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 chilly 48°F (8.9°C) in November to an icy 38.8°F (3.8°C). During December, Seltzer experiences a consistent low-temperature average of 27.7°F (-2.4°C).Humidity
In December, the average relative humidity in Seltzer is 81%.Rainfall
In Seltzer, in December, it is raining for 13.5 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 172.9 rainfall days, and 34.21" (869mm) of precipitation is accumulated.Snowfall
Months with snowfall in Seltzer are January through May, October through December. In Seltzer, in December, snow falls for 6.9 days, with typically accumulated 2.8" (71mm) of snow. Throughout the year, there are 39.7 snowfall days, and 20.47" (520mm) of snow is accumulated.Daylight
The month with the shortest days in Seltzer is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:47 pm EST.
Sunshine
January, February and December, with an average of 4.4h of sunshine, are months with the least sunshine in Seltzer.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold does it get in Seltzer in December?
What is the average humidity in December in Seltzer?
How many days does it rain in December in Seltzer?
How many days does it snow in December in Seltzer?
What is the month with the shortest days in Seltzer?
What is the average length of the day in December in Seltzer?
When is the sunrise / sunset in December in Seltzer?
What are the months with the least sunshine in Seltzer?
How many hours of sunshine does Seltzer have in December?
What is the month with the lowest UV index in Seltzer?
How high is the UV index in December in Seltzer?
Average temperature in December
Seltzer, PA
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°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 (20.5°F).
Average pressure in December
Seltzer, PA
- Average pressure in December: 30.1"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
Seltzer, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Seltzer, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Seltzer, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Seltzer, PA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and November (10.8 days).
Average snowfall in December
Seltzer, PA
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Seltzer, PA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Seltzer, 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).
Average sunshine days in December
Seltzer, PA
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Seltzer, 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
Seltzer, PA
- Average cloud cover in December: 53
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Seltzer, 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).
Seltzer, Pennsylvania, USA
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