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 onset of December, Aliquippa's average high-temperature adjusts, receding from November's chilly 48.6°F (9.2°C) to a cold 38.5°F (3.6°C). Aliquippa's average low-temperature is measured at a subzero cold 27.7°F (-2.4°C) during December.Humidity
The average relative humidity in December is 84%.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 171.3 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Aliquippa, during December, snow falls for 12 days and regularly aggregates up to 2.05" (52mm) of snow. In Aliquippa, during the entire year, snow falls for 56.4 days and aggregates up to 12.36" (314mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Aliquippa?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Aliquippa have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Aliquippa, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Aliquippa, 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 (29.94"Hg).
Average wind speed in December
Aliquippa, PA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Aliquippa, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Aliquippa, PA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Aliquippa, PA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Aliquippa, PA
- Average snowfall in December: 2.05"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Aliquippa, PA
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Aliquippa, 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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Aliquippa, PA
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in December
Aliquippa, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Aliquippa, PA
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Aliquippa, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Aliquippa, Pennsylvania, USA
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