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 ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 47.8°F (8.8°C) to an icy 38.3°F (3.5°C). In the month of December, an average of 27°F (-2.8°C) marks the low-temperature in Black Lick, Pennsylvania.Humidity
In Black Lick, the average relative humidity in December is 85%.Rainfall
In Black Lick, in December, during 12.5 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, in Black Lick, there are 183.4 rainfall days, and 33.5" (851mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Black Lick, it is snowing for 13.5 days. Throughout December, 6.22" (158mm) of snow is accumulated. In Black Lick, during the entire year, snow falls for 64.7 days and aggregates up to 29.06" (738mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:00 pm EST.
Sunshine
In December, the average sunshine is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Black Lick. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is it in Black Lick in December?
What is the average humidity in December in Black Lick?
How much does it rain in Black Lick in December?
How much does it snow in Black Lick in December?
What is the month with the shortest days in Black Lick?
How many hours of daylight does Black Lick have in December?
When are sunrise and sunset in December in Black Lick?
How long on average sun shines in December in Black Lick?
What is the month with the lowest UV index in Black Lick?
What is the UV index intensity in December in Black Lick?
Average temperature in December
Black Lick, PA
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Black Lick, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Black Lick, PA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Black Lick, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Black Lick, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Black Lick, PA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in December
Black Lick, PA
- Average snowfall in December: 6.22"
The month with the highest snowfall is January (7.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Black Lick, PA
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Black Lick, 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Black Lick, PA
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is January (6.1 days).
Average UV index in December
Black Lick, 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
Black Lick, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Black Lick, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Black Lick, Pennsylvania, USA
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