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
During Cross Creek's transition into December, the average high-temperature lessens, moving from a chilly 48.9°F (9.4°C) in November to an icy 39.4°F (4.1°C). Cross Creek witnesses a consistent average low-temperature of 27.9°F (-2.3°C) throughout December.Humidity
The average relative humidity in December in Cross Creek is 84%.Rainfall
In Cross Creek, in December, during 12.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 183.5 rainfall days, and 34.37" (873mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Cross Creek, in December, during 13.2 snowfall days, 4.49" (114mm) of snow is typically accumulated. In Cross Creek, during the entire year, snow falls for 61.6 days and aggregates up to 23.9" (607mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:25 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:05 pm EST.
Sunshine
In Cross Creek, the average sunshine in December is 3.4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cross Creek have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Cross Creek have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cross Creek, PA
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Cross Creek, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Cross Creek, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Cross Creek, 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, July and August (77%).
Average rainfall in December
Cross Creek, PA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in December
Cross Creek, PA
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in December
Cross Creek, PA
- Average snowfall in December: 4.49"
The month with the highest snowfall is January (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cross Creek, PA
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cross Creek, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Cross Creek, PA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in December
Cross Creek, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cross Creek, 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 34).
Average visibility in December
Cross Creek, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Cross Creek, Pennsylvania, USA
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