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
A shift in the average high-temperature occurs in December, reducing from a frosty 48.6°F (9.2°C) in November to an icy 38.5°F (3.6°C). During December, Patterson Heights records a consistent average nighttime temperature of 27.5°F (-2.5°C).Humidity
The average relative humidity in December in Patterson Heights, Pennsylvania, is 85%.Rainfall
In December, in Patterson Heights, the rain falls for 11.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Patterson Heights, there are 168.7 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Patterson Heights, in December, snow falls for 12 days, with typically accumulated 2.44" (62mm) of snow. Throughout the year, in Patterson Heights, Pennsylvania, there are 60.6 snowfall days, and 11.93" (303mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Patterson Heights, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in December in Patterson Heights is 3.3h.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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
Is it cold in Patterson Heights during December?
What is the average humidity in December in Patterson Heights?
How much does it rain in Patterson Heights in December?
How many days does it snow in December in Patterson Heights?
What is the month with the shortest days in Patterson Heights?
What is the average length of the day in December in Patterson Heights?
When are sunrise and sunset in December in Patterson Heights?
How many hours of sunshine does Patterson Heights have in December?
What is the month with the lowest UV index in Patterson Heights?
What is the UV index intensity in December in Patterson Heights?
Average temperature in December
Patterson Heights, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Patterson Heights, 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
Patterson Heights, PA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Patterson Heights, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Patterson Heights, PA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Patterson Heights, PA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (10 days).
Average snowfall in December
Patterson Heights, PA
- Average snowfall in December: 2.44"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Patterson Heights, PA
- Average snowfall days in December: 12 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
Patterson Heights, 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 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Patterson Heights, PA
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Patterson Heights, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Patterson Heights, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Patterson Heights, 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).
Patterson Heights, Pennsylvania, USA
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