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
As December commences, the average high-temperature shows a reduction, transitioning from a frosty 44.4°F (6.9°C) in November to a cold 35.1°F (1.7°C). In the month of December, Ridgway records a consistent average low-temperature of 25°F (-3.9°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Ridgway, during December, the rain falls for 11.7 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 176.3 rainfall days, and 35" (889mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Ridgway, during December, snow falls for 18.3 days and regularly aggregates up to 9.61" (244mm) of snow. Throughout the year, there are 88 snowfall days, and 44.69" (1135mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine is 2.5h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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 many days does it rain in December?
How much does it snow in Ridgway in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Ridgway have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ridgway, PA
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Ridgway, 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
Ridgway, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Ridgway, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May, June, July and August (79%).
Average rainfall in December
Ridgway, PA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is August (2.2").
Average rainfall days in December
Ridgway, PA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Ridgway, PA
- Average snowfall in December: 9.61"
The month with the highest snowfall is January (10.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ridgway, PA
- Average snowfall days in December: 18.3 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ridgway, 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 3min
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 24min).
Average sunshine days in December
Ridgway, PA
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is September (13.1 days).
The month with the least sunshine days is February (5.4 days).
Average UV index in December
Ridgway, 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 February and December (UV index 1).
Average cloud cover in December
Ridgway, PA
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in December
Ridgway, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
Ridgway, Pennsylvania, USA
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