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 arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 49.8°F (9.9°C) to an icy 40.1°F (4.5°C). An average low-temperature of 29.1°F (-1.6°C) is observed during December nights in New Salem.Humidity
In New Salem, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 9.1 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In New Salem, during the entire year, the rain falls for 143.4 days and collects up to 13.19" (335mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In New Salem, in December, during 11.4 snowfall days, 2.44" (62mm) of snow is typically accumulated. Throughout the year, there are 56 snowfall days, and 11.54" (293mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of December, in New Salem, Pennsylvania, sunrise is at 7:40 am and sunset at 5:04 pm EST.
Sunshine
In December, the average sunshine is 3.8h.UV index
The month with the lowest UV index in New Salem is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. When the Sun is at its strongest around midday, find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
Is it cold in New Salem during December?
What is the average humidity in December in New Salem?
How much does it rain in New Salem in December?
How many days does it snow in December in New Salem?
What is the month with the shortest days in New Salem?
What is the average length of the day in December in New Salem?
When is the sunrise / sunset in December in New Salem?
How many hours of sunshine does New Salem have in December?
When is the lowest UV index in New Salem?
What is the UV index intensity in December in New Salem?
Average temperature in December
New Salem, PA
- Average high temperature in December: 40.1°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 (34.3°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
New Salem, 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
New Salem, PA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
New Salem, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
New Salem, PA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
New Salem, PA
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
New Salem, PA
- Average snowfall in December: 2.44"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Salem, PA
- Average snowfall days in December: 11.4 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
New Salem, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
New Salem, PA
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is January (9.1 days).
Average UV index in December
New Salem, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
New Salem, PA
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
New Salem, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
New Salem, Pennsylvania, USA
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