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 chilly 46.6°F (8.1°C) in November to a wintry 37.2°F (2.9°C). Nighttime temperatures consistently average a freezing cold 26.6°F (-3°C) during December.Humidity
The average relative humidity in December is 83%.Rainfall
In Leslie Run, during December, the rain falls for 11.3 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 154.6 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Leslie Run, Pennsylvania, in December, during 7.7 snowfall days, 3.62" (92mm) of snow is typically accumulated. Throughout the year, there are 46.2 snowfall days, and 24.92" (633mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Leslie Run.On the first day of the month, sunrise is at 7:09 am and sunset at 4:35 pm. On the last day of December, in Leslie Run, sunrise is at 7:27 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index in Leslie Run, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Leslie Run in December?
What is the average humidity in December in Leslie Run?
How much does it rain in Leslie Run in December?
How much does it snow in Leslie Run in December?
What is the month with the shortest days in Leslie Run?
How many hours of daylight does Leslie Run have in December?
What time are sunrise and sunset in December in Leslie Run?
How long on average sun shines in December in Leslie Run?
When is the lowest UV index in Leslie Run?
What is the UV index reading in December in Leslie Run?
Average temperature in December
Leslie Run, PA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Leslie Run, 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
Leslie Run, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Leslie Run, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Leslie Run, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Leslie Run, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Leslie Run, PA
- Average snowfall in December: 3.62"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Leslie Run, PA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Leslie Run, 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 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Leslie Run, PA
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in December
Leslie Run, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Leslie Run, PA
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Leslie Run, 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).
Leslie Run, Pennsylvania, USA
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