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
December's onset brings a reduction in the average high-temperature, from a frosty 46.2°F (7.9°C) in November to an icy 36.5°F (2.5°C). In the month of December, the average low-temperature usually rests at a freezing cold 26.6°F (-3°C).Humidity
In Irvona, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. Throughout the year, in Irvona, 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 December, it is snowing for 12.7 days. Throughout December, 5.98" (152mm) of snow is accumulated. In Irvona, during the entire year, snow falls for 65 days and aggregates up to 32.28" (820mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.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, in Irvona, sunrise is at 7:38 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine in Irvona is 3.4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. 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 Irvona?
What is the average humidity in December in Irvona?
How much does it rain in Irvona in December?
How many days does it snow in December in Irvona?
What is the month with the shortest days in Irvona?
How many hours of daylight does Irvona have in December?
When is the sunrise / sunset in December in Irvona?
How many hours of sunshine does Irvona have in December?
When is the lowest UV index in Irvona?
What is the UV index reading in December in Irvona?
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
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