December weather forecastCranberry, PA
December
Weather in December
December, the first month of the winter in Cranberry, is also an icy month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 36.1°F (2.3°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a frosty 45.5°F (7.5°C) in November to an icy 36.1°F (2.3°C). Cranberry throughout December, experiences an average nighttime temperature of 25.9°F (-3.4°C).Humidity
In December, the average relative humidity in Cranberry is 87%.Rainfall
In Cranberry, in December, it is raining for 10.9 days, with typically 2.83" (72mm) of accumulated precipitation. In Cranberry, during the entire year, the rain falls for 177.7 days and collects up to 35.67" (906mm) of precipitation.Snowfall
Months with snowfall in Cranberry are January through May, October through December. In December, it is snowing for 17.6 days. Throughout December, 8.62" (219mm) of snow is accumulated. Throughout the year, in Cranberry, Pennsylvania, there are 86.5 snowfall days, and 43.07" (1094mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:25 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:59 pm EST.
Sunshine
The average sunshine in December is 2.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cranberry, PA
- Average high temperature in December: 36.1°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 (30°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Cranberry, 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
Cranberry, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Cranberry, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Cranberry, PA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in December
Cranberry, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Cranberry, PA
- Average snowfall in December: 8.62"
The month with the highest snowfall is January (10.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cranberry, PA
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cranberry, PA
- Average daylight in December: 9h and 12min
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: 2h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Cranberry, PA
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in December
Cranberry, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cranberry, PA
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Cranberry, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
