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
Mount Braddock's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 49.3°F (9.6°C) to a wintry 39.7°F (4.3°C). During December nights, Mount Braddock records an average temperature of 27.9°F (-2.3°C).Humidity
In Mount Braddock, Pennsylvania, the average relative humidity in December is 84%.Rainfall
In Mount Braddock, in December, during 9.4 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Mount Braddock, during the entire year, the rain falls for 150.7 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.5 days. Throughout December, 3.74" (95mm) of snow is accumulated. Throughout the year, there are 58.2 snowfall days, and 17.44" (443mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:21 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:03 pm EST.
Sunshine
In Mount Braddock, Pennsylvania, the average sunshine in December is 3.5h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mount Braddock have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Mount Braddock, PA
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Mount Braddock, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Mount Braddock, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Mount Braddock, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Mount Braddock, PA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").
Average rainfall days in December
Mount Braddock, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Mount Braddock, PA
- Average snowfall in December: 3.74"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Braddock, PA
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Braddock, 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: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Mount Braddock, PA
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).
Average UV index in December
Mount Braddock, PA
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Mount Braddock, 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 37).
Average visibility in December
Mount Braddock, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).
Mount Braddock, Pennsylvania, USA
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