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 beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 47.8°F (8.8°C) in November to a cold 38.5°F (3.6°C). Nightly temperatures in Jones Mills drop to an average low of 27.3°F (-2.6°C) in December.Humidity
The average relative humidity in December in Jones Mills is 85%.Rainfall
In December, the rain falls for 10.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. In Jones Mills, during the entire year, the rain falls for 179.1 days and collects up to 33.43" (849mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Jones Mills. In Jones Mills, in December, during 12.5 snowfall days, 6.57" (167mm) of snow is typically accumulated. Throughout the year, in Jones Mills, there are 63.4 snowfall days, and 34.17" (868mm) of snow is accumulated.Daylight
December has the shortest days of the year in Jones Mills, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:20 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:02 pm EST.
Sunshine
In December, the average sunshine in Jones Mills is 3.5h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
Is December cold in Jones Mills?
What is the average humidity in December in Jones Mills?
How many days does it rain in December in Jones Mills?
How much does it snow in Jones Mills in December?
What is the month with the shortest days in Jones Mills?
How many hours of daylight does Jones Mills have in December?
What time are sunrise and sunset in December in Jones Mills?
How many hours of sunshine does Jones Mills have in December?
What is the month with the lowest UV index in Jones Mills?
How high is the UV index in December in Jones Mills?
Average temperature in December
Jones Mills, PA
- Average high temperature in December: 38.5°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 (32.4°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Jones Mills, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Jones Mills, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Jones Mills, PA
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in December
Jones Mills, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Jones Mills, PA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Jones Mills, PA
- Average snowfall in December: 6.57"
The month with the highest snowfall is January (7.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jones Mills, PA
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jones Mills, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Jones Mills, PA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in December
Jones Mills, 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, October, November and December (UV index 2).
Average cloud cover in December
Jones Mills, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Jones Mills, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Jones Mills, Pennsylvania, USA
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