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 onset of December introduces a moderate change in Ashfield's weather, with average high-temperatures falling from November's chilly 47.7°F (8.7°C) to a wintry 38.3°F (3.5°C). Nighttime temperatures consistently average a subzero cold 27.3°F (-2.6°C) during December.Humidity
In December, the average relative humidity in Ashfield is 82%.Rainfall
In Ashfield, in December, it is raining for 13 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 171.8 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Ashfield, in December, during 7.1 snowfall days, 3.31" (84mm) of snow is typically accumulated. Throughout the year, there are 41.5 snowfall days, and 20.91" (531mm) 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 the month, sunrise is at 7:08 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:45 pm EST.
Sunshine
In Ashfield, the average sunshine in December is 4.4h.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Ashfield have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Ashfield have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ashfield, PA
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.3°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
Ashfield, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Ashfield, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Ashfield, 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
Ashfield, PA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Ashfield, PA
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Ashfield, PA
- Average snowfall in December: 3.31"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ashfield, PA
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ashfield, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Ashfield, PA
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Ashfield, PA
- Average UV index in December: 2
The month with the highest UV index is 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
Ashfield, PA
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Ashfield, 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).
Ashfield, Pennsylvania, USA
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