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
December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 49.8°F (9.9°C) to a cold 40.1°F (4.5°C). Throughout December, Northwood Heights encounters an average temperature drop to a subzero cold 28.9°F (-1.7°C).Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 81%.Rainfall
In Northwood Heights, during December, the rain falls for 10.1 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Northwood Heights, Pennsylvania, there are 156.5 rainfall days, and 31.97" (812mm) of precipitation is accumulated.Snowfall
Months with snowfall in Northwood Heights are January through May, October through December. In Northwood Heights, in December, snow falls for 4.4 days, with typically accumulated 2.2" (56mm) of snow. Throughout the year, in Northwood Heights, there are 23.7 snowfall days, and 13.39" (340mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Northwood Heights, Pennsylvania.On the first day of the month, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine 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 Northwood Heights, Pennsylvania. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold does it get in Northwood Heights in December?
What are the most humid months in Northwood Heights?
What is the average humidity in December in Northwood Heights?
How much does it rain in Northwood Heights in December?
How many days does it snow in December in Northwood Heights?
What is the month with the shortest days in Northwood Heights?
What is the average length of the day in December in Northwood Heights?
When is the sunrise / sunset in December in Northwood Heights?
How long on average sun shines in December in Northwood Heights?
When is the lowest UV index in Northwood Heights?
What is the UV index reading in December in Northwood Heights?
Average temperature in December
Northwood Heights, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Northwood Heights, 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
Northwood Heights, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Northwood Heights, PA
- Average humidity in December: 81%
The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Northwood Heights, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Northwood Heights, PA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Northwood Heights, PA
- Average snowfall in December: 2.2"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Northwood Heights, PA
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Northwood 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Northwood Heights, PA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Northwood Heights, PA
- Average UV index in December: 2
The months with the highest UV index are 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
Northwood Heights, PA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Northwood Heights, PA
- Average visibility in December: 5mi
The months with the highest visibility are March, April and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October and December (5mi).
Northwood Heights, Pennsylvania, USA
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