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
A subtle decrease in the average high-temperature marks December, falling from November's chilly 46.2°F (7.9°C) to a wintry 36.5°F (2.5°C). The temperature lowers to an average of 25.9°F (-3.4°C) during December nights.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 84%.Rainfall
In West Wyoming, during December, the rain falls for 11 days and regularly aggregates up to 1.73" (44mm) of precipitation. In West Wyoming, during the entire year, the rain falls for 162.1 days and collects up to 24.53" (623mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In West Wyoming, in December, during 9.6 snowfall days, 3.46" (88mm) of snow is typically accumulated. Throughout the year, there are 49.4 snowfall days, and 19.92" (506mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:10 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:44 pm EST.
Sunshine
In West Wyoming, Pennsylvania, the average sunshine in December is 3.8h.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 ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How much does it snow 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 West Wyoming have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
West Wyoming, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 25.9°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 (18.7°F).
Average pressure in December
West Wyoming, 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
West Wyoming, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
West Wyoming, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
West Wyoming, PA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
West Wyoming, PA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
West Wyoming, PA
- Average snowfall in December: 3.46"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Wyoming, PA
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Wyoming, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in December
West Wyoming, PA
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
West Wyoming, 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
West Wyoming, PA
- Average cloud cover in December: 61
The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
West Wyoming, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
West Wyoming, Pennsylvania, USA
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