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
The beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 49.1°F (9.5°C) in November to a wintry 39.4°F (4.1°C). During December, Avella's temperature averages to a subzero cold 27.9°F (-2.3°C) at night.Humidity
In December, the average relative humidity in Avella, Pennsylvania, is 83%.Rainfall
In December, the rain falls for 12.9 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 182.9 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Avella, in December, snow falls for 11.3 days, with typically accumulated 3.19" (81mm) of snow. Throughout the year, there are 53.3 snowfall days, and 18.39" (467mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:25 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:05 pm EST.
Sunshine
In Avella, the average sunshine in December is 3.5h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 1 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in Avella in December?
What is the month with the shortest days in Avella?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Avella have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Avella, PA
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Avella, 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
Avella, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Avella, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Avella, PA
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is April (3.5").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Avella, PA
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in December
Avella, PA
- Average snowfall in December: 3.19"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Avella, PA
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Avella, 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 24min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Avella, PA
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is January (8.5 days).
Average UV index in December
Avella, 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
Avella, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Avella, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Avella, Pennsylvania, USA
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