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
Stepping into December, North Belle Vernon observes a temperature decline, with the average high falling from November's frosty 49.6°F (9.8°C) to a wintry 40.1°F (4.5°C). Throughout December, the temperature tends to fall to a consistent average low of 28.8°F (-1.8°C).Humidity
The average relative humidity in December is 83%.Rainfall
In North Belle Vernon, during December, the rain falls for 14 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 191.3 rainfall days, and 35.24" (895mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In North Belle Vernon, in December, snow falls for 12.6 days, with typically accumulated 4.88" (124mm) of snow. Throughout the year, in North Belle Vernon, there are 60.2 snowfall days, and 25.08" (637mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in North Belle Vernon, sunrise is at 7:23 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:04 pm EST.
Sunshine
In December, the average sunshine is 3.6h.UV index
December is the month with the lowest UV index in North Belle Vernon, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold does it get in North Belle Vernon in December?
What is the average humidity in December in North Belle Vernon?
How much does it rain in North Belle Vernon in December?
How much does it snow in North Belle Vernon in December?
What is the month with the shortest days in North Belle Vernon?
What is the average length of the day in December in North Belle Vernon?
When are sunrise and sunset in December in North Belle Vernon?
How long on average sun shines in December in North Belle Vernon?
When is the lowest UV index in North Belle Vernon?
What is the UV index intensity in December in North Belle Vernon?
Average temperature in December
North Belle Vernon, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
North Belle Vernon, 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
North Belle Vernon, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
North Belle Vernon, PA
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
North Belle Vernon, PA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
North Belle Vernon, PA
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).
Average snowfall in December
North Belle Vernon, PA
- Average snowfall in December: 4.88"
The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
North Belle Vernon, PA
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
North Belle Vernon, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
North Belle Vernon, PA
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in December
North Belle Vernon, PA
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
North Belle Vernon, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
North Belle Vernon, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
North Belle Vernon, Pennsylvania, USA
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