December weather forecastSours Mills, PA
December
Weather in December
The first month of the winter, December, is still a cold month in Sours Mills, Pennsylvania, with an average temperature ranging between min 28°F (-2.2°C) and max 39°F (3.9°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's chilly 48.6°F (9.2°C) to a wintry 39°F (3.9°C). During the month of December, Sours Mills experiences a steady low-temperature average of 28°F (-2.2°C).Humidity
In December, the average relative humidity in Sours Mills is 81%.Rainfall
In December, in Sours Mills, the rain falls for 13.1 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 167 rainfall days, and 33.5" (851mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Sours Mills, in December, during 6.1 snowfall days, 3.19" (81mm) of snow is typically accumulated. In Sours Mills, during the entire year, snow falls for 33.8 days and aggregates up to 17.91" (455mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Sours Mills.On the first day of the month, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine in Sours Mills is 4.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Sours Mills. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sours Mills, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Sours Mills, 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
Sours Mills, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Sours Mills, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Sours Mills, PA
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Sours Mills, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Sours Mills, PA
- Average snowfall in December: 3.19"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sours Mills, PA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sours Mills, PA
- Average daylight in December: 9h and 18min
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 42min
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 30min).
Average sunshine days in December
Sours Mills, PA
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Sours Mills, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Sours Mills, PA
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Sours Mills, 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).
