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
In Oley Line, the average high-temperature in December slightly decreases from a cool 50.2°F (10.1°C) in November to an icy 41.4°F (5.2°C). December witnesses an average nighttime temperature of 30°F (-1.1°C) in Oley Line.Humidity
In December, the average relative humidity in Oley Line is 80%.Rainfall
In Oley Line, during December, the rain falls for 8.4 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Oley Line, during the entire year, the rain falls for 129 days and collects up to 13.5" (343mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Oley Line, during December, snow falls for 3.2 days and regularly aggregates up to 0.39" (10mm) of snow. In Oley Line, Pennsylvania, during the entire year, snow falls for 19.4 days and aggregates up to 4.45" (113mm) of snow.Daylight
December has the shortest days of the year in Oley Line, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:47 pm EST.
Sunshine
In Oley Line, the average sunshine in December is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Oley Line. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Oley Line during December?
What is the average humidity in December in Oley Line?
How many days does it rain in December in Oley Line?
How many days does it snow in December in Oley Line?
What is the month with the shortest days in Oley Line?
What is the average length of the day in December in Oley Line?
When is the sunrise / sunset in December in Oley Line?
How many hours of sunshine does Oley Line have in December?
What is the month with the lowest UV index in Oley Line?
What is the UV index intensity in December in Oley Line?
Average temperature in December
Oley Line, PA
- Average high temperature in December: 41.4°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 (35.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Oley Line, 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 (29.94"Hg).
Average wind speed in December
Oley Line, PA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Oley Line, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Oley Line, PA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Oley Line, PA
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Oley Line, PA
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Oley Line, PA
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Oley Line, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Oley Line, PA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Oley Line, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and 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
Oley Line, PA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Oley Line, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Oley Line, Pennsylvania, USA
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