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 decrease of average high-temperatures is mild in December, with a decline from a chilly 44.8°F (7.1°C) in November to an icy 34.7°F (1.5°C). In December, Pennellville's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 26.8°F (-2.9°C).Humidity
In December, the average relative humidity in Pennellville is 83%.Rainfall
In Pennellville, during December, the rain falls for 11.3 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Pennellville, during the entire year, the rain falls for 182.9 days and collects up to 38.98" (990mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Pennellville, New York, in December, snow falls for 15.5 days, with typically accumulated 7.76" (197mm) of snow. Throughout the year, in Pennellville, there are 78.6 snowfall days, and 36.42" (925mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December in Pennellville, New York, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
The months with the lowest UV index in Pennellville are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 in December translates into these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Pennellville in December?
What is the average humidity in December in Pennellville?
How many days does it rain in December in Pennellville?
How many days does it snow in December in Pennellville?
What is the month with the shortest days in Pennellville?
What is the average length of the day in December in Pennellville?
When is the sunrise / sunset in December in Pennellville?
How long on average sun shines in December in Pennellville?
What are the months with the lowest UV index in Pennellville?
What is the UV index intensity in December in Pennellville?
Average temperature in December
Pennellville, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Pennellville, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Pennellville, NY
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Pennellville, NY
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, September and November (78%).
Average rainfall in December
Pennellville, NY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Pennellville, NY
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Pennellville, NY
- Average snowfall in December: 7.76"
The month with the highest snowfall is February (8.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pennellville, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pennellville, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Pennellville, NY
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is February (4.4 days).
Average UV index in December
Pennellville, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Pennellville, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Pennellville, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Pennellville, New York, USA
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