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 coincides with a drop in the average high-temperature, decreasing from November's frosty 44.6°F (7°C) to an icy 35.2°F (1.8°C). Mayfield records an average nighttime low-temperature of 24.6°F (-4.1°C) throughout December.Humidity
In December, the average relative humidity in Mayfield is 85%.Rainfall
In Mayfield, Pennsylvania, in December, during 9.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Mayfield, during the entire year, the rain falls for 148 days and collects up to 25.04" (636mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mayfield, in December, during 13.7 snowfall days, 5.08" (129mm) of snow is typically accumulated. Throughout the year, there are 68.4 snowfall days, and 25.98" (660mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:09 am and sunset at 4:33 pm. On the last day of December, in Mayfield, sunrise is at 7:28 am and sunset at 4:42 pm EST.
Sunshine
February and December, with an average of 3.2h of sunshine, are months with the least sunshine in Mayfield, Pennsylvania.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Mayfield?
What is the average humidity in December in Mayfield?
How many days does it rain in December in Mayfield?
How much does it snow in Mayfield in December?
What is the month with the shortest days in Mayfield?
How many hours of daylight does Mayfield have in December?
When is the sunrise / sunset in December in Mayfield?
What is the month with the least sunshine in Mayfield?
How long on average sun shines in December in Mayfield?
What is the month with the lowest UV index in Mayfield?
What is the UV index reading in December in Mayfield?
Average temperature in December
Mayfield, PA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Mayfield, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mayfield, PA
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Mayfield, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Mayfield, PA
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are May and August (2.48").
The driest months (with the least rainfall) are January and September (1.65").
Average rainfall days in December
Mayfield, PA
- Average rainfall days in December: 9.8 days
The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Mayfield, PA
- Average snowfall in December: 5.08"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mayfield, PA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mayfield, PA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Mayfield, PA
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (9.6 days).
Average UV index in December
Mayfield, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Mayfield, PA
- Average cloud cover in December: 68
The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Mayfield, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Mayfield, Pennsylvania, USA
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