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
Norvelt's progression into December includes a drop in the average high-temperature, from a chilly 48.9°F (9.4°C) in November to a wintry 39.2°F (4°C). Norvelt's temperature lowers to a mean of 27.7°F (-2.4°C) during the nights in December.Humidity
In Norvelt, Pennsylvania, the average relative humidity in December is 84%.Rainfall
In Norvelt, in December, during 13.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 185.4 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Norvelt. In December, it is snowing for 12.8 days. Throughout December, 6.1" (155mm) of snow is accumulated. Throughout the year, in Norvelt, there are 63.2 snowfall days, and 29.02" (737mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Norvelt, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:02 pm EST.
Sunshine
In December, the average sunshine in Norvelt is 3.6h.UV index
The months with the lowest UV index in Norvelt are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Norvelt in December?
What is the average humidity in December in Norvelt?
How much does it rain in Norvelt in December?
How much does it snow in Norvelt in December?
What is the month with the shortest days in Norvelt?
What is the average length of the day in December in Norvelt?
What time are sunrise and sunset in December in Norvelt?
How many hours of sunshine does Norvelt have in December?
What is the month with the lowest UV index in Norvelt?
What is the UV index reading in December in Norvelt?
Average temperature in December
Norvelt, PA
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.7°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 (20.3°F).
Average pressure in December
Norvelt, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Norvelt, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Norvelt, 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 (77%).
Average rainfall in December
Norvelt, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Norvelt, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Norvelt, PA
- Average snowfall in December: 6.1"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Norvelt, PA
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Norvelt, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Norvelt, PA
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in December
Norvelt, PA
- Average UV index in December: 2
The month with the highest UV index is 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
Norvelt, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Norvelt, 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).
Norvelt, Pennsylvania, USA
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