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 onset of December coincides with a reduction in the average high-temperature, falling from a cool 50.9°F (10.5°C) in November to an icy 41.9°F (5.5°C). During the nights in December, the temperature averages to a subzero cold 30.6°F (-0.8°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Byers, in December, it is raining for 8.6 days, with typically 2.05" (52mm) of accumulated precipitation. In Byers, during the entire year, the rain falls for 145.6 days and collects up to 26.81" (681mm) of precipitation.Snowfall
Months with snowfall in Byers are January through May, October through December. In Byers, during December, snow falls for 2 days and regularly aggregates up to 1.54" (39mm) of snow. In Byers, during the entire year, snow falls for 17.2 days and aggregates up to 10.47" (266mm) of snow.Daylight
December has the shortest days of the year in Byers, Pennsylvania, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:47 pm EST.
Sunshine
In December, the average sunshine in Byers is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Byers, Pennsylvania. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
Is December cold in Byers?
What is the average humidity in December in Byers?
How many days does it rain in December in Byers?
How much does it snow in Byers in December?
What is the month with the shortest days in Byers?
What is the average length of the day in December in Byers?
When is the sunrise / sunset in December in Byers?
How many hours of sunshine does Byers have in December?
When is the lowest UV index in Byers?
How high is the UV index in December in Byers?
Average temperature in December
Byers, PA
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Byers, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Byers, PA
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Byers, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Byers, PA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in December
Byers, PA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Byers, PA
- Average snowfall in December: 1.54"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Byers, PA
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Byers, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Byers, PA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Byers, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Byers, PA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Byers, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Byers, Pennsylvania, USA
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