December weather forecastNewry, PA
December
Weather in December
December, the first month of the winter in Newry, is still a cold month, with an average temperature fluctuating between 37.4°F (3°C) and 26.8°F (-2.9°C).Temperature
The decrease of average high-temperatures is mild in December, with a decline from a frosty 47.3°F (8.5°C) in November to a wintry 37.4°F (3°C). Newry, during December, witnesses an average low-temperature of 26.8°F (-2.9°C).Humidity
In Newry, the average relative humidity in December is 83%.Rainfall
In Newry, in December, it is raining for 11.9 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 161.9 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 8.6 days. Throughout December, 2.48" (63mm) of snow is accumulated. In Newry, during the entire year, snow falls for 50.3 days and aggregates up to 17.01" (432mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:57 pm EST.
Sunshine
The average sunshine in December is 3.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Newry, PA
- Average high temperature in December: 37.4°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 (31.5°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Newry, 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
Newry, PA
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Newry, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Newry, PA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is November (1.46").
Average rainfall days in December
Newry, PA
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Newry, PA
- Average snowfall in December: 2.48"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Newry, PA
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Newry, PA
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 3h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Newry, PA
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Newry, 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
Newry, PA
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Newry, 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).
