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
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 47.5°F (8.6°C) in November to an icy 38.1°F (3.4°C). An average low-temperature of 27.5°F (-2.5°C) is recorded during the nights in December in Pattersonville.Humidity
In December, the average relative humidity is 82%.Rainfall
In Pattersonville, Pennsylvania, during December, the rain falls for 11.9 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Pattersonville, during the entire year, the rain falls for 159.6 days and collects up to 29.41" (747mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Pattersonville, in December, snow falls for 8.7 days, with typically accumulated 3.54" (90mm) of snow. In Pattersonville, during the entire year, snow falls for 48.2 days and aggregates up to 24.84" (631mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:47 pm EST.
Sunshine
In Pattersonville, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index are January through March, November and 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 rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is December cold in Pattersonville?
What is the average humidity in December in Pattersonville?
How much does it rain in Pattersonville in December?
How many days does it snow in December in Pattersonville?
What is the month with the shortest days in Pattersonville?
What is the average length of the day in December in Pattersonville?
When are sunrise and sunset in December in Pattersonville?
How long on average sun shines in December in Pattersonville?
What is the month with the lowest UV index in Pattersonville?
What is the UV index reading in December in Pattersonville?
Average temperature in December
Pattersonville, PA
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Pattersonville, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Pattersonville, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Pattersonville, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Pattersonville, PA
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Pattersonville, PA
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Pattersonville, PA
- Average snowfall in December: 3.54"
The month with the highest snowfall is January (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pattersonville, PA
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pattersonville, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Pattersonville, PA
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Pattersonville, PA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Pattersonville, PA
- Average cloud cover in December: 55
The months with the most cloud cover are February and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Pattersonville, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Pattersonville, Pennsylvania, USA
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