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
Alum Bank's December weather comes with a decrease in average high-temperatures, moving from a frosty 46.8°F (8.2°C) in November to an icy 37.2°F (2.9°C). Throughout December, Alum Bank witnesses a consistent average low-temperature of 26.8°F (-2.9°C).Humidity
In Alum Bank, the average relative humidity in December is 83%.Rainfall
In Alum Bank, Pennsylvania, in December, it is raining for 9.7 days, with typically 2.52" (64mm) of accumulated precipitation. In Alum Bank, Pennsylvania, during the entire year, the rain falls for 162.4 days and collects up to 30" (762mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Alum Bank. In Alum Bank, in December, snow falls for 8.6 days, with typically accumulated 3.7" (94mm) of snow. In Alum Bank, during the entire year, snow falls for 47.1 days and aggregates up to 24.8" (630mm) of snow.Daylight
December has the shortest days of the year in Alum Bank, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:49 pm. On the last day of December, in Alum Bank, sunrise is at 7:36 am and sunset at 4:58 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Alum Bank. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold is December in Alum Bank?
What is the average humidity in December in Alum Bank?
How many days does it rain in December in Alum Bank?
How much does it snow in Alum Bank in December?
What is the month with the shortest days in Alum Bank?
How many hours of daylight does Alum Bank have in December?
When is the sunrise / sunset in December in Alum Bank?
How long on average sun shines in December in Alum Bank?
When is the lowest UV index in Alum Bank?
How high is the UV index in December in Alum Bank?
Average temperature in December
Alum Bank, PA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.8°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°F).
Average pressure in December
Alum Bank, 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
Alum Bank, PA
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Alum Bank, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Alum Bank, PA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in December
Alum Bank, PA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Alum Bank, PA
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Alum Bank, PA
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alum Bank, 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 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Alum Bank, PA
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Alum Bank, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Alum Bank, PA
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Alum Bank, 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).
Alum Bank, Pennsylvania, USA
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