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
Shamokin Dam in December demonstrates a small temperature transition, adjusting from an average high of a chilly 48.2°F (9°C) in November to a cold 38.8°F (3.8°C). Throughout December, Shamokin Dam records an average temperature of 28°F (-2.2°C) at night.Humidity
In December, the average relative humidity is 81%.Rainfall
In Shamokin Dam, during December, the rain falls for 9.4 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Shamokin Dam, during the entire year, the rain falls for 133.4 days and collects up to 13.15" (334mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, it is snowing for 6.1 days. Throughout December, 0.59" (15mm) of snow is accumulated. In Shamokin Dam, during the entire year, snow falls for 32.1 days and aggregates up to 4.76" (121mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December is 4.4h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Shamokin Dam in December?
How many days does it snow in December in Shamokin Dam?
What is the month with the shortest days?
How many hours of daylight does Shamokin Dam have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Shamokin Dam have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Shamokin Dam, PA
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Shamokin Dam, 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
Shamokin Dam, PA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Shamokin Dam, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Shamokin Dam, PA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Shamokin Dam, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Shamokin Dam, PA
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Shamokin Dam, PA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shamokin Dam, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
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 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in December
Shamokin Dam, PA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in December
Shamokin Dam, 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
Shamokin Dam, PA
- Average cloud cover in December: 54
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Shamokin Dam, PA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Shamokin Dam, Pennsylvania, USA
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