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
Welcoming December, Lewisburg observes a shift in the average high-temperature, falling from November's frosty 48°F (8.9°C) to an icy 38.7°F (3.7°C). An average low-temperature of 28°F (-2.2°C) is recorded during the nights in December in Lewisburg.Humidity
In Lewisburg, the average relative humidity in December is 81%.Rainfall
The months with the least rainfall are November and December Rain falls for 9.4 days and accumulates 1.18" (30mm) of rain.Snowfall
Months with snowfall are January through April, November and December. In Lewisburg, Pennsylvania, in December, snow falls for 7 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, there are 36.6 snowfall days, and 9.76" (248mm) of snow is accumulated.Daylight
December has the shortest days of the year in Lewisburg, Pennsylvania, with an average of 9h and 18min of daylight.On the first day of December in Lewisburg, Pennsylvania, sunrise is at 7:13 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:49 pm EST.
Sunshine
In December, the average sunshine in Lewisburg is 4.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is December in Lewisburg?
What is the average humidity in December in Lewisburg?
What is the driest month in Lewisburg?
How much does it rain in Lewisburg in December?
How much does it snow in Lewisburg in December?
What is the month with the shortest days in Lewisburg?
What is the average length of the day in December in Lewisburg?
When are sunrise and sunset in December in Lewisburg?
How many hours of sunshine does Lewisburg have in December?
What is the month with the lowest UV index in Lewisburg?
What is the UV index intensity in December in Lewisburg?
Average temperature in December
Lewisburg, PA
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 28°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 (20.1°F).
Average pressure in December
Lewisburg, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Lewisburg, PA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Lewisburg, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Lewisburg, PA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are November and December (1.18").
Average rainfall days in December
Lewisburg, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Lewisburg, PA
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lewisburg, PA
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (11 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
Lewisburg, 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Lewisburg, PA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Lewisburg, PA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Lewisburg, PA
- Average cloud cover in December: 56
The months with the most cloud cover are February and December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Lewisburg, PA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Lewisburg, Pennsylvania, USA
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