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
Wyomissing's transition into December involves a shift in temperature, receding from a cool 50.2°F (10.1°C) in November to a cold 40.6°F (4.8°C). During December, Wyomissing records an average temperature of 29.7°F (-1.3°C) at night.Humidity
In Wyomissing, Pennsylvania, the average relative humidity in December is 80%.Rainfall
In Wyomissing, during December, the rain falls for 10.4 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Wyomissing, during the entire year, the rain falls for 155.7 days and collects up to 30.83" (783mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Wyomissing, Pennsylvania, in December, during 3.7 snowfall days, 1.5" (38mm) of snow is typically accumulated. In Wyomissing, during the entire year, snow falls for 21.1 days and aggregates up to 12.28" (312mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:08 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:47 pm EST.
Sunshine
In Wyomissing, the average sunshine in December is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Wyomissing in December?
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?
How many hours of daylight does Wyomissing have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Wyomissing have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Wyomissing, PA
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Wyomissing, 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 (29.94"Hg).
Average wind speed in December
Wyomissing, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Wyomissing, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Wyomissing, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (2.05").
Average rainfall days in December
Wyomissing, PA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Wyomissing, PA
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wyomissing, PA
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wyomissing, 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: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Wyomissing, PA
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Wyomissing, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Wyomissing, PA
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Wyomissing, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Wyomissing, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location