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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a fresh 50.4°F (10.2°C) in November to a cold 41.5°F (5.3°C). An average nighttime temperature of 30°F (-1.1°C) is witnessed in Brownstown throughout December.Humidity
The average relative humidity in December in Brownstown is 79%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Brownstown, Pennsylvania, there are 161.8 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Brownstown, during December, snow falls for 3.8 days and regularly aggregates up to 1.57" (40mm) of snow. Throughout the year, in Brownstown, there are 24.1 snowfall days, and 11.93" (303mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Brownstown.On the first day of the month, sunrise is at 7:08 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:49 pm EST.
Sunshine
In December, the average sunshine in Brownstown, Pennsylvania, 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 Brownstown, Pennsylvania. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is December in Brownstown?
What is the average humidity in December in Brownstown?
How many days does it rain in December in Brownstown?
How much does it snow in Brownstown in December?
What is the month with the shortest days in Brownstown?
How many hours of daylight does Brownstown have in December?
When are sunrise and sunset in December in Brownstown?
How many hours of sunshine does Brownstown have in December?
What are the months with the lowest UV index in Brownstown?
How high is the UV index in December in Brownstown?
Average temperature in December
Brownstown, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Brownstown, 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
Brownstown, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Brownstown, PA
- Average humidity in December: 79%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Brownstown, PA
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in December
Brownstown, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Brownstown, PA
- Average snowfall in December: 1.57"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brownstown, PA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brownstown, 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
Brownstown, PA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (17.8 days).
The months with the least sunshine days are May and July (11.6 days).
Average UV index in December
Brownstown, PA
- Average UV index in December: 2
The months with the highest UV index are 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
Brownstown, PA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Brownstown, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Brownstown, Pennsylvania, USA
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