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
Upper Whyel's transition into December involves a shift in temperature, receding from a frosty 49.5°F (9.7°C) in November to an icy 39.9°F (4.4°C). During December, Upper Whyel records an average temperature of 28.4°F (-2°C) at night.Humidity
In Upper Whyel, the average relative humidity in December is 84%.Rainfall
In Upper Whyel, during December, the rain falls for 12.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Upper Whyel, during the entire year, the rain falls for 174.1 days and collects up to 23.82" (605mm) of precipitation.Snowfall
Months with snowfall in Upper Whyel are January through April, October through December. In December, it is snowing for 11.5 days. Throughout December, 2.91" (74mm) of snow is accumulated. In Upper Whyel, during the entire year, snow falls for 54.8 days and aggregates up to 13.58" (345mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Upper Whyel, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:02 pm EST.
Sunshine
In Upper Whyel, the average sunshine in December is 3.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold does it get in Upper Whyel in December?
What is the average humidity in December in Upper Whyel?
How many days does it rain in December in Upper Whyel?
How much does it snow in Upper Whyel in December?
What is the month with the shortest days in Upper Whyel?
What is the average length of the day in December in Upper Whyel?
What time are sunrise and sunset in December in Upper Whyel?
How long on average sun shines in December in Upper Whyel?
When is the lowest UV index in Upper Whyel?
What is the UV index reading in December in Upper Whyel?
Average temperature in December
Upper Whyel, PA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Upper Whyel, PA
- Average pressure in December: 30.11"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
Upper Whyel, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Upper Whyel, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Upper Whyel, PA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Upper Whyel, PA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in December
Upper Whyel, PA
- Average snowfall in December: 2.91"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Upper Whyel, PA
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Upper Whyel, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Upper Whyel, PA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in December
Upper Whyel, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Upper Whyel, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Upper Whyel, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Upper Whyel, Pennsylvania, USA
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