December weather forecastMarlboroville, PA
December
Weather in December
The first month of the winter, December, is still a cold month in Marlboroville, Pennsylvania, with an average temperature ranging between min 30°F (-1.1°C) and max 41.5°F (5.3°C).Temperature
Marlboroville's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 50.4°F (10.2°C) to a cold 41.5°F (5.3°C). Marlboroville's nighttime temperature in December drops to an average of 30°F (-1.1°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Marlboroville, during December, the rain falls for 10.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 155.5 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Marlboroville, in December, snow falls for 4.1 days, with typically accumulated 2.01" (51mm) of snow. Throughout the year, there are 27 snowfall days, and 12.52" (318mm) of snow is accumulated.Daylight
The month with the shortest days in Marlboroville is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December 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. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marlboroville, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Marlboroville, PA
- Average pressure in December: 30.09"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
Marlboroville, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Marlboroville, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Marlboroville, PA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Marlboroville, PA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Marlboroville, PA
- Average snowfall in December: 2.01"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Marlboroville, PA
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marlboroville, PA
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Marlboroville, PA
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).
Average UV index in December
Marlboroville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and 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
Marlboroville, PA
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Marlboroville, PA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, May, September, October and December (5mi).





