December weather forecastCammal, PA
December
Weather in December
The first month of the winter, December, is also a wintry month in Cammal, Pennsylvania, with an average temperature ranging between max 35.2°F (1.8°C) and min 25°F (-3.9°C).Temperature
The move into December indicates a reduction in the average high-temperature, down from November's chilly 44.6°F (7°C) to a wintry 35.2°F (1.8°C). The nighttime temperature in Cammal, during December, averages of 25°F (-3.9°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Cammal, in December, during 11.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Cammal, during the entire year, the rain falls for 168.8 days and collects up to 32.56" (827mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 14.4 days. Throughout December, 6.3" (160mm) of snow is accumulated. In Cammal, during the entire year, snow falls for 71.6 days and aggregates up to 35.47" (901mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:50 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 3h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cammal, PA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Cammal, 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
Cammal, PA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Cammal, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Cammal, PA
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
Cammal, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Cammal, PA
- Average snowfall in December: 6.3"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cammal, PA
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cammal, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days in December
Cammal, PA
- Average sunshine days in December: 10 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in December
Cammal, 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
Cammal, PA
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Cammal, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July and November (5mi).
The months with the lowest visibility are January, February, August, September, October and December (4mi).





