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 corresponds with a decrease in average high-temperatures, from November's frosty 49.5°F (9.7°C) to a cold 39.9°F (4.4°C). During December nights, West Newton witnesses a consistent average temperature of 28.4°F (-2°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In West Newton, during December, the rain falls for 12.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. In West Newton, during the entire year, the rain falls for 174.1 days and collects up to 23.82" (605mm) of precipitation.Snowfall
Months with snowfall in West Newton, Pennsylvania, are January through April, October through December. In West Newton, in December, snow falls for 11.5 days, with typically accumulated 2.91" (74mm) of snow. Throughout the year, in West Newton, there are 54.8 snowfall days, and 13.58" (345mm) 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 in West Newton, Pennsylvania, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:03 pm EST.
Sunshine
In West Newton, the average sunshine in December is 3.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in West Newton. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in West Newton?
What is the average humidity in December in West Newton?
How many days does it rain in December in West Newton?
How much does it snow in West Newton in December?
What is the month with the shortest days in West Newton?
What is the average length of the day in December in West Newton?
When is the sunrise / sunset in December in West Newton?
How many hours of sunshine does West Newton have in December?
When is the lowest UV index in West Newton?
What is the UV index reading in December in West Newton?
Average temperature in December
West Newton, PA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
West Newton, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
West Newton, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
West Newton, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
West Newton, PA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
West Newton, PA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in December
West Newton, PA
- Average snowfall in December: 2.91"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
West Newton, PA
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Newton, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
West Newton, PA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in December
West Newton, 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
West Newton, 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
West Newton, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
West Newton, Pennsylvania, USA
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