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
Irvona's average high-temperature decreases in December, falling from a chilly 46.2°F (7.9°C) in November to a cold 36.5°F (2.5°C). During December, Irvona experiences an average low-temperature of 26.6°F (-3°C) at night.Humidity
In December, the average relative humidity is 85%.Rainfall
In Irvona, in December, it is raining for 10.6 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 173.2 rainfall days, and 32.44" (824mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Irvona, Pennsylvania, during December, snow falls for 12.7 days and regularly aggregates up to 5.98" (152mm) of snow. In Irvona, during the entire year, snow falls for 65 days and aggregates up to 32.28" (820mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine is 3.4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Irvona. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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 many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Irvona, PA
- Average high temperature in December: 36.5°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 (30.4°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Irvona, 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 (29.95"Hg).
Average wind speed in December
Irvona, PA
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Irvona, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in December
Irvona, PA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Irvona, PA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Irvona, PA
- Average snowfall in December: 5.98"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Irvona, PA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Irvona, 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Irvona, PA
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Irvona, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Irvona, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Irvona, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Irvona, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location