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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a fresh 50°F (10°C) in November to a wintry 40.1°F (4.5°C). In Leithsville, the average low-temperature during the month of December is a freezing cold 28.8°F (-1.8°C).Humidity
The average relative humidity in December is 80%.Rainfall
In Leithsville, in December, it is raining for 10.7 days, with typically 2.24" (57mm) of accumulated precipitation. In Leithsville, Pennsylvania, during the entire year, the rain falls for 153 days and collects up to 26.81" (681mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Leithsville, in December, during 4.8 snowfall days, 2.48" (63mm) of snow is typically accumulated. Throughout the year, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:06 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine in Leithsville, Pennsylvania, is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Leithsville. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Leithsville?
What is the average humidity in December in Leithsville?
How many days does it rain in December in Leithsville?
How much does it snow in Leithsville in December?
What is the month with the shortest days in Leithsville?
What is the average length of the day in December in Leithsville?
What time are sunrise and sunset in December in Leithsville?
How many hours of sunshine does Leithsville have in December?
When is the lowest UV index in Leithsville?
How high is the UV index in December in Leithsville?
Average temperature in December
Leithsville, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Leithsville, 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
Leithsville, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Leithsville, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Leithsville, PA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Leithsville, PA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Leithsville, PA
- Average snowfall in December: 2.48"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Leithsville, PA
- Average snowfall days in December: 4.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Leithsville, 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 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Leithsville, PA
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Leithsville, 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, March, November and December (UV index 2).
Average cloud cover in December
Leithsville, 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 34).
Average visibility in December
Leithsville, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Leithsville, Pennsylvania, USA
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