December weather forecastEynon, PA
December
Weather in December
December, the first month of the winter in Eynon, is still a cold month, with an average temperature varying between 25°F (-3.9°C) and 35.6°F (2°C).Temperature
With December's onset, the weather shows a temperature decrease, transitioning from a chilly 45.5°F (7.5°C) in November to a wintry 35.6°F (2°C). Throughout the nights in December, Eynon experiences an average low-temperature of 25°F (-3.9°C).Humidity
February and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Eynon, in December, during 10.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Eynon, Pennsylvania, during the entire year, the rain falls for 149.5 days and collects up to 25.94" (659mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Eynon, in December, snow falls for 12.4 days, with typically accumulated 4.61" (117mm) of snow. In Eynon, during the entire year, snow falls for 63.2 days and aggregates up to 24.84" (631mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:42 pm EST.
Sunshine
In Eynon, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during 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. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Eynon, PA
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Eynon, PA
- Average pressure in December: 30.08"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
Eynon, PA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Eynon, PA
- Average humidity in December: 85%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Eynon, PA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (2.56").
The driest months (with the least rainfall) are January and September (1.73").
Average rainfall days in December
Eynon, PA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Eynon, PA
- Average snowfall in December: 4.61"
The month with the highest snowfall is January (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Eynon, PA
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Eynon, PA
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Eynon, PA
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10 days).
Average UV index in December
Eynon, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Eynon, PA
- Average cloud cover in December: 66
The months with the most cloud cover are February and December (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Eynon, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
