December weather forecastRamsay Terrace, PA
December
Weather in December
December, the first month of the winter in Ramsay Terrace, is also a wintry month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 39.2°F (4°C).Temperature
Ramsay Terrace in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 48.9°F (9.4°C) to a cold 39.2°F (4°C). The average low-temperature during December nights is a subzero cold 27.7°F (-2.4°C).Humidity
In Ramsay Terrace, the average relative humidity in December is 84%.Rainfall
In December, the rain falls for 13.1 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 185.4 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.8 days. Throughout December, 6.1" (155mm) of snow is accumulated. In Ramsay Terrace, during the entire year, snow falls for 63.2 days and aggregates up to 29.02" (737mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:02 pm EST.
Sunshine
The average sunshine in December is 3.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ramsay Terrace. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ramsay Terrace, PA
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Ramsay Terrace, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Ramsay Terrace, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Ramsay Terrace, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Ramsay Terrace, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Ramsay Terrace, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Ramsay Terrace, PA
- Average snowfall in December: 6.1"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ramsay Terrace, PA
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ramsay Terrace, PA
- Average daylight in December: 9h and 24min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Ramsay Terrace, PA
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in December
Ramsay Terrace, 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
Ramsay Terrace, 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 35).
Average visibility in December
Ramsay Terrace, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
