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
In Cumiskey, entering December brings a temperature decrement, reducing from November's chilly 45.1°F (7.3°C) to an icy 35.2°F (1.8°C). Cumiskey's nights in December experience an average temperature drop to a freezing cold 25.7°F (-3.5°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Cumiskey, during December, the rain falls for 12 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 169.1 rainfall days, and 28.74" (730mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Cumiskey, in December, snow falls for 13 days, with typically accumulated 4.53" (115mm) of snow. In Cumiskey, during the entire year, snow falls for 68.3 days and aggregates up to 26.65" (677mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Cumiskey, Pennsylvania. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Cumiskey?
What is the average humidity in December in Cumiskey?
How much does it rain in Cumiskey in December?
How much does it snow in Cumiskey in December?
What is the month with the shortest days in Cumiskey?
How many hours of daylight does Cumiskey have in December?
When are sunrise and sunset in December in Cumiskey?
How long on average sun shines in December in Cumiskey?
What are the months with the lowest UV index in Cumiskey?
How high is the UV index in December in Cumiskey?
Average temperature in December
Cumiskey, PA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Cumiskey, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Cumiskey, PA
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Cumiskey, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Cumiskey, PA
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in December
Cumiskey, PA
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Cumiskey, PA
- Average snowfall in December: 4.53"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cumiskey, PA
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cumiskey, PA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Cumiskey, PA
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Cumiskey, PA
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
Cumiskey, PA
- Average cloud cover in December: 67
The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Cumiskey, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Cumiskey, Pennsylvania, USA
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