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
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a fresh 50°F (10°C) in November to a cold 40.6°F (4.8°C). Van Voorhis experiences a steady low-temperature of 29.3°F (-1.5°C) throughout December.Humidity
The average relative humidity in December is 83%.Rainfall
In December, the rain falls for 13 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 187.8 rainfall days, and 36.46" (926mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Van Voorhis, Pennsylvania, during December, snow falls for 13.1 days and regularly aggregates up to 6.14" (156mm) of snow. Throughout the year, there are 63.1 snowfall days, and 32.32" (821mm) of snow is accumulated.Daylight
December has the shortest days of the year in Van Voorhis, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:04 pm EST.
Sunshine
In Van Voorhis, the average sunshine in December is 3.8h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Van Voorhis, PA
- Average high temperature in December: 40.6°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 (34.5°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Van Voorhis, PA
- Average pressure in December: 30.12"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
Van Voorhis, PA
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Van Voorhis, PA
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Van Voorhis, PA
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Van Voorhis, PA
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in December
Van Voorhis, PA
- Average snowfall in December: 6.14"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Van Voorhis, PA
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Van Voorhis, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Van Voorhis, PA
- Average sunshine days in December: 10 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).
Average UV index in December
Van Voorhis, 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
Van Voorhis, PA
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Van Voorhis, PA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Van Voorhis, Pennsylvania, USA
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