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
The arrival of December corresponds with a temperature reduction, down from November's chilly 45.9°F (7.7°C) to an icy 36.3°F (2.4°C). In Sandy Ridge, the nighttime temperature averages to a subzero cold 25.9°F (-3.4°C) during December.Humidity
The average relative humidity in December is 84%.Rainfall
In Sandy Ridge, in December, during 11.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 159 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Sandy Ridge, it is snowing for 13.8 days. Throughout December, 4.13" (105mm) of snow is accumulated. Throughout the year, there are 67.7 snowfall days, and 23.54" (598mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Sandy Ridge.On the first day of the month, sunrise is at 7:18 am and sunset at 4:45 pm. On the last day of December, in Sandy Ridge, sunrise is at 7:37 am and sunset at 4:55 pm EST.
Sunshine
The average sunshine in December in Sandy Ridge, Pennsylvania, is 3.5h.UV index
The month with the lowest UV index in Sandy Ridge is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Stay sun-safe with clothing that is both closely woven and worn loosely. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Sandy Ridge in December?
What is the average humidity in December in Sandy Ridge?
How much does it rain in Sandy Ridge in December?
How many days does it snow in December in Sandy Ridge?
What is the month with the shortest days in Sandy Ridge?
How many hours of daylight does Sandy Ridge have in December?
When is the sunrise / sunset in December in Sandy Ridge?
How many hours of sunshine does Sandy Ridge have in December?
What is the month with the lowest UV index in Sandy Ridge?
What is the UV index reading in December in Sandy Ridge?
Average temperature in December
Sandy Ridge, PA
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Sandy Ridge, PA
- Average pressure in December: 30.1"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
Sandy Ridge, 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 (5mph).
Average humidity in December
Sandy Ridge, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Sandy Ridge, PA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Sandy Ridge, PA
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Sandy Ridge, PA
- Average snowfall in December: 4.13"
The month with the highest snowfall is January (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sandy Ridge, PA
- Average snowfall days in December: 13.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sandy Ridge, PA
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Sandy Ridge, PA
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Sandy Ridge, 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
Sandy Ridge, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Sandy Ridge, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Sandy Ridge, Pennsylvania, USA
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