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
In December, the average high-temperature decreases from a chilly 48°F (8.9°C) in November to an icy 38.7°F (3.7°C). Throughout the month of December, Winfield witnesses an average temperature of 28°F (-2.2°C).Humidity
In December, the average relative humidity in Winfield, Pennsylvania, is 81%.Rainfall
November and December are months with the least rain in Winfield when the rain falls for 9.4 days and typically aggregates up to 1.18" (30mm) of rain.Snowfall
Months with snowfall are January through April, November and December. In December, in Winfield, Pennsylvania, it is snowing for 7 days. Throughout December, 1.14" (29mm) of snow is accumulated. Throughout the year, in Winfield, there are 36.6 snowfall days, and 9.76" (248mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:49 pm EST.
Sunshine
In December, the average sunshine is 4.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is December in Winfield?
What is the average humidity in December in Winfield?
What is the driest month in Winfield?
How many days does it rain in December in Winfield?
How many days does it snow in December in Winfield?
What is the month with the shortest days in Winfield?
What is the average length of the day in December in Winfield?
When is the sunrise / sunset in December in Winfield?
How many hours of sunshine does Winfield have in December?
What are the months with the lowest UV index in Winfield?
What is the UV index intensity in December in Winfield?
Average temperature in December
Winfield, PA
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 28°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 (20.1°F).
Average pressure in December
Winfield, PA
- Average pressure in December: 30.1"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
Winfield, PA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Winfield, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Winfield, PA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are November and December (1.18").
Average rainfall days in December
Winfield, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Winfield, PA
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Winfield, PA
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Winfield, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Winfield, PA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Winfield, 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
Winfield, PA
- Average cloud cover in December: 56
The months with the most cloud cover are February and December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Winfield, PA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Winfield, Pennsylvania, USA
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