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 beginning of December involves a decrease in the average high-temperature, transitioning from a chilly 47.3°F (8.5°C) in November to a cold 37.9°F (3.3°C). December nights in Upper Brownville cool down to an average low-temperature of 27.5°F (-2.5°C).Humidity
In Upper Brownville, the average relative humidity in December is 82%.Rainfall
In Upper Brownville, in December, it is raining for 12.6 days, with typically 2.87" (73mm) of accumulated precipitation. In Upper Brownville, during the entire year, the rain falls for 171 days and collects up to 34.25" (870mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Upper Brownville. In Upper Brownville, Pennsylvania, in December, during 8.6 snowfall days, 3.9" (99mm) of snow is typically accumulated. In Upper Brownville, during the entire year, snow falls for 48.5 days and aggregates up to 27.72" (704mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Upper Brownville.On the first day of the month, sunrise is at 7:10 am and sunset at 4:37 pm. On the last day of December, in Upper Brownville, Pennsylvania, sunrise is at 7:29 am and sunset at 4:47 pm EST.
Sunshine
In December, the average sunshine in Upper Brownville is 4.4h.UV index
The months with the lowest UV index in Upper Brownville are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is December in Upper Brownville?
What is the average humidity in December in Upper Brownville?
How many days does it rain in December in Upper Brownville?
How many days does it snow in December in Upper Brownville?
What is the month with the shortest days in Upper Brownville?
What is the average length of the day in December in Upper Brownville?
When is the sunrise / sunset in December in Upper Brownville?
How many hours of sunshine does Upper Brownville have in December?
What is the month with the lowest UV index in Upper Brownville?
What is the UV index intensity in December in Upper Brownville?
Average temperature in December
Upper Brownville, PA
- Average high temperature in December: 37.9°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 (31.8°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Upper Brownville, 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
Upper Brownville, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Upper Brownville, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Upper Brownville, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Upper Brownville, PA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Upper Brownville, PA
- Average snowfall in December: 3.9"
The month with the highest snowfall is January (7.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Upper Brownville, PA
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Upper Brownville, PA
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in December
Upper Brownville, PA
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Upper Brownville, PA
- Average UV index in December: 2
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, February, March, November and December (UV index 2).
Average cloud cover in December
Upper Brownville, PA
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Upper Brownville, 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).
Upper Brownville, Pennsylvania, USA
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