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
Hyner, Pennsylvania, in December undergoes a mild reduction in the average high-temperature, shifting from November's frosty 45°F (7.2°C) to a wintry 35.1°F (1.7°C). Throughout the month of December, Hyner observes an average nighttime temperature of 25.2°F (-3.8°C).Humidity
February and December, with an average relative humidity of 86%, are the most humid months in Hyner.Rainfall
In Hyner, in December, during 13.1 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 179.8 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hyner. In December, in Hyner, it is snowing for 13.7 days. Throughout December, 5.35" (136mm) of snow is accumulated. Throughout the year, there are 65.4 snowfall days, and 28.15" (715mm) of snow is accumulated.Daylight
December has the shortest days of the year in Hyner, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:51 pm EST.
Sunshine
January and December, with an average of 3.2h of sunshine, are months with the least sunshine in Hyner.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 during December leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is December in Hyner?
What is the most humid month in Hyner?
What is the average humidity in December in Hyner?
How much does it rain in Hyner in December?
How much does it snow in Hyner in December?
What is the month with the shortest days in Hyner?
How many hours of daylight does Hyner have in December?
When are sunrise and sunset in December in Hyner?
What are the months with the least sunshine in Hyner?
How long on average sun shines in December in Hyner?
When is the lowest UV index in Hyner?
How high is the UV index in December in Hyner?
Average temperature in December
Hyner, PA
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Hyner, 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
Hyner, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Hyner, PA
- Average humidity in December: 86%
The months with the highest relative humidity are February and December (86%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Hyner, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in December
Hyner, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in December
Hyner, PA
- Average snowfall in December: 5.35"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hyner, PA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hyner, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Hyner, PA
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in December
Hyner, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Hyner, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Hyner, 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).
Hyner, Pennsylvania, USA
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