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 indicates a decrease in the average high-temperature, moving from a chilly 49.5°F (9.7°C) in November to a cold 39.9°F (4.4°C). Bethelboro observes an average low-temperature of 28.4°F (-2°C) during December nights.Humidity
The average relative humidity in December is 84%.Rainfall
In Bethelboro, in December, it is raining for 9.5 days, with typically 2.17" (55mm) of accumulated precipitation. In Bethelboro, during the entire year, the rain falls for 168.2 days and collects up to 29.8" (757mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Bethelboro, Pennsylvania, in December, snow falls for 6.2 days, with typically accumulated 3.07" (78mm) of snow. In Bethelboro, Pennsylvania, during the entire year, snow falls for 35.9 days and aggregates up to 16.02" (407mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:03 pm EST.
Sunshine
In December, the average sunshine is 3.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Bethelboro have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Bethelboro, PA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Bethelboro, 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
Bethelboro, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Bethelboro, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, June, July, August, September and November (78%).
Average rainfall in December
Bethelboro, PA
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in December
Bethelboro, PA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Bethelboro, PA
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bethelboro, PA
- Average snowfall days in December: 6.2 days
The months with the highest number of snowfall days are January and February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bethelboro, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Bethelboro, PA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in December
Bethelboro, PA
- Average UV index in December: 2
The month with the highest UV index is July (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
Bethelboro, PA
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Bethelboro, 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).
Bethelboro, Pennsylvania, USA
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