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 corresponds with a shift in temperature, down from a chilly 45.1°F (7.3°C) in November to a cold 35.8°F (2.1°C). Throughout the nights in December, Marienville experiences an average low-temperature of 25.3°F (-3.7°C).Humidity
In Marienville, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. In Marienville, during the entire year, the rain falls for 171.3 days and collects up to 35.08" (891mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Marienville, during December, snow falls for 15.1 days and regularly aggregates up to 7.87" (200mm) of snow. In Marienville, during the entire year, snow falls for 74.7 days and aggregates up to 35.79" (909mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine is 2.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Marienville have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Marienville have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Marienville, PA
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Marienville, 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
Marienville, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Marienville, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May, June, July and August (79%).
Average rainfall in December
Marienville, PA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is April (4.02").
The driest month (with the least rainfall) is November (2.32").
Average rainfall days in December
Marienville, PA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Marienville, PA
- Average snowfall in December: 7.87"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Marienville, PA
- Average snowfall days in December: 15.1 days
The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marienville, PA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 2h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Marienville, PA
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is November (12.4 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Marienville, PA
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
Marienville, PA
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Marienville, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Marienville, Pennsylvania, USA
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