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 Northwood Heights, the average high-temperature in December decreases from a frosty 49.8°F (9.9°C) in November to a cold 40.1°F (4.5°C). Northwood Heights's nights in December cool down to an average low-temperature of 28.9°F (-1.7°C).Humidity
February, October and December, with an average relative humidity of 81%, are the most humid months in Northwood Heights.Rainfall
In December, the rain falls for 10.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated. In Northwood Heights, during the entire year, the rain falls for 156.5 days and collects up to 31.97" (812mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Northwood Heights, in December, snow falls for 4.4 days, with typically accumulated 2.2" (56mm) of snow. In Northwood Heights, during the entire year, snow falls for 23.7 days and aggregates up to 13.39" (340mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.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, in Northwood Heights, sunrise is at 7:24 am and sunset at 4:43 pm EST.
Sunshine
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. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Northwood Heights in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in Northwood Heights in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Northwood Heights have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Northwood Heights have in December?
When is the lowest UV index?
What is the UV index intensity in December?
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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