in Lewis Corner in December?
How many days does it snow in December in Lewis Corner?
What is the month with the shortest days in Lewis Corner?
What is the average length of the day in December in Lewis Corner?
When is the sunrise / sunset in December in Lewis Corner?
How many hours of sunshine does Lewis Corner have in December?
What are the months with the lowest UV index in Lewis Corner?
How high is the UV index in December in Lewis Corner?
Average temperature in December
Lewis Corner, PA
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in December: 23.7°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Lewis Corner, 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
Lewis Corner, PA
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Lewis Corner, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Lewis Corner, PA
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is August (2.09").
Average rainfall days in December
Lewis Corner, PA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Lewis Corner, PA
- Average snowfall in December: 9.96"
The month with the highest snowfall is February (12.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lewis Corner, PA
- Average snowfall days in December: 19.6 days
The month with the highest number of snowfall days is January (21.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lewis Corner, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Lewis Corner, PA
- Average sunshine days in December: 5.9 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (4.7 days).
Average UV index in December
Lewis Corner, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Lewis Corner, PA
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Lewis Corner, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
Lewis Corner, Pennsylvania, USA
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